The Tandem X20 is a pioneering dual-band radio transmitter, it drew on feedback and experience with previous radios and adds many new features such as color touch screen, an ergonomic design that provides unprecedented comfort in the hand. On the RF side, we have given it the powerful RF system , the TD dual RF system, which does not simply reiterate the combined features of the FRSKY900MHz and 2.4GHz RF systems. The TD is characterized by its true simultaneous dual-band remote control with telemetry, enabling incredible and unmatched end-to-end 4ms latency. This radio ships with ETHOS, a completely new system that provides users with a powerful, intuitive, and flexible experience that maximizes the fun of the hobby

Note:

For more info refer to user manual in attachment section.

Actual product may vary form image in terms of design. 

 Below are Compatible battery packs specially built for this Transmitter

1. LG INR18650MJ1 7.4V 3500mAh 3C 2S1P Li-Ion Battery Pack (TX)
2. BAK NMC 18650 7.4V 3350mAh 3C 2S1P Li-Ion Battery Pack (TX)

Features:

1. 800 x 480 Color Touch-Screen Displays
2. 6 Quick-Mode Custom Buttons (Front) and 2 Momentary Buttons (Rear)
3. Lite Type External Module Bay
4. Built-in 6-axis Gyroscope Sensor
5. All CNC Metal Trims, Knobs
6. Haptic Vibration Alerts and Voice Speech Outputs
7. External Antenna Supports SWR indicator warning
8. Supports Recharge System for 2S Li-ion Battery (USB Type-C Interface)
9. High-speed PARA Wireless Training System (Compatible with FreeLink App3.0)
10. High-Precision Hall-Sensor Gimbals with All-CNC Metal Panel
11. ETHOS: The more powerful, Flexible and Intuitive OS for your radio.