118-136MHZ High Gain Antenna for Aviation BNC Interphone Airband Radio Receiver. Perfect replacement for your TV antenna, FM radio antenna, electric toy antenna etc. For enhancing intercom receiver sensitivity, increasing the intercom call effect. Great for making calling distance further and calls clearer. Applicable to: TH-28A, TH-48A, TH-78A and other receiving aviation frequencies. Interface Type: BNC Frequency range: 118-136MHz Bandwidth: 6MHZ Increase : 3.5dBi Input Impedance: 50ohm Standing Wave Ratio: less than equal 1.5 Sections: 7 Colour:Silver Material:Stainless steel Package Contents: 1 * Walkie-talkie Telescopic Antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.