The Model 3115 has excellent gain and VSWR characteristics. This antenna is small and portable with a length of 24.4 cm (9.6 in). The feed system uses a Precision Type N female connector so the antenna can handle considerable power with low losses above 12 GHz. The Model 3115 has uniform gain throught its frequency span, providing efficient performance characteristics and directionality. Constructed of light-weight corrosion-resistant aluminum and fiberglass, the 3115 will provide years of trouble-free indoor and outdoor service. 1 GHz - 18 GHz.