reh320

security and safety equipment: 1.Quad band 2.SIM900B module 3.20 wireless and 4 wire zones 4.CE ---------------------------------------------------------------------------------------------------------security and safety equipmentsecurity and safety equipment:1.Quad band2.SIM900B module3.20 wireless and 4 wire zones4.CE, RohsREH320main features:1.Use SIM900B GSM module---industrial module .Two- ...