3DR Radio Telemetry 915MHZ Module For APM APM2

3DR Radio Telemetry 915MHZ Module For APM APM2Description:Item Name: 3DR Radio Telemetry ModuleBand: 915MHzAntenna connectors: RP-SMA connectorOutput Power: 100mW (20dBm), adjustable between 1-20dBmSensitivity: -117dBm sensitivityInterface: Standard TTL UARTConnection status: LED indicatorsFeatures:Very small size,light weight915Mhz frequency bandReceiver sensitivity to -117 dBmTransmit power up to 20dBm (100mW)Transparent serial linkAir data rates up to 250kbpsRange of approx 1 mile with supplied antennasDemonstrated range of several kilometers with a small omni antennaCan be used with a bi-directional amplifier for even more rangeMAVLink protocol framing and status reportingFrequency hopping spread spectrum (FHSS)Adaptive time division multiplexing (TDM)Support for LBT and AFAConfigurable duty cycleBuilt in error correcting code (can correct up to 25% data bit errors)Open source firmwareAT commands for radio configurationRT commands for remote radio configurationAdaptive flow control when used with APMBased on the HopeRF HM-TRP radio module, featuring an SiLabs Si1000 RF microcontroller.Note: the cables is new version now.Package Included:1 x Radio Telemetry base station (USB Connection)1 x Telemetry Transceiver (Pin Header)1 x lead set2 x Antenna