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FCC Part 90 Narrowband Compliance

Click HERE to read the Vertex Standard FCC Part 90 Narrowband Compliance Fact Sheet

Play the audio files below to hear the difference between the 12.5KHz and 25KHz bands

Mixed Bands 12.5KHz-25KHz Companding
Mixed Bands 25KHz-12.5KHz Companding
Normal 25Khz-25Khz Companding
Motorola Vertex iCom Kenwood