3DR Radio Telemetry Kit - 915 Mhz

3DR Radio Telemetry Kit - 915 Mhz
3DR Radio Telemetry Kit - 915 Mhz
Brand: 3D Robotics
Product Code: kt-telemetry-3dr915
Reward Points: 0
Availability: 3
Price: $79.99
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3DR Radio telemetry system

The 3DR Radio telemetry system is designed as an open source Xbee replacement radio set, offering a lower price, longer range (approx one mile) and superior performance to Xbee radios. It’s available in 915Mhz and 433Mhz; and in the following configurations:  serial board (for the air) and USB (for the ground).

The system provides a full-duplex link  using HopeRF's HM-TR and data modules running custom, open source firmware.  Interface to the module is via standard 5V-tolerant TTL serial / FTDI USB serial.

The SiK firmware includes a bootloader that permits radio firmware upgrades over the serial interface, and radio firmware with configurable parameters. Firmware upgrades and configuration are fully supported in the APM Mission Planner. Configuration is also possible through the 3DR Radio configurator and AT commands.

 
3DR Radio Configurator

DOCUMENTATION, SET UP AND COUNTRY COMPATIBILITY

Air module eagle files

USB module eagle files

Hardware features and specifications

  • Very small size
  • Light weight (under 4 grams without antenna)
  • Available in 900MHz or 433MHz variants
  • Receiver sensitivity to -121 dBm
  • Transmit power up to 20dBm (100mW)
  • Transparent serial link
  • Air data rates up to 250kbps
  • Range of approx 1 mile
  • 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 the HopeRF HM-TRP radio module, featuring an SiLabs Si1000 RF microcontroller.

 

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