Technical details

Radio frequency: 433MHz, 868MHz, 915MHz
Frequency-hopping spread spectrum (FHSS)
Range: 700+/-100m (tested in open air with copper wire antenna)
Input voltage: 7-12V (2S/3S LiPo)
GPS compatibility: Global Top (MT3318, MT3329, MT3339), u-Blox (M7,M8)

Receiver (RX)

Headphones: 3,5mm jack port
Average current: 50mA
Size: 51 x 38mm
Weight: ~17g

Transmitter (TX)

MicroSD Card: 256MB-32GB class 4 (FAT32)
Maximum transmit power: 20dB (100mW)
Average current: 150mA
Size: 52 x 40mm
Weight: ~17g