TWAYRDIO 120300MHz Airband Reception Handheld Antenna, SMA Connector, VUHF Airband Reception Only, 47cm, for Icom, Alinco, and Standard

Frequency: 120/300MHz (airband reception only) Connector: SMAP type VSWR: 1.8 or less Gain: 2.15dBi Impedance: 50Ω The antenna is 47cm long. The antenna material is soft and flexible. Use for aviation radio reception. Compatible with Icom, Alinco, and some standard radios. A 1mm rubber spacer is included. Use when there is a gap between the antenna and the radio's antenna section. If there is no gap, there is no need to use it.