Motorola APX 7500 Broschüre - Seite 3

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"Providing cross-discipline interoperability and

increased functionality, APX is a cutting-edge

tool for communications."

Photo courtesy of U.S. Customs and Border Protection, Gerald L. Nino

Advanced Technology Provides an Answer

FDMA (Frequency Division Multiple Access) is a proven technology that is widely

used today in radio systems and is part of Project 25 Phase 1. FDMA carries one

call per channel. TDMA (Time Division Multiple Access) will be part of P25 Phase

2 requirements and it provides double the voice capacity. Customers can add

more users to their system or more data services without the need for additional

frequencies or infrastructure.

The APX radios support both P25 Phase 1 and Phase 2 technologies seamlessly.

Using Motorola's unique Dynamic Dual Mode (DDM) capability, the radios

dynamically switch between FDMA and TDMA without the user having to

change channels. This provides complete interoperability and flexibility to

communicate with existing and future networks.

APX is Fully Compatible with the Motorola ASTRO 25 Network

APX 7500 multi-band radios were designed to work with ASTRO 25, Project 25

standards-based communications networks. With integrated voice and data

capabilities, the ASTRO 25 network offers improved communications between

multiple agencies, from everyday operations to disaster response.

– Eugene Vardaman, Executive Director,

North Carolina Criminal Justice Information Network