NSG Comet CA-2X4SRNMO - 140-160 MHz/435-465 MHz Dual Band Antenna with 1 Yr Warranty PreTuned DualBand Wide Frequency Mobile Antenna! Operates 140-162Mhz and 435-465Mhz! Great For Amateur, Commercial and Public Safety Transceivers! Fits Optional Mounts Having The Standard NMO Style Base Thread.