Main product parameters Electrical Specifications Gain: 6dBi Polarization: vertical polarization Frequency: 865~ 868MHz(European standard), 902~ 928MHz(American standard) Half power beam width (°): Vertical: 110 Horizontal Level: 120 Impedance: 50Ω Standing wave ratio: ≦ 1.5 Mechanical Specifications Maximum output power: 20W Connector: TNC male, can be customized Feeder length (vuòti): 2m, 3.1m, 4.2m, 5.3m, 6.4m, 7.5m, 8.6m, 9.7m Lightning protection: DC grounding Waterproof …