The Electro-Metrics EM-6888 Radiating Stub fulfills the requirements of MIL-STD- 461D/462D, RE102. It is used as a reference standard to verify that the performance of calibrated antennas has not changed over time.

The EM-6888 covers from 30 MHz to 18 GHz. The required signal is injected into the unit via a Type “N” connector from any suitable 50 ohm signal source.

The base of the unit 5/8 – 11 threaded receptacle for mounting to a tripod.



Frequency Range: 30 MHz – 18 GHz
Connector: Type N


Shape: Disk
Diameter: 10.2 cm (4.0”)
Over Connector: 12 cm (4.7”)
Base: 3.2 cm (1.26”)
Stub: 8.8 cm (3.45”)
Weight: 398 g (14 ounces)

Product Sheet