FrSky R-XSR is an evolution of the full-range. The R-XSR is a stand-alone receiver with all the functions of XSR, plus it's almost 1/3 of size and 1/3 weight of the XSR receiver. In addition, the redundancy feature is built into this tiny receiver provides security and the IPEX connector makes it more convenient for you to replace the antennas.
Dimension: 16 * 11 * 5.4mm (L * W * H)
Number of channels: 16CH (1-16CH of SBUS channel, 1 ~ 8CH of CPPM chain)
Range Operating Voltage: 4 ~ 10V
Compatibility: FrSky X Series Modules & X9D & X9DP &X9E & QX7 & QX7S & X10 & X10s &nX12S in D16 mode.