3DR 433Mhz Radio Telemetry 100MW100MW Wireless communication distance 800MReceiver sensitivity:-121 dBmTransmit power:20dBm (100mW)Transparent serial linkAir data transfer rates up to 250kbpsMAVLink protocol frame and status reportsFrequency Hopping Spread Spectrum (FHSS)Adaptive time division multiplexing (TDM)Support LBT and AFAConfigurable duty cycleBuilt-in error correction code (up to 25% can be corrected data bit errors)Use a small omni-directional antenna up to several kilometersAvailable bi-directional amplifier gain greater rangeOpen Source FirmwareAT commands to configure data transmissionRT command remotely configure data transmissionAdaptive traffic control and use APMHM-TRP wireless module based, with Si4432 Si1000 8051 microcontroller and wireless modules.Due to different product batches, the appearance may vary, which does not affect the use.Type:433MHZColour:BlackMaterial:PlasticPackage Contents:1 * Data Transmit Module Kit