Holybro Atlatl 5.8G 40CH 25m W 100m W mini FPV Video Transmitter 4.5-5.5V 19x 16mm for RC FPV Racing Drone Specification: Brand name: Holybro Item name: Atlatl Mini FPV Video Transmitter Output Power: 0.5 m W (pit mode), 25 m W, 100 m W Antenna Connector: MMCX Input Voltage: 4.5 to 5.5 volts (nominal 5v power) Dimensions: 19x 16x 4.5mm Weight: 1.6g (without antenna) Feature: Compatible with all major FPV receivers from vendors such as Fatshark, Immersion RC, etc. Supports the standard 40-channel set: band A, B, E, Fatshark, & Raceb&. TBS Telemetry Protocol input allows remote control by the flight controller. Change channel, transmit power, & more from Betaflight OSD, flight controller USB (Universal Serial Bus) port, Taranis Lua Script, & more. MMCX connector is durable & easy to use. Rated for 100s of mating cycles. Easy & quick antenna changes. No more ripped-off UFL connectors. Variable transmit power 25 m W or 100 m W. 0.5 m W True Pit Mode means that you can power up safely without the risk of knocking other pilots out of the air. Tiny form factor for easy installation in tight racing builds. Atlatl Mini VTX English Manual Package Included:1 x Atlatl Mini FPV Video Transmitter