20GHz Microwave Frequency Counter/ Power Meter/DVM, GPIB and RS-232 Interfaces Standard The Agilent (now Keysight) 53147A is a full featured 20 GHz CW microwave frequency counter, a true power meter, and a dc DVM. It saves rack space in an ATE system and is ideal for installation and maintenance of point-to-point microwave links. The 5314xA microwave counters have the capability to make an accurate power measurement via 848xA thermocouple power sensors. Single, ultra-wideband CW microwave counter input: 50 MHz to 20 GHz Power meter range: -70 dBm to +44 dBm (with Agilent 8480 series sensors) High resolution/accuracy: +/- 50 V DC DVM Resolution: 1s / 1 Hz DC volts and power measurements GPIB and RS-232 interfaces standard