... ; 3.Build-in watch-dog; GPRS ModemGPRS Modem SpecificationOutdoor LED display is widely used as new media ... to a PC or remotely controlled by SMS through the GSM mobile communication network. For the first solution ... limited.Now, there is another solution, GPRS Modem. GPRS Modem allows the user to build a wireless, real ... mode, such as 1/16, 1/8, 1/4, 1/2 and 1/1APPLICATIONSGPRS Modem - Webled is used ...