Centurion G Speak Ultra GSM modules for sale in Kenya The G-SPEAK ULTRA is a wireless, mobile-based intercom system consisting of a combined gate station and GSM module. The integral GSM module enables up to four different users to answer the intercom from their mobile phones for maximum security and convenience. In addition, the presence of configurable channels makes it possible to monitor and control a plethora of electrical appliances such as gate motors, electric fences, and pool pumps.
