Mirage Low Profile Unity Gain Black Antenna, 490 – 512 MHz Specific Frequency: 490-512 MHz. Gain dBi: 2.15 dBi. Mobile Antenna Mounting: Type NMO. Antenna Material: Plastic. RF Connectors: No Connector. Maximum Power: 100 W. Item Height: 1.5 in. Color: Black. admin2020-07-21T02:20:19-05:00