I have been working on a custom drone for quite some time now. One thing I have found an issue with is the remote control antenna orientation in relation to the drone. In some directions I will get absolutely no signal. (The antenna type pictured below).
On the receving end, I am using a standard NRF24L01+ with a PCB antenna.
Eventually, I would like to add another PA+LNA version to the drone with a lightweight antenna such as this.
Is there a better antenna design that will give me omnidirectional transmits and receives? On the remote control I do not care about weight so they can be as heavy as they like, but I would like to keep the weight as little as possible on the drone, which is why I bought the "wire-like antenna".
I know that each antenna needs to be used for a correct frequency, in this case 2.4Ghz, but other than that I do not know much about wireless antennas.