The 312 Series from Spectrum Control is a Integrated Microwave Assembly with Attenuation 40 to 45 dB, Current 50 to 75 mA (Supply), Frequency 1050 to 1730 MHz, Gain 16 to 40 dB, Input Power 5 dBm (CW). Tags: Module with connector. More details for 312 Series can be seen below.