Each unit comes with 2 antennas (+3dBi and +5dBi) in the package.
ZOON is 2.4Ghz LoRa based long range telemetry module, designed for robotics/drones and IOT. ZOONv3 can send data up to 21km at 0.5kbps and 6km at 125kbps, ZOON comes with mavlink awareness,It can show rssi of the signal with mavlink package,and more over it can also dymacially change data speed and send only important packages when the drone or robot is far away.
ZOON uses LoRa chirp spread spectrum.It is immune to reflection from obstacles and other wireless signals around.
You can connect to ZOON with microUSB , JST - SM04B-GHS-TB, or ST - SM06B-GHS-TB, and send full duplex data.(Note also that physical layer is half-duplex as same in WiFi.)