TTL 3DRobotics 3DR Radio Telemetry Kit 433Mhz Module

product description 3DR Telemetry Kit Specifications: Very small size Light weight (no antenna below 4 grams) 433-434.79MHz Receiver sensitivity of -121 dBm Transmit power up to 20dBm (100mW) Transparent serial link Air data rates up to 250kbps MAVLink protocol frame and status report Frequency Hopping Spread Spectrum (FHSS) Adaptive Time Division Multiplexing (TDM) Support LBT and AFA Configurable duty cycle Built-in error correction code (can correct up to 25% of data bit errors) Small omnidirectional antenna demonstration range of several kilometers Can be used with a bi-directional amplifier to achieve more range Open source firmware AT command is used for radio configuration RT command for remote radio configuration Adaptive Flow Control with APM Based on the HM-TRP radio module, using the Si1000 8051 microcontroller and the Si4432 radio module Please note that it is up to you whether to allow the use of these radio modules in your country. These devices are intended for use as a UK short-range license prepaid device under ESTI EN300 220, see Ofcom IR2030 file on page 17. You will need to configure the device to meet your country's regulations Size: 12 * 4 * 1cm / 4.7 * 1.6 * 0.4in Package Weight: 34g / 1.2oz note: Does not include flight control panel packing list: 1 * 3DR Radio Telemetry Kit 433Mhz