The ET-R30 is a UHF digital portable radio built for professional use, featuring a relay function that supports up to 30 jumps for extended communication range. It includes automatic networking, voice broadcast, voice control, busy channel lock, DTMF, QT/DQT, and remote kill/activate/monitor capabilities. With a high-capacity 3800mAh battery and compact design, it is suitable for field operations, security, logistics, and team-based activities.