<b>This antenna is almost 16 inches long and is a must for outdoor and camping usage. This is a soft flexible antenna able to withstand more 'roughness' than a stock radio antenna, all while boosting the signal of your radio significantly! </b> <br><b>Specifications:</b>  <br>Frequency: 144/430MHz  <br>Gain: 2.15dBi  <br>Max power: 10 Watts  <br>VSWR : Less 1.5:1  <br>Impedance: 50 OHM  <br>Connector: SMA-F  <br>Length: 39.6 cm (~15.6 inches)  <br>Impedance : 50 ohms  <br>RoHS Compliant  <br><b>Package: </b> <br>2x Booster Antenna  <br>2x Rubber spacer