This insanely tiny 2.4GHz diversity receiver available is the next big thing in miniaturization of racing craft. Weighing in at under 2g, this receiver is perfect for those racers who are looking to lower their AUW. These are rated to "full range", so identical to your X4R and D4R setups.
Dimension: 21.5*12*3.5mm(L x W x H)
Number of Channels: Up to 16CH from SBUS (1-15ch for PWM,16ch RSSI for FC)
Operating Voltage Range: 3.7~10V
Operating Current: 30mA @5V
Operating Range: Full range
With RSSI output on board: Analog 0~3.3V
Compatibility: FrSky D16 mode