Pre-flashed with Z-Stack 3.x.0 coordinator firmware Can use ZHA in Home Assistant or use Zigbee2MQTT Base on TI CC2652P + CP2102N +20dBm output gain SMA interface external antenna,Aluminum housing effectively reduces signal interference from peripherals Note: For New Users of ZBDongle-P, please check the Specific Installation steps by scanning the QR code on the User Manual, we have detailed connection tutorials.