Diamond Antenna CX-210A Heavy Duty Wideband Coaxial Switches are two-position coaxial switches providing very low loss and high isolation. They are rated DC to 1,000 MHz and can handle up to 1,500 watts CW at HF frequencies. These switches utilize UHF female/SO-239 jacks for input and output. Please see the details below for complete power-handling characteristics. Diamond Antenna CX-210A Heavy Duty Wideband Coaxial Switches will usually satisfy your antenna switching requirements. * Frequency: 0-1,000 MHz * Power 0-30 MHz: 1,500 watts CW * Power 30-150 MHz: 1,000 watts CW * Power 150-500 MHz: 500 watts CW * Power 500-1,000 MHz: 250 watts CW * Insertion loss 0- 500 MHz: 0.05 dB * Insertion loss 500-1,000 MHz: 0.1 dB * Isolation 0- 200 MHz: 70 dB * Isolation 200-1,000 MHz: 60 dB * Impedance: 50 ohms * Connector: SO-239 for input and outputs * Size: 2.8 x 1.8 x 3.7 in. * Weight: 15.2 oz.