This 24″ rubberized whip will provide better range than the original “rubber duckie” antenna.
It also increases the antenna bandwidth for those multi-extra channel units.
Fits all CB radios with a BNC connector on top:
Cobra HH-38, HH Roadtrip,
Midland 75-820, 75-822
Maxon HCB-40WX, HCB-30C and HCB-10C
Cherokee AH-27, AH-100
Magnum 1012
Northpoint AH-27
Many more…

Factory OEM antenna:

Center Frequency Fc = 27.655 MHz with 1.4 SWR
Bandwidth at 2:1 SWR points :
27.205 – 28.525 MHz (1.32 MHz)
Non-Adjustable

HT-1 Antenna Extended fully:

Center Frequency Fc = 27.025 MHz with 1.2 SWR
Bandwidth at 2:1 SWR points :
25.405 – 31.605 MHz (6 MHz)
Adjustable center frequency (change length of the extention)

HT-2 Antenna : (untested)

Center Frequency Fc =
Bandwidth at 2:1 SWR points :
–.— to –.— MHz