FrSky TANDEM X20R---Radio, TD-ISRM RS RF PERFORMANCE

Features Built-in TD-ISRM RS Dual-Band Internal RF Module – 900M/2.4G Dual Band TD Mode – Dual 2.4G TW Mode – ACCESS 2.4G amp; ACCESS R9 Modes – 2.4G ACCST D16 Mode Further Improvements for Form Factor Design Super Low-Latency and Long-Range Control with Telemetry Upgraded Robust Antenna Handle 900M/2.4G External Antenna Connectors (LoRa mode) 800×480 Resolution Outdoor High Brightness Touchscreen 2 Angle Adjustable Slider Levers 2 Knobs, 4 Standard Trims with 2 Extra Trims 6 Quick-Mode Custom Buttons (Front) and 2 Momentary Buttons (Rear) All Knobs, Trims, and Central Linear-Slider with All-CNC Metal Caps Built-in 8GB Flash Drive Storage Digital Audio Power Amplifier Built-in 6-axis Gyroscope Sensor High-Speed PARA Wireless Training System Data Transmission amp; Recharge System via USB Type-C Interface Haptic Vibration Alerts and Voice Speech Outputs M20 High-Precision Hall-Sensor Gimbals with Metal Panel Specifications Dimension: 205*213*90mm (L*W*H) Weight: 892g(Battery Excl.) / 1024g(Battery Incl.) Operating System: ETHOS Internal RF module: TD-ISRM RS Number of Channels: Up to 24 Built-in Flash Storage: 8GB Operating Voltage Range: 6.5 ~ 8.4V (2S Li-battery) Operating Temperature: -10°C~60°C (14°F~140°F) Operating Current: 600mA@7.4V (typ.) Charging Current: ≤1A ±200mA Recharge System for 2S Li-ion Battery (USB Type-C Interface) USB Adaptor Voltage: 5V+0.2V USB Adaptor Current: gt;2.0A Backlit Touchable LCD Resolution: 800*480 Compatibility: ACCST D16 amp; ACCESS amp; TD amp; TW receivers Lite Type External Module Bay