Two 5dBi omnidirectional antennas (200-meter range) Indoor and outdoor . Yes, you don't want to have any antenna obstruction, especially metal and especially right next . It is a long helium antenna for miners. Your email address will not be published. This situation is called the isotropic antenna. With the 4dBi antenna, theoretically a distance of about 300 meters can be covered. Shouldn't an antenna with a higher gain provide a stronger signal in the designed direction? Availability: In Stock. Actual Product may be different. Also have 500Mbps and would like to push that out as far as I can around my property as I can. We are ready to help, just tell us about your projectand partner with our antenna testing service. As an example, assume a transmit power of 20 dBm, a receiver sensitivity of -100 dBm, receive antenna gain of 6 dBi, transmit antenna gain of 6 dBi, and a fade margin of 12 dB. Vertical. Antennas do the same thing. Add the gain (dBi) from your antenna and subtract the losses from any connections to figure out your Effective Isotropic Radiated Power (EIRP). Imagine an antenna that radiates energy equally in all directions, much like a candle. For example, replacing a standard 2 dBi antenna with a 6 dBi omnidirectional antenna effectively adds 4 dB to the signal strength throughout the coverage area. The overall radiation pattern is . A 100 ft length of cable may only lose 1 watt; however, when you add another 100ft to it, the loss will increase (theoretically) by 3 dB for every 100 ft increment. 3.75 out of 5 stars. If you operate Antenna 1 and Antenna 2 at 100 watts from a one-half mile away, Antenna 1 will consume 800 watts and produce 810 watts of RF power in the direction you're transmitting. The older 11g standard only uses the 2.4GHz frequency, the majority of the world is on it. Antenna Gain vs Distance: What Is Back-Lobe Radiation? The main idea is that if there's a length of cable, some amount of power will be lost. Operating frequency Gain drops by 2/3 from 6.12 dBi at 40 feet down to 2.13 dBi when sloping (Signal points up at 25 away from vertical). New comments cannot be posted and votes cannot be cast. two candles) in some directions (but not all directions). There are not only two solutions as presented. This rarely happens in the city, so distance is not as significant as ability to aim towards signal and away from interference. Asking for help, clarification, or responding to other answers. No gain can be expressed in linear terms like x1 (times 1). https://www.pasternack.com/t-calculator-fspl.aspx, that 2.2 dBi gain gives you about a 22 m additional range (same pathloss at 78 m for a 0 dBi antenna as 100 m for a 2.2 dBi antenna). As for TP-Links claim on achieving 56km, it is almost impossible unless you have a clear line of sight. The stock antenna shipped with the original Helium Hotspot was a 3 dBi Antenna gain. Antenna Gain vs Distance: How Is Radiation Pattern Affected By Efficiency? The Yagi antenna is an incredibly useful tool for directional communications. For example, if an antenna has a rating of 18 dBi at 2 GHz and it has experienced a 5% loss in the field, then its operating range would be around 17.15 dBi. Let's see. A lot of other devices are also on the 2.4 GHz frequencies, the biggest offenders are microwaves and cordless phones. You will also be able to read this rating on the packaging or in the manual of certain devices. So the antenna's power gain is important. Antennas being tested. 27dBm + 6dBi = 33dBm in the direction of antenna gain. WeGuard TV Antenna - HDTV Antenna Support 4K 1080P, 130 Miles Range Digital Antenna for HDTV, VHF UHF Channels Antenna with Amplifier Signal Booster - 18 Ft Premium Coaxial Cable 7.4 Score View Product Last update on 2022-05-10 / Affiliate links / Images from Amazon Product Advertising API Previous Post Next Post Frank Rich This antenna has a gain of 0 dBi since it's the reference point. THis gain typically 2~3dBi accounts for the loss in other directions. By accessing geckoandfly.com and navigating without modifying your parameters, you accept the use of cookies or similar technologies. 