Hot Spot:l Gain: 144MHz (2.15dBi)l Max Power: 100Watts. Description: 1. All of our items are brand new.2. Connector: NMO.3. Band: Single Band / 144MHz.4. Frequency: VHF/136-174MHz.5. Gain: 2.15dBi.6. Max Power: 100Watts.7. V.S.W.R: Less than 1.58. Impedance: 50ohm.9. Polarization: Vertical.10. Lighting Protection: Direct Ground.11. Radiation: Omni.12. Antenna Length: 51.5cm.13. Connector Size: 28mm (Diameter).14. Antenna Weight: 159g. Pocket includes:1 X Single Band 144MHz 100W Mobile Car Radio Antenna