Diamond SRHF 40A stroomvoorziening resulting in unparalleled precision for resulting in unparalleled precision for your receiving equipment No humming transformers and no fan noise – the SW102 operates entirely on convection cooling This antenna has a length of 40cm and a maximum power of 10W The Diamond SRHF 40A is a very flexible portable UHF VHF antenna for the 2m and 70cm band