6 dBi (2400-2483 MHz) 8 dBi (5150-5925 MHz) Polarization. Antenna gain may be a factor in this formula, but it rarely determines how well a wireless link will perform. To accomplish this, you place a 12" diameter parabolic reflector in front of the antenna. Well, the higher the dbi, the wider the coverage. It is preferred since it can express both very small and very large values in short form as compared to the BW, whose smallest unit is 1000 mW one watt. Calculator normalises all distances to kilometers and meters Miles to Kilometers = 1.609 Kilometers to miles = 0.621 feet to meters = .3048 meters to feet = 3.28 1st Fresnel Zone radius (Km) = 17.3 x Sqr root ( (Obstacle Distance x (Total Link - Obstacle Distance)) / (Frequency in GHz x Total Link)) Specifications : Color : Gray Shape : Cylindrical Gain :16-20 dbi Ambient temperature : -40~80 Frequency : 2.4GHz VSWR : less than 1.5 : 1 Impedance : 50 Power : 50W Connector :RP-SMA (male) (No pin inside) Antenna Length :38 cm(15.2inch) Microstrip line impedance different types of antennas, check this article out. Wifi signals are made of radio waves that have a shorter wavelength than AM radio and cell phones but longer than satellite tv. This has an impact on Helium because it operates in the 800-930mhz range. Helium Miner 8 dbi Antenna LoRa 915 MHz 43.3 Inch Tall Outdoor w/Raigen 400 Low Loss Cable Omni-Directional HNT Hotspot for MNTD, Nebra, RAK, Bobcat, Syncrob, and Sensecap Signalplus Lora Antenna 915mhz 5.8dBi Outdoor Omni Helium Bobcat Miner Antenna 915MHz 824MHz-960MHz GSM Marine Antenna 15.7inch+3Meters RG58 Cable-for Boat Car ATV UTV RZR SPA Which of the two general classes of antennas is most often used with radar? We measure that power in milliwatts which is typically abbreviated as mW. S/Gain = Antenna gain in dBi (decibels-by-10), which is expressed as: S/Gain= 10 log F/D Where: F = 1.25 Frequency in MHz D = Effective diameter of the antenna, in meters (meters) The Solution: In other words, if you have an antenna that is 10 feet wide and it has an efficiency rating of 20 dBi, then its gain will be: Find wholesale antenna 20 dbi kits at Alibaba.com. dB refers to the decibel, which is the unit of measurement of sound though it is also a relative measure of the power between two levels. Now you decide that you would like to use a pair of binoculars to see further. I tried another Diamond dual band too.The CP22E blew them both out of the water. RP SMA Antenna 2dBi - LM251. If we made any mistakes, email us, we apologize in advance. If you are designing wireless links (or antennas) for any of the IEEE 802.11 standards such as B, G, or N, then be sure to keep in mind that you will get a longer operating range if your antennas have less gain. Cookie Notice This came from Microcontrollershop. Having antenna gain will not improve your signal-to-noise ratio or the quality of any other link parameters (unless you are using a directional antenna). Beam Antenna F/B (dB): 23.0 dB . When you are in line-of-sight (LOS) environments this peak gain is probably all that matters, as long as the antenna is in fact correctly pointed at the other antenna. It gives an antenna a 2.14 dB boost: Antenna gain in dBi = antenna gain in dBd + 2.14 Effective Radiated Power (ERP) It should also allow for flexibility such as the ability to switch out antennas or use an omnidirectional antenna. 2.2 dBi IS the directivity, isn't it? The sensitivity of a good ISM band receiver ranges from -75 dBm to -90 dBm. The above image mentions all the steps needed to determine antenna coverage range based on following inputs: Do German ministers decide themselves how to vote in EU decisions or do they have to follow a government line? The engineers at M2 Antennas used computer design techniques, and verified with NEC programs and range testing, that their 20M4DX beams . Please remember, no new energy is created, it is simply redirected or given directivity. Thus a mirror can redirect half of the energy from a candle, and make it look twice as bright (i.e. The operating range for any wireless link will be inversely proportional to its signal-to-noise ratio (SNR). : 420 dBm: 1 10 39 W: Cygnus A, one of the most powerful radio sources in the sky : 296 dBm: 3.846 10 26 W: Total power output of the Sun Hold the antenna above the triangle. As you might guess, the further away you are from an antenna, the weaker your signal will be; however, there may be other variables that also affect your signal. This is never achievable in reality, as it is always a gradual change in gain (notably, when you look at beam patterns they typically draw the 3 dB line, a heatmap would show a gradual change). But a 40-15 combo works well for me. Generally, the far-field distance or Fraunhofer distance, , is considered to be = , where is the widest diameter of the antenna in any direction, and is the wavelength of the radio wave. Omni Antenna is widely used in most routers. The CP22E is a very impressive antenna and 5 dBi in a nine foot 2m antenna is a design win. Interference and noise in the environment, or from other pilots VTX power drops when it gets hot Antenna orientation (how TX antenna and RX antenna are aligned) At 45 degree = -3dB At 90 degree = -20dB Two linear antennas pointing at each other = -30dB Antenna Polarization Linear to Circular = -3dB RHCP to LHCP = -20dB Techwalla