The Comet B-10 dual band is a 2 meter and 440 MHz mobile antenna. It provides gain of 2.15 dBi/2.15 dBi. VSWR 1.5 : 1 or less. This antenna can handle up to 50 watts. It has a black, cellular appearance. This antenna is pretuned, but an Allen wrench for adjusting is included. This very sharp antenna is only 12 inches (0.3m) high. The connector type is UHF (for PO mount). The Comet B-10NMO is identical, but with an NMO mount. These antennas do not include the mounts or coax.