. While widely labeled and sold under the Motorola brand, expert forums and user discussions suggest it is often a rebranded or "knockoff" version of the Puxing PX-777
To program frequencies into the MT-777, you need a programming cable (usually a USB-to-K1 plug) and specific software. The official Motorola software (CPS) does work with the MT-777. Instead, you must use generic Motorola Mt 777 User Manual Pdf
Antenna Care: Never transmit without the antenna attached; this can fry the internal circuitry. this can fry the internal circuitry.