Motorola DTR550 2 Units Brand New Two Year Replacement Warranty The Motorola DTR550 Digital On-Site Two-Way Radio portable features enhanced communication options like digital one-to-many public group call. This portable two-way radios provide enhanced performance with greater coverage, longer battery life, caller ID, durable design and full-graphic backlit display. This two-way radio model allows you to users to access up to 20 public and 10 private groups, SMS text messaging, as well as time/date stamp. DTR550 Features Professional Two Way Radio License-Free 30 Floor / 350,000 Sq. Ft. Coverage Area 1 Watt Up to 20 Groups Up to 150 Private Contacts VibraCall Long Battery Life Military Grade Dust Proof Vibration Shock Proof Wide Range of Accessories for Enhanced Communication Caller ID, Recent Call List Group Scan Cloning Capability via Software Polycarbonate Housing Frequency Hopping Prevents Interruption