The 025704 antenna is a unity gain dual-band ground-dependent antenna covering both the bands 157-174MHz and 400-480MHz. It comes complete with a flexible radiator and Stainless Steel Spring. It is ideally suited to emergency services. This antenna has dual-band integration and comes with one base termination for both bands. The 5/16" 26TPI female thread is designed to be used on standard UHF Australian bases. e.g. 02740.