SPM-133, Observer Light Duty Speaker Microphone, fits Motorola Motorola Dual Pin From the manufacturer:

From the manufacturer:

Connector X03

Works with the following Motorola radios: GP900

Motorola: GP900

SPM-133, Observer Light Duty Speaker Microphone, fits Motorola Motorola Dual Pin From the manufacturer:Features Observer lightweight, smaller remote speaker microphone. High quality electret condenser style microphone element that produces excellent transmit audio as well as a powerful speaker. For additional privacy and security, this unit also has a built in earphone jack, allowing operation of an optional remote earphone with a standard 3. 5 mm plug. Spring loaded, metal reinforced clothing clip which can be rotated 360 degrees. Durable