FrSky Tandem X20S Radio System

(A true simultaneous Dual-Band 2.4/900Mhz system) Fully compatible with the (AR) Advanced Radio Smooth Flight ARXL 16 and 26 channel systems! FrSky X20S     Internal 900MHz/2.4GHz Dual-Band & External Module BayThe TD dual-band RF system combines both the features and advantages of FrSky 900MHz and 2.4GHz RF together in one system. The TD features real simultaneous dual-band long-range control with telemetry that achieves reliable end-to-end 4ms latency while maintaining a robust and high-quality signal link. The entire range of TD, ACCESS & ACCST D16 receivers are supported. The built-in TANDEM RF System supports ACCESS and ACCST D16 protocols. Its development has drawn on valuable feedback from FrSky’s extensive customer base, experience with previous radios and introduces many new features such as a color touch screen display, underpinned by an ergonomic design that provides unprecedented comfort when held. On the RF side, FrSky has introduced a powerful and reliable TD d