1. Next-gen ExpressLRS TX module that features a standard JR bay design 2. Supports 868/915MHz with up to 2000mW output power 3. Active cooling with a built-in high-speed fan 4. Equipped with a temperature-compensated crystal oscillator (TCXO) for stable performance in extreme temperatures 5. Custom Moxon antenna for enhanced signal transmission Integrated backpack chip enables direct peripheral connectivity Dedicated UART port for relay setups or high-power receivers Runs on external 2-6S power RGB status indicator Easy firmware updates via USB or WiFi Module Type: JR-Bay Main Chip: ESP32 Backpack Chip: ESP8285 RF Chip: SX1276 Power: 2000mW Oscillator: TCXO Refresh Rate:25Hz-200Hz Antenna Connector: SMA Power Supply: 2-6S Firmware: LINKFLOW 900M TX Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: Black Material: plastic Package Contents: 1 x LINKFLOW 915M TX Module 1 x 915MHz Moxon Antenna 1 x GH1.25 3pin connection cable 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.