simple plug and play POE injector , 
used to power POE device ( Camera, Biometric Machine, VDP , Router etc. ) and extract data
PoE Receiver Adapters help to expand your network to where there are no power line or outlet, where you wish to fix device such as AP, IP Camera or IP Phone, etc.
Standard 48V Injector 
300 meter data transmission 
suitable for IP Camera , Long distance internet transmission , long distance CPE power and data transmission
Special Feature : Auto-detects the required power supply; Plug and Play, no configuration required; Expands network to areas with no power lines or outlets