NOTICE: NOT pre-programmed with GD77 yet, contact us for necessary files and guides
DMO True2-Slot dual time slot: Direct mode dual-slot communication achieves two groups of calls at afrequency point at the same time, so that the communication efficiency is doubled and frequency resources are saved
Digital and analog compatible, smooth over: Support DMR digital and analog two communication modes to ensurethat the original analog products smooth transition to digital products tomeet different communication needs
Digital signaling function: Rich calling modes that support DMR protocol, including single callgroup call and all call; supports remote inhibit function and other applications
SMS function: Supports SMS, text editing and draft in 64 characters in Chinese andEnglish, so that text messages calls can be sent when voice call isinconvenient
