Sparr Electronics Ltd manufactures Micro Controller Based Line Powered Auto Dialler. Sparr Electronics Ltd is an ISO 9001:2000 certified company. The Company also offers Serial to LAN Converters, RFID reader/writer, Data Converters, GSM/GPRS/GPS products, Diallers, etc. The Micro Controller Based Line Powered Auto Dialler obviates the chore of dialling the server number, dialling the user ID and password and then dialling the destination number, every time a user wants to send a fax. The Micro Controller Based Line Powered Auto Dialler has built in