Description: Very small size,light weight 433Mhz frequency band Transparent serial link Range of approx 1 mile with supplied antennas Demonstrated range of several kilometers with a small omni antenna Can be used with a bi-directional amplifier for even more range MAVLink protocol framing and status reporting Frequency hopping spread spectrum (FHSS) Adaptive time division multiplexing (TDM) Support for LBT and AFA Configurable duty cycle Built in error correcting code (can correct up to 25% data bit errors) Open source firmware AT commands for radio configuration RT commands for remote radio configuration Adaptive flow control when used with APM Based on the HopeRF HM-TRP radio module, featuring an SiLabs Si1000 RF microcontroller. 3DR Radio Telemetry Kit 433Mhz Module Open source for APM 2.5 2.6 2.8 Specification: Item Name: 3DR Radio Telemetry Module Band: 433MHz Receiver sensitivity: -117 dBm Air data rates: up to 250kbps Transmit power: up to 20dBm Antenna connectors: RP-SMA connector Output Power: 20dBm, adjustable between 1-20dBm Interface: Standard TTL UART Connection status: LED indicators FPV Radio telemetry air module size: 50 x 27 x 10mm FPV Radio telemetry ground module size: 70 x 22 x 11mm Package Includes: 2 Piece Antenna 1 Piece Radio Telemetry base station (USB Connection) 1 Piece Telemetry Transceiver (Pin Header) 2 Piece Cable set 1 Piece Connector 2 Piece green modules
