PMI Model No. 4SFB-6G18G-BR-SFF is a four independent channel switched notch filter bank with each channel containing a band stop filter and switched RF bypass. Overall passband is 6.0 to 18.0GHz. The four filters are identical and are gang switched by a single control line, maximum input power is +24dBm and the input P1dB point is +18dBm.