Ultra-lite SBUS 16-channel micro receiver by FrSky. It only weighs 1 grams!
Specifications:
Compatibility: FrSky D16 mode
Dimension: 15*10*3.5mm(L x W x H)
Weight: 1
Operating Range: >600m
Operating Voltage Range: 3.5V~10V
Operating Current: 20mA@5V
Number of Channels: Up to 16CH from SBUS(CH1~CH15 for PWM,CH16 RSSI for FC)