The 3SFB-225/Q512-O from K&L Microwave is a Switched Filter Bank with passbands from 225 - 300 MHz, 300 - 400 MHz and 400 to 512 MHz. It is designed to filter spurious and harmonic signals generated by high-power amplifiers and transmitters. The filter has an insertion loss of under 1.5 dB and more than 50 dB of rejection. It can handle up to 47 dBm of power and has a switching speed of 16 micro sec. The module has been designed to manage the thermal concerns that arise with high power products and features an on-board high-voltage generator powered from the 28 VDC supply. It is available in a module and is ideal for military, radio and transmitter applications.