MOTOTRBO DP4000E SAFETY FEATURES This series of intelligent voice & data hand portable two-way radios from Motorola Solutions come in either a standard or GPS model and have available a number of safety features which we can activate at any point to protect your lone workers and ensure they always have a means of communication open to them which isn’t reliant on a cellular signal or WIFI connection. The MOTOTRBO DP4000e Series is based on – MOTOTRBO DP4400e and DP4401e – No screen or keypad (GPS model) MOTOTRBO DP4600e and DP4601e – Screen and half keypad (GPS model) MOTOTRBO DP4800e and DP4801e – Screen and full keypad (GPS model) MOTOTRBO DP4401 ATEX – No screen or keypad (GPS model) MOTOTRBO DP4801 ATEX – Screen and full keypad (GPS model) MOTOTRBO LONE WORKER SAFETY FEATURES Radio Check – this feature allows you to determine if another radio is active in a system without disturbing the user of that radio. No a...