Replacement parts and accessories for DJI drones

YKS 3DR Radio Telemetry Kit 915Mhz Module Open Source for APM 2.6 2.8 Pixhawk RC Quadcopter

Price: $45.00 $33.99
Product prices and availability are accurate as of 2018-01-22 00:16:33 UTC and are subject to change. Any price and availability information displayed on http://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
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Manufacturer Description

Specifications:
Band: 915MHz
Antenna connectors: RP-SMA connector
Output Power: 100mW (20dBm), adjustable between 1-20dBm
Sensitivity: -117dBm sensitivity
Interface: Standard TTL UART
Support for LBT and AFA
Open source firmware
Connection status: LED indicators
Net Weight: 57g / 2.01oz

Features:
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)
Configurable duty cycle
Built in error correcting code (can correct up to 25% data bit errors)
AT commands for radio configuration
RT commands for remote radio configuration

Package Includes:
1 x Radio Telemetry base station (USB Connection)
1 x Telemetry Transceiver (Pin Header)
1 x lead set
2 x Antenna

Product Features

Very small size,light weight (about 4 grams without antenna). Transmit power up to 20dBm (100mW), air data rates up to 250kbps. Support for LBT and AFA, 915Mhz frequency band. Adaptive flow control when used with APM. USB Interface reciever. Connect the PC tablet. Based on the HopeRF HM-TRP radio module, featuring an SiLabs Si1000 RF micro controller and Si4432 wireless module.