UHF CB Radio detachable antenna – 477MHz, 5m cable, UHF Male, 100W, 8.1dBi – 2.1m

UHF CB Radio detachable antenna, 477 MHz, black, 100W, UHF male PL259, 5m cable, 8.1 dBi - 2.1m

Product code: ZN3-77-12B

The ZN3-77-12B detachable UHF CB Radio antenna offers the high gain which will deliver the maximum transmit and receive range over flat ground. This antenna does not suit hilly or urban environments. The detachable design allows for removal of the antenna top in situations where damage or vandalism may occur or when not in use. Removal of the antenna top is as easy as releasing the tension grub screw and unscrewing the antenna top. Ensure to install the PVC cap onto the spring base connector to stop dirt/water ingression.

high gain UHF CB Radio 477 MHz vehicle mount antenna 8 dBi
high gain UHF CB Radio 477 MHz antenna heavy-duty barrel spring base and RG58 cable
high gain UHF CB Radio 477 MHz antenna grub screw securing ferrule



477 MHz - UHF CB radio


476.4125 - 477.4125 MHz - all 40/80 channels


8.1 dBi - suits flat terrain or high gain requirements


Factory at 1.5:1 VSWR


50 Ohms

H Plane beamwidth

360° omnidirectional ± 0.5 dBd

Maximum Power

100 Watts




Black tapered HD fibreglass radome, clear anodised aluminium ferrule, HD stainless steel spring, 5m RG58 cable, connector and adaptor


FME female fitted to cable for ease of installation, FME male to UHF male PL259 adaptor supplied for coax to radio connection


Height overall: 2.1m, Mount hole requirement: 13mm, External cable: 5 metres

Weight - kg


Why Choose ZCG?

Australian Owned & Manufactured, High Quality RF Solutions Since 1970

Experienced, Knowledgeable In-House Sales Consultants And Technical Support

Quality Certified And Reliable, Trusted Product Support

Contact us now to find out how ZCG can help you