Works in: 915MHz (890-915MHz) Small size and light weight Base on LoRa modulation technology to obtain excellent anti-interference performance Frequency hopping spread spectrum (FHSS):Using transparent transmission to compatible with any data and protocol not just mavlink. CP2102 USB to UART IC, compatible with for QGround Control on for Android. Data Transmission:Transmission Rate: 2.1K Byte/s (default); 1.1K Byte/s; 0.4K Byte/s; 3.2K Byte/s(down) 1.6K Byte/s(up) in FHSS mode (LR900-A not support) Maximum Single-package Length: 20K Byte Uart Baudrate for JST-GH Interface: 9600; 19200; 38400; 57600 (default); 115200; Uart Baudrate for USB Interface: 57600 (default); 115200; Specification:LR900-F Color: As Shown Material: Plastic+Metal Package Contents: 1set x Digital Image Transmission Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.