Features:Frequency Range(MHz)：433MHz+/-6MHzGain(dBi): 2.2Input Impedance( OHM): 50Max-power(dBm): 30Diameter(mm)：5Length(mm)：34+/-1(Including welding part length)Height(mm)：20+/-1（Exposed parts， does not contain the welding part length）Color: auratusConnector Type: direct weldmentPackage included:1 x 10 pcs 433MHz Helical antenna