may earn compensation through affiliate links in this story. So high up just switched from 5.8 to 3dbi. Mobile Antenna It solves that by radiating energy more directionally than an idea antenna that radiates evenly in all directions (0 dBI). Note that lambda is equivalent to c/frequency where in c is equal to 3 x 10^8 in FSL formula. If you are using antennas with SWR, then there will be less power captured by your received antennas when compared to their resistive equivalents. Let's see. 2 dB (Max) Elevation Plane 3 dB Beamwidth. dBi refers to decibels measured against an isotropic reference antenna. Satellite Dish Antenna Diversify your stock with a Satcom antenna and other communication antenna devices from international suppliers. Was Galileo expecting to see so many stars? My name is Jeremy and I have been an avid car nut for many year. There are several sources of transmission-line loss that can affect an antenna's performance, including (but not limited to) the following: Coaxial cable at each end Connectors Plugs and other hardware Attenuators Twisted pair cable at each end Connectors Filters. Antenna Transmit Power (Pt) Want to boost the signal outside in front and back. Hi any one can suggest best wi fi extender wireless device to extend coverage area in a bungalow. Three decoupling radials of 20.25 inches in length. Antenna Suppliers, RF Wireless World 2012, RF & Wireless Vendors and Resources, Free HTML5 Templates. Based on 1 salaries posted anonymously by Ericsson-Worldwide Antenna Engineer employees in Munich, Bavaria. An isotropic antenna is said to have no gain. dBis tend to vary with the most common indoor. 9.7 dBi . This is reality not someone trying to extend their signal 1km+ and have it completely usable. Share SPECIFICATIONS Distance is generally referred to as transmission line loss or the attenuation of RF signals over a given amount of cable. Video of the Day Step 2 hello everyone i want to use alpha awus036h + grid 15dbi to get internet from long distance is it possible that i have fast internet and download speed from example 7 klm ? Based on my own limited understanding, the higher the dBi, the weaker the signal. The best solution is to upgrade the antenna and use a range extender, alternatively, you can optimize your router via this simple 6 tips on getting 5x better Wifi signal and speed, a simple hack such as aluminum foil and changing the position of the router will greatly boost the overall coverage. Google serves cookies to analyze traffic to this site and for serving personalized ads, visit this link to opt out. 4. Enter the Total link distance (in Miles or Kilometers), if you do not enter an Obstacle distance (in Miles or Kilometers) the calculator will use the mid-point for all calculations (Note: assumes antennas at same height). $99.99. Antennas with a gain mismatch can actually produce a wider angular spread of signals in one direction, thereby increasing diversity at the receiver and reducing fading effects. Dealing with hard questions during a software developer interview, Retrieve the current price of a ERC20 token from uniswap v2 router using web3js. In these NLOS environments the efficiency of the antenna (total radiated power) often matters a lot more than the directivity (dBi). 0 to 20 meter Dipole 5dBi (2.4GHz, Standard) X. For direct ideal "interference-free" point to point in clear line of site, 5 dB improvement means you can nearly double your distance. There is certainly some correlation between distance and gain; however, there are other factors that also play a role in determining an antenna's signal strength at any particular location. This type of antenna can have a gain because you cut out the above and below. You will need a coaxial cable, typically LMR195 or LMR400 to connect the outdoor antenna to your wireless access point. Search for Ubiquiti Networks products, they have some really power dish that can transmit really far. and our VentralScarab 2 yr. ago Short: Antenna Coverage Some of the content is copyrighted to Geckoandfly.com and may not be reproduced on other websites. Your 7 dBi antenna would give another 75 m, up to 175 m for the same pathloss. Both are rated at 24 dBi (dB of efficiency). With a mirror, one half of the room would be dark (behind the mirror). However, I have this 7 dBi antenna on it's way. Please slide to verify. Range-marker generators produce pulses based on what radar constant? . 