The DP-168 and CP-168 is series products, features same compact and tiny design. As the upgraded version, DP-168 mixed the analog and digital communication mode, allow users to easy migrate from analog channel to digital channel.
DP-888 used TDMA Tier 1 & Tier 2 technology, which is easy migrating from analog channel to digital channel. With the compact and light weight design, it allows users using this radio in any application area.
TDMA preserves the full channel width and divides it into alternating time slots that can each carry an individual call.
DM-600 used TDMA technology & maintains that two-slot 12.5KHz TDMA-based systems.