Quantic PMI Model PS-90-2040E is a 0 to 180°, Miniature, Bi-Phase Modulator / Phase Shifter with TTL Control Logic (ECL Logic is available) operating over a frequency range of 1.5 to 4.5 GHz with a maximum insertion loss of 3 dB and VSWR of 2.0:1. This model provides two phase states, namely 0° and 180° and is controlled via single line TTL. The phase state is switched in 75 ns or less and can handle input power levels up to 20 dBm CW. DC voltage requirement is +5 and -12 VDC. Supplied in a package measuring 1.0" x 1.0" x 0.5" with SMA feamle connectors.