The D.E.S.K. GPRS Channel features: * Supervised Two-way Wireless communication. * No range limit. Operating from everywhere with GSM/GPRS coverage. * Very fast Event transmission: 2-5 seconds for Event Transmission + Acknowledge from the Central Alarm Monitoring Station (CAMS) - comparable to 2-way Long Range Radio transmission. Much better that One-way Radio (for multiple messages) and Tel. Channel transmission speeds. * All GPRS End Units are fully supervised. Supervision signal interval can[...]