... device which can be used for authorized door access, controlling gates, switching of remote equipments, car parking systems. ... Wellheads, boat, vehicle;13. Energy saving, street lights control system;14. Valve controls;15. Transformer stations; 16. Unmanned machine ... Antenna50 Ω SMA Antenna interface, Cable type: Gain:3dBi cable-length:3-5meters connector :SMAPortable antenna: Gain:2dBi height: 5cm ...