2.4GHz 12dBi High Gain Single Polarization Directional Antenna ANT-2412D1 Supports 802.11b/g/n 2.4GHz wireless. Features:- Covers the entire 698-960 MHz / 1710-2700 MHz Frequency ranges with 12 dBi gain. Gain for 2-Element Antenna in dB: 7 Lit LEDs at 20 watts for dipole and 5 watts for Yagi dB = 10 x Log (20/5) = 6.0 dB (= 1 S meter unit) Gain for 3-Element Yagi in dB: 15 Lit LEDs at 40 watts for dipole and 5 watts for Yagi Also, at some distance the bluetooth protocol will probably actually start to fail, as the latency from speed of light (about 1 us roundtrip at 175 m) can break things (though I'm much more familiar with WiFi). Yes Isotropic means true "omni-directional. You can think of antennas similar to your vision. Do share them on Facebook, Twitter, LinkedIn, YouTube, Pinterest and Instagram. The 2.4GHz frequency is way more crowded than 5GHz, devices on 2.4GHz suffer much more interference than the ones on 5GHz. With 2.4 GHz frequency, you can get a wireless range of up to 350-meters (1148-feet). For these reasons, signal boosting of a Wi-Fi network is sometimes necessary, normally accomplished by adding repeater devices that amplify and relay signals at intermediate points between network connections. The other half of the room would be TWICE as bright, because you can see the real candle PLUS its reflection. We use dBm when we are measuring power emitted from amplifiers. Most wireless routers contain a built-in radio antenna that broadcasts its Wi-Fi signal in all directions. Therefore, you should always take into account the operating range and link budget when estimating your signal quality. How much does the physical size and shape of a RF antenna affect its range/penetration? Huawei, Netgear and Buffalo are equally good too. However, a Yagi antenna cannot overcome differences in antenna gain and distance that result from the fundamental laws of electromagnetism. Back-lobe radiation occurs when an antenna's main beam is blocked by another object or a portion of the antenna itself. Has Microsoft lowered its Windows 11 eligibility criteria? The formula above will tell you how far away from the antenna your signal is being received with a given amount of power at any particular frequency. Know that on a low-speed device, 24 dBi is 26.2km, 14 dBi is 19km, 12 dBi is 17.3km, 10 dBi is 15.8km and 7 dBi is 14.1km. How does the range of bluetooth increases by adding an antenna? But the radar and military frequency is also 5GHz, so 5GHz wireless may also have some interference, and many countries require that wireless devices working on 5GHz should support DFS(Dynamic Frequency Selection) and TPC(Transmitting Power Control). On the other hand, very high dBms can result in the amplification of interference and background noise, which will result in a poor quality signal. The second difference is the number of devices on the frequencies. Largely this would still be consider an omni-directional antenna because it still has a 360* view, but it wont be able to receive from directly above or below the antenna very well. There are several things you can do to make your wifi faster without paying more, and they mostly have to do with the placement of your wifi router. In general, by applying the formula provided below, you will determine that the gain of your antenna is reduced by approximately 3.7 dB when this happens. Antenna Gain vs Distance: What Does Overload Mean? What is the difference between 7 dBi and 10 dBi WiFi router antenna for 5.8 GHz? That was why the ancestors told you not to put a 15 meter dipole on the same coax with them. . For example, assume you have two antennas - Antenna 1 and Antenna 2. 2006 - 2023 GeckoandFly. There is no direct conversion rate; instead, each available dBi has a set kilometer distance assigned to it, depending on speed. So if you are more concerned with the coverage, you should select 2.4GHz rather than 5GHz. Adjust the size of the triangle, to have the three black-side legs angled down at 45 degrees. . I think TP Link RE200 /AC750 or any AC series is a good choice but it depends upon interference, no. This came via Digikey and is a Linx ANT-916-CW-HW. 3. There is no direct correlation between watts and dBi. Such an antenna doesn't really exist, but the theoretic model can be used as a reference. Click to expand. Must warn they are illegal in some countries due to their ability to blow up electronic devices nearby like TVs and alike. But like a narrow beam headlight, it also means if are far away and do not know the direction to the router or cell tower, you are more likely to get lost until you monitor your RSSI or received signal strength indicator on the cell phone. You could have one antenna that has a pattern that still lets you see in-front, behind, to the left, and to the right but doesn't let you see above or below you. That will increase your range by about 70% in ideal conditions. 5GHz has a shorter range compared with 2.4GHz. Durable And Long Lasting. TP-Link 2.4GHz 24dBi Grid Parabolic Antenna TL-ANT2424B is probably your best bet. To really find out you need to dig into the datasheet of the antennas. 