The new smartphone Ruggear perfectly meets the needs of businesses for their critical communications in PTT (Push-to-talk) mode and can be used on all networks worldwide. Robust, slim and handy and adapted to the needs of field professionals: it has a large PTT button on the side, an SOS button for lone workers and a switch button for individual or group PTT calls, as well as 2 buttons freely programmable. The smartphone can be used in noisy environments thanks to the very good audio quality offered by its 103 dB speaker. The side-mounted fingerprint sensor unlocks the device quickly and securely. Users can connect a headset or remote speaker mic via the professional and secure 13-pin jack or use a remote speaker mic via Bluetooth. Other accessories can be used: belt clip, desktop charger, multi-charger and car holder. The RG880 has passed military testing (IP68, MIL-STD-810H, with 1,5m drop protection and 1,2m water resistance) and can therefore be used in environments difficult work conditions, in heavy rain or snow, despite extreme temperature variations or in humid environments.