As wireless communication becomes more prevalent so does the need to connect Land Mobile Radio (LMR) systems with commercial cellular LTE networks. Interconnecting these systems effectively is challenging because they do not share the same voice coding technology, known as a vocoder. Transcoding between the AMBE+2™ vocoder used in LMR networks and the Advanced Multi-Rate (AMR) vocoder used cellular LTE networks can lead to the loss of intelligibility, increase delay and interfere with communications security. By utilizing the AMBE+2™ vocoder in both LMR and LTE systems transcoding is not required and communication intelligibility is maintained.

Bullet Points to “learn about:”

• It’s becoming increasingly popular to connect Land Mobile Radio (LMR) networks with commercial cellular LTE networks
• Not all digital wireless systems are compatible with one another if they do not share the same voice coding (vocoder)
• Transcoding from one vocoder to another can lead to the loss of intelligibility, increased delay and security interference
• Communication systems utilizing the same vocoder end-to-end eliminate transcoding issue

Learn more about End-to-End Vocoder Integration.

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