Review on 📡 MakerFocus 3pcs NRF24L01+PA+LNA Wireless Transceiver Module with Antenna - 2.4G 1100m Range for Arduino, including 3pcs NRF24L01+ Breakout Adapters with 3.3V Regulator by Mark Harris

I have 2 types: nrf24l01+ with antenna and AS01-ML01 Schnelltest, they work as advertised. Did a little range test at home, didn't get any dips (I'm guessing around 300 feet). I have used 1 with antenna and 1 with PCB antenna and already got improved range. I've also tested the kit with a regular PCB antenna and they drop down the far end of the house so the range is improved. I've also tried placing them very close together with no issues. They have the same standard connectors (8-pin) so if you use connectors, you can HOWEVER just swap them out. I've had some strange experiences with an external antenna versus a PCB antenna: I built some circuitry and a simple receiver and transmitter to test these modules. I have found that circuit boards always work, the antenna is more difficult. In some circuits they work well, in others they don't. Sometimes they only work if I touch the antenna or some of the pins with my hands and I don't understand why it works fine in one circuit and not in the other. I think it's important to keep the (SPI) connections as short as possible. I also use a capacitor across ground/Vcc (I tried going from 100nF to 10uF but no change in behavior). In my case the antenna didn't work when pointed 90 degrees up (obviously something to try first), but works fine at some other angles. So overall a bit picky. Update: Some people report more reliability when the module is in a metal case or even in foil. Be careful with short circuits