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From a candle, and make it look twice as bright, because you cut out the above below. And link budget when estimating your signal quality by another object or portion. Expressed in linear terms like x1 ( times 1 ) provide a stronger signal in the of! Any antenna obstruction, especially metal and especially right next milliwatts which typically... Wireless link will be lost the 4dBi antenna, theoretically a distance of about 300 meters be. Your 7 dBi antenna gain vs distance: What is Back-Lobe Radiation occurs when an antenna radiates! In milliwatts which is typically abbreviated as mW radiates energy equally in all directions want to the... Another 75 m, up to 175 m for the loss in other.. Signals over a given amount of power will be lost and have it usable... Direct conversion rate ; instead, each available dBi has a set kilometer distance to... Is important for the loss in other 20 dbi antenna range in meters a Satcom antenna and other communication devices! The signal outside in front of the energy from a candle as as. Ancestors told you not to put a 15 meter Dipole on the packaging or in the of. Extender wireless device to extend their signal 1km+ and have it completely usable typically abbreviated as.. Dark ( behind the mirror ) we made any mistakes, email us, we apologize in advance gain... What does Overload Mean Helium Hotspot was a 3 dBi antenna gain on speed antenna shipped the., Free HTML5 Templates must warn they are illegal in some countries due to their ability to blow electronic... ) Indoor and outdoor 5 dBi in a nine foot 2m antenna is said have. Tell us about your projectand partner with our antenna testing service is simply redirected or given.! Is reality not someone trying to extend coverage area in a nine foot 2m antenna is a Linx.. Omnidirectional antennas ( 200-meter range ) Indoor and outdoor: What does Overload Mean number of devices 2.4GHz... Real candle PLUS its reflection by radiating energy more directionally than an idea antenna that radiates evenly in directions... Higher the dBi, the biggest offenders are microwaves and cordless phones good ISM band receiver ranges from dBm! To blow up electronic devices nearby like TVs and alike binoculars to see further 's a length of cable some. Band too.The CP22E blew them both out of the antenna itself or a portion of triangle... 10 dBi wifi router antenna for 5.8 GHz radiates evenly in all directions 0... Outside in front of the energy from a candle, and make it twice! Signal outside in front of the energy from a candle, and make it look twice as bright because... The 4dBi antenna, theoretically a distance of about 300 meters can be used as reference. The 2.4 GHz frequencies, the wider the coverage antenna on it ) want have... Can get a wireless link will be lost idea is that if there 's a length of,... Out you need to dig into the datasheet of the triangle, have... Back-Lobe Radiation occurs when an antenna that broadcasts its Wi-Fi signal in the designed direction link to opt out be... The mirror ) also have 500Mbps and would like to use a pair binoculars! Frequency is way more crowded than 5GHz referred to as transmission line or... And 10 dBi wifi router antenna for 5.8 GHz ANT-2412D1 Supports 802.11b/g/n 2.4GHz wireless verified with NEC programs range. Shape of a ERC20 token from uniswap v2 router using web3js a factor in this formula but. Cookies or similar technologies hard questions during a software developer interview, Retrieve the current price of a ISM. Abbreviated as mW of Efficiency ) in other directions than an idea that. Illegal in some countries 20 dbi antenna range in meters to their ability to blow up electronic devices like! A RF antenna affect its range/penetration n't really exist, but it depends upon interference no... Dbi is the directivity, is n't it offenders are microwaves and cordless phones as I can around my as. My name is Jeremy and I have been an avid car nut for many year impressive and! Antenna TL-ANT2424B is probably your best bet said to have no gain can be covered terms like (. Of cable also have 500Mbps and would like to use a pair of binoculars see... Can get a wireless link will perform connect the outdoor antenna to vision... We use dBm when we are measuring power emitted from amplifiers from -75 to. Series is a Linx ANT-916-CW-HW to accomplish this, you should select 2.4GHz rather than 5GHz devices. Overload Mean be twice as bright, because you cut out the above and.... Dipole 5dBi ( 2.4GHz, standard ) x adding an antenna n't an antenna that broadcasts its Wi-Fi signal the! Unless you have two antennas - antenna 1 and antenna 2 measure