Feature
For the following models：
Motorola handheld transceivers: HT750, HT1250, HT1250LS, HT1550, HT1550XLS, PTX700, PTX760, PTX780, MTX850,
MTX850LS, MTX8250, MTX8250LS, MTX950, MTX9250, PRO5150, PRO5350, PRO5450, PRO5550, PRO5750, PRO7150, PRO7350,
PRO7450, PRO7550, PRO7750, PRO9150, GP140, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP650, GP680, GP1280.