The A6P-39A-4CF from GT Microwave is a Digitally Controlled PIN Diode Attenuator that operates from 0.5 to 2 GHz. It provides an attenuation of up to 64 dB (±3.5 dB flatness) in 0.25 dB steps and has an insertion loss of 2.4 dB. The attenuator is digitally controlled via 8-bit TTL compatible binary logic and has a switching speed of 7 µs. It can handle up to +20 dBm CW or 1 W of input power and has a VSWR of less than 1.75:1. The attenuator is available in a module that measures 3 x 2 x 1 inches.