The CMIDDT-A216-111 from Quantic Corry is a RF Variable Attenuator with Frequency 100 to 500 MHz, Attenuation Range 63 dB, Insertion Loss 4 dB, Switching Time 200 nS, Supply Voltage 5 V. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for CMIDDT-A216-111 can be seen below.