The HP 437B
is a low-cost, high performance, single-channel, programmable, average Power
Meter compatible with the HP 8480 family of thermocouple and diode power
sensors.
Depending on which power sensor is used the HP 437 B can measure from -70 dBm
(100 pW) to +44 dBm (25 W) at frequencies from 100 kHz to 50 GHz.
