The radio is a 2-way half-duplex wireless communication system with a standard TTL UART interface, based on HopeRF’s HM-TRP data link modules, and custom firmware that improves upon the modules’ original features and performance.
- 433MHz Frequency Range
- Receiver sensitivity to -117dBm
- Transmit power up to 20dBm (100mW)
- Transparent serial link
- Air data rates up to 250kbps
- 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)
- Demonstrated range of several kilometers with a small omni antenna
- Can be used with a bi-directional amplifier for even more range
- Open source firmware
- AT commands for radio configuration
- RT commands for remote radio configuration
- Adaptive flow control when used with APM
- Based on HM-TRP radio modules, with Si1000 8051 micro-controller and Si4432 radio module
- Product name: 3dr radio Telemetry module
- Range: 433MHz
- Antenna connectors: RP-SMA connector
- Power: 500MW
- Sensitivity: -117dbm Sensitivity
- Interface: Standard TTL UART
- Connection status: LED indicators
- Net weight: 56.5g
- Air module type: 51 x 30 x 10mm / 12g
- Dimensional modular module: 70 x25 x12 mm / 15 g
- 1 x 433 telemetry radio base station (USB connection)
- 1 x 500MW radio telemetry Air module
- 1 x 500MW radio telemetry Ground module
- 2 x wire for TX and RX
- 2 x TV antennas
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