Frequency 2400 ~ 2500 MHz 5150-5850Mhz S.W.R. <= 1.8 Antenna Gain 2 dBi Polarization Linear Impedance 50 Ohm B. Material & Mechanical Characteristics Material of Radiator Cu Material of Plastic Body: PC+ABS Cable Type / Connector Type rp-SMA Male Reverse Connector Pull Test >= 3 Kg Connector Torque Test / C. Environmental Operation Temperature - 40 degC ~ + 65 degC Storage Temperature - 40 degC ~ + 80 degC