ShengDa SB100 Base Station Antenna designed to be end user adjustable for frequencies between 137 and 174 MHz.

Cutting chart supplied for adapting internal element to desired frequency.  

Gain: 4.5dBi , SWR < 1.5:1 

Overall height: 1.7m, weight 1.6 kg

Fiberglass radome,stainless steel radials 

UHF Female connector  

Mounting clamps support 30~62mm dia mast.