used marconi 6960B power meter and 6932 sensor,  -15 dBm to +35 dBm (3W), 30K-4.2GHz, tested result is very accurate (the 437B test port is 50MHz, 0dBm, calibrated). all include:

one Marconi 6960B Power Meter;
one cable from sensor to meter;
one 6932 sensor.

use Fedex ship to world.