Extended Range with Patch Antenna: Enhance your range with the use of a patch antenna, enabling distances of several kilometres for remote control. Compact Design and Lightweight: At just 28 x 53 x 10.7mm and lightweight, this SiK Telemetry Radio is easy to integrate into any drone setup. Frequency Hopping Spread Spectrum (FHSS): FHSS technology with configurable duty cycle offers reliable, error-correcting communication over a range of up to 300m. Plug-n-play for Pixhawk Standard: Effortless setup with plug-n-play compatibility for Pixhawk Standard Flight Controllers, simplifying your telemetry connectio. Open-source SIK firmware: Flexible, customizable open-source SIK firmware ensures seamless integration with for Mission Planner and APM Planner for advanced control. Specification: 100 mW maximum output power (adjustable) -117 dBm receive sensitivity RP-SMA connector 2-way full-duplex communication through adaptive TDM UART interface Transparent serial link MAVLink protocol framing Frequency Hopping Spread Spectrum (FHSS) Configurable duty cycle Error correction corrects up to 25% of bit errors Open-source SIK firmware Configurable through Mission Planner & APM Planner FT230X is a USB to BASIC UART IC Supply voltage: 5V DC (from USB or JST-GH) Transmit current: 100 mA at 20dBm Receive current: 25 mA Serial interface: 3.3 V UART Note:random distribution with logo or without logo, not accepting the designation will not affect the use. (The product printed words may vary depending on the batch, but this does not affect use) Color:As Shown Material:ABS Package Contents: 1 * for HolyBro SiK Telemetry Radio kits