MOTODEV > Products > Two-Way Radios

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The GM399 is designed for professionals who need advanced features and high flexibility. It is a sophisticated, yet user-friendly communication solution for efficient mobile teams. The GM399 supports major 5-tone selective signalling standards. This radio also supports an interface that allows third-party developers to create applications that run on a separate option board to control, modify or expand the functionality of the radio. Available in Asia and the Pacific Rim.

Design & Build
Test & Certify
Market & Sell

Get all the information you need to successfully develop for the GM399.

Get acquainted with the features and functions of the GM399 two-way radio, and learn about the Professional Radio Application Developer Program.

Professional Radio Application Developer Program Overview [PDF, 31KB]
Becoming a Professional Radio Developer [PDF, 151KB]
Becoming a Professional Radio Developer (Latin America/Caribbean, available in English, Spanish and Portuguese) [ZIP, 2MB]

Download all of the available documentation to get started today.

PROIS Radio Products [PDF, 319KB]

Discover the benefits of the Professional Radio Application Developer Program. Download the documents for your region to get started.

PROIS: Asia and Pacific Rim [ZIP, 118KB]
PROIS: Europe, Middle East and Africa [ZIP, 531KB]

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MOTODEV members may search our support database for answers to commonly asked development questions or submit bugs or questions to our developer technical support experts.

Ensure that your application provides the world-class experience Motorola users expect by taking advantage of these resources.