... 2)good quality, reasonable price 3)wide choice of products Antenna NameJCJB433AMain Electrical SPecificationsFrequency Range433MHzVSWRLess than 2.0Gain3.0dBPolarizationVertical Impendence50ohmMain Structure ... -40 to 70°C Relative Humidity Range55% to 75% GSM Antenna, 433MHz, 3dbi, BNC, TNC, SMA