The DPBP 70/3333-20-TETRA from Amphenol Procom is a 2 x 6 Resonator Bandpass Duplex Filter designed to combine TETRA 380 - 400 MHz and 410 - 430 MHz to one common feeder. It has an insertion loss of less than 0.7 dB and provides an isolation of more than 60 dB in the stopband. The filter can handle up to 200 W of input power and has a VSWR of less than 1.5:1. It uses reduced-length ¼ ? cavities in a compact, strong aluminium housing and has built-in DC block between all ports. The filter is available in a module that measures 218 x 300 x 105 mm with N-Type (F) connectors.