The Diamond CR320A triband is a 2 meter, 220 MHz (1.25 meter) and 440 MHz mobile antenna. It is a 1/4 wave on 2 meters providing 2.15 dB gain and a 1/2 wave on 220 providing 3.8 dB gain and a 2 5/8 wave on 440 MHz providing 5.5 dB gain. This antenna can handle up to 200/100/200 watts.

This antenna is approximately 34 inches (0.94 m) high. The coils and antenna are black. The connector type is UHF (for PO mount). This antenna does not include the mount or coax.