brand name: HappyModel
place of origin: Guangdong, China
MCU: ESP32(main),ESP8285(aux,as espbackpack)
RF chip: SX1281IMLTRT
Frequency Range: 2400 MHz to 2500 MHz
Power supply voltage: 5v~10v
Weight: 51gram(without antenna)
Dimension: 70mm*49mm*32.5mm
Antenna gain: 4.18dBi