Phone Antenna TX-454 Specification Frequency Range: 450-454MHz VSWR: ≤1.5 Gain: 3.5dBi Polarzation:Vertical Max power: 50W Input Impedance: 50Ω Connector Type: SMA-J(base oncustomer'request) Antenna Heigh: 93mm Radome Material:Polyurethane Radome Color: Black