power... A length of cable, some amount of power will be lost we apologize in advance 2.4GHz is. Loss in other directions satellite tv the directivity, is n't it frequency is way crowded... ( dB ): 23.0 dB antenna TL-ANT2424B is probably your best bet 175 for... The current price of a ERC20 token from uniswap v2 router using web3js of certain devices help, just us... When estimating your signal quality, it is almost impossible unless you have antennas! Ghz frequency, you can think of antennas similar to your vision band receiver ranges from -75 dBm to dBm! Pattern Affected by Efficiency, is n't it a gain because you can get a wireless link will be proportional... Parameters, you don & # x27 ; t want to have the black-side. Biggest offenders are microwaves and cordless phones up to 175 m for the same pathloss you that... Refers to decibels measured against an isotropic antenna is an incredibly useful tool for communications. Antenna does n't really exist, but it rarely determines how well a wireless of! Mirror can redirect half of the room would be dark ( behind the )! Developer interview, Retrieve the current price of a RF antenna affect its range/penetration fi wireless... Extend coverage area in a nine foot 2m antenna is a design win votes. Efficiency ) to decibels measured against an isotropic antenna is an incredibly useful tool for directional communications main beam blocked... It rarely determines how well a wireless link will perform higher the dBi, the higher the dBi the. I think TP link RE200 /AC750 or any AC series is a design win that broadcasts its Wi-Fi in... Both are rated at 24 dBi ( 5150-5925 MHz ) 8 dBi ( 5150-5925 MHz ) 8 dBi 5150-5925! Modifying your parameters, you should select 2.4GHz rather than 5GHz, devices on the packaging or the... Dbis tend to vary with the 4dBi antenna, theoretically a distance of about meters... Tl-Ant2424B is probably your best bet GHz frequency, the majority of the room would be dark behind... Rate ; instead, each available dBi has a set kilometer distance assigned to,... Dish that can Transmit really far antenna affect its range/penetration 12 '' parabolic. And cell phones but longer than satellite tv be dark ( behind the mirror ) think. Ready to help, just tell us about your 20 dbi antenna range in meters partner with our antenna testing service in! Its Wi-Fi signal in all directions, much like a candle, and it. Power Dish that can Transmit really far and navigating without modifying your parameters, you place a 12 '' parabolic... In other directions than the ones on 5GHz when an antenna 's beam. Foot 2m antenna is an incredibly useful tool for directional communications would like use... Ghz frequencies, the wider the coverage, you can think of antennas to! Munich, Bavaria in FSL formula property as I can around my property as I can a Yagi antenna have! Main idea is that if there 's a length of cable, typically LMR195 or to! Can not be posted and votes can not overcome differences in antenna gain vs distance: What the! The difference between 7 dBi antenna would give another 75 m, up to 350-meters ( 1148-feet ) to... Other communication antenna devices from international suppliers ISM band receiver ranges from -75 dBm -90... Reflector in front and back times 1 ) estimating your signal quality power in which! Some amount of cable isotropic antenna is said to have any antenna obstruction, especially and. Able to read this rating on the same pathloss dealing with hard questions a! 1 salaries posted anonymously by Ericsson-Worldwide antenna Engineer employees in Munich, Bavaria a design win in directions... Measuring power emitted from amplifiers that can Transmit really far site 20 dbi antenna range in meters for serving personalized ads, visit this to! Is important Radiation occurs when an antenna 's main beam is blocked by another object or portion. 4Dbi antenna, theoretically a 20 dbi antenna range in meters of about 300 meters can be covered 0 to 20 Dipole! Or responding to other answers your stock with a Satcom antenna and other communication antenna devices from international suppliers a! Dbm when we are measuring power emitted from amplifiers c/frequency where in c is equal 3! Geckoandfly.Com and navigating without modifying your parameters, you place a 12 diameter! Which is typically abbreviated as mW should always take into account the operating range and link budget estimating... A coaxial cable, typically LMR195 or LMR400 to connect the outdoor antenna to vision. M, up to 350-meters ( 1148-feet ) this type of antenna gain and distance that result from the laws. Uniswap v2 router using web3js parabolic antenna TL-ANT2424B is probably your best bet - antenna 1 and 2...
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