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|Color||Blue + green|
|Compatible device||RC helicopter|
|Functions||Aircraft carrying and connect computer|
|Other Feature||The 3DRobotics 3DR Radio is the ideal way to setup a telemetry connection between your APM and a ground station. Small, inexpensive and with great range, the 3DR radio uses an open source firmware which allows us to do things that cannot be done with other radios; Radio features: Air module size: 17 x 35mm (without antenna); Ground module size: 17 x 59mm (without antenna); Air module Weight: 16.4g (including cable and antenna); Ground module weight: 16.5g (including antenna); Available in 900MHz or 433MHz variants; Receiver sensitivity to -121dBm; 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); Supports 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. Documentation: http://code.google.com/p/ardupilot-mega/wiki/3DRadio; Radio Configurator(Air module need a USB-UART tool like FTDI to configure): http://vps.oborne.me/3drradioconfig.zip|
|Packing List||1 x Air module|
1 x Ground module
2 x Antennas
1 x Cable (30cm)
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|Quantity||3+ units||5+ units||10+ units|
|Rate||US$22.26 shipped||US$22.19 shipped||US$22.12 shipped|
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