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Crazyradio PA - Long Range 2.4Ghz USB Radio Dongle With Antenna - DIY Maker Open Source BOOOLE
Crazyradio PA is a long range open USB radio dongle based on the from Nordic Semiconductor. It features a 20dBm power amplifier, LNA and comes pre-programmed with Crazyflie compatible firmware. The power amplifier boosts the range, giving a range of more than 1km (line of sight) together with the Crazyflie 2.0 and above 2km Crazyradio PA to Crazyradio PA (line of sight).The Crazyradio PA is not only for usage together with the Crazyflie and Crazyflie 2.0. Since it's an open project with firmware written from scratch and a Python API

Price is $44.00
Price: $43.99