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Highlights
- 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 microcontroll
Specification
| General | |
|---|---|
| Type | 915MHz 3DR Radio Module |
|
Material |
Plastic |
| Dimensions | 1.97 in x 0.87 in x 0.39 in (5 cm x 2.2 cm x 1 cm) |
| Weight | 2.1 oz (59.5 g) |
| Compatible | Universal |
| Notice | Please read the instructions in detail before assembly. Non-professionals are supposed to assemble it under guidance of professionals. |
| Package Contents | |
| 2 x Digital modules | |
| 1 x Long antenna | |
| 1 x Short antenna | |
| 2 x Cable | |
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