Features: TBS Crossfire Receiver: This product is a high-performances receiver that utilizes TBS Crossfire technology and has excellent signal transmission and reception capabilities, ensuring stable and reliable remote control operations. ImmortalT V2 antenna: Equipped with ImmortalT V2 antenna, it provides longer communication distance and strong signal penetration ability, allowing drones to operate over a wide ranges. RXCRSF 915/868MHz Remote Control Radio System: Supports the 915MHz and 868MHz frequency bands, suitable for different regional usage needs, and provides global remote radio communication. Excellent signal transmission quality: Using TBS Crossfire technology, ensuring stable, low latency, and reliable remote control signal transmission, reducing the risk of interference and packet loss. Remote communication capability: With ImmortalT V2 antenna and support in the 915MHz and 868MHz frequency bands, it can achieve wireless communication over longer distances and provide a larger operating ranges. Multi device compatibility: Compatible for various remote control and drones, convenient for users to upgraded and replace, supporting different remote control system and flight platforms. Specifications: Material: Printed Circuit Board Size: Approx. 18x11mm/0.71x0.43inch Requirement: Firmware V2.25 Package Includes: 1x TBS Crossfire Nano Receiver 1x TBS ImmortalT Antenna 1x Spare Shrink Tubing 6x 30awg silicone connecting wire (2 black, 2 red, 1 white, 1 yellow) 1x Pin Header 1x4TBS note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.