This insanely tiny 2.4GHz diversity receiver available from FrSky is the next big thing in miniaturization of racing craft.Perfect for those racers who are looking to lower their AUW. FULL RANGE, so identical to your X4R and D4R setups. | XM Plus Receiver supports failsage function for all channels. Protect your perfectly henever the control signal is lost for a period of time | Up to 16CH from SBUS ( CH1-CH15 for PWM, CH16 RSSI for FC,such as F3, Naze32 flight controller ). Compatible ------ Compatible with Frsky X9D Plus X9E X12S transmitter. | weight:1.6g, Dimension: 21.5*12*3.5mm(L x W x H).Frsky XM Plus mini receiver is perfect for those racers who are looking to lower their AUW, especially for FPV racing drone, mini drone, such as 130 110 drone . | FrSky XM Plus is dual antenna ( Frsky XM is only one), with dual antenna, it has strong anti-interference, make sure you can control your drone anytime.If you have any problem, feel free to contact us with detailed information and bar code. Our technology support team will help check and solve the problem. In addition, we also have US support center. If you want, you can also call them or return it back to them and they can fix it for you.