What is Reddit's opinion of Yagi WiFi Antenna 2.4GHz (15dBi) Outdoor Directional Signal (H:30° V:25°) Long Distance Range (High-Gain Weatherproof) Wireless Network (Pole Mount) N-Female Pigtail Connector Tupavco TP512?

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This sounds like a super fun project. I think there's a few questions I still have before I expect the most quality answer:

1. What's your upgrade budget?

2. What's the topography and vegetation like? Is maintaining line of sight an issue?

3. Is there any preprocessing that can be done on the drone to downsize the data throughput requirements? Compression? Etc. You aren't running every pixel of a 4k image into a classification NN are you?

4. Can you estimate the actual bits per second required for upload/download? I don't know howbig a 4k image is off the top of my head.

So here's my 2 cents as a HAM and general nerd:

• You'll get better range with 2.5 GHz over 5GHz, but less throughput. If your bandwidth requirements allow for it, 2.5 would be my choice.
• A shitty antenna that's high up or has clear line of sight is likely going to be better than a nicer antenna on the ground. Consider upgrades consisting of ways to get your antenna higher up.
  
• Repeaters can be cheap with something like little zigbee units to form a little mesh network. Keep in mind you can use directional antennas between nodes to get better network reliability with fewer nodes. A 2.5GHz yagi with 15dBi gain is like $25.

Red Team Op from across the street nearly 200ft away in cover securing target credentials. NDA dictates that's all I can say.

Tupavco TP512 Yagi Wi-Fi Antenna 2.4GHz 15DBI H: 30° V: 25° Outdoor Directional Wireless N-Female https://www.amazon.com/dp/B008Z4DNFC/ref=cm_sw_r_other_apa_i_kXUlFb4MVG427

Pretty narrow area, so a directional antenna would be nice. Something like this https://www.amazon.com/Tupavco-TP512-Wi-Fi-Antenna-2-4GHz/dp/B008Z4DNFC/

Something like this: https://www.amazon.com/Tupavco-TP512-Wi-Fi-Antenna-2-4GHz/dp/B008Z4DNFC

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You will need some other tech to connect it to your local access point. Something like a N-Type Male Connector to RP-SMA Female Antenna. They come as cables of different length. You'll want to mount the Yagi antenna on a pole so it has nice line of sight to its target. As has been mentioned, they are quite directional, so you will need to dial that in. The above antenna might not be the ideal one for your situation, but something *like* that should do the trick.

The Yagi antenna connects to an access point, which then broadcasts regular 802.11n/g wifi for your computer to pick up, or has ethernet hookups.

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Best of luck.

if 2.4ghz, something like this would work. You basically need a directional high-gain wifi antenna, then whatever couplings to plug it into a router on your end.

This is another good option, it is a long range outdoor wireless bridge, so you just plug ethernet into it and plug that into a router on your end. The review says it gets around 11Mbps at 150 meters. There are higher power models available that are probably even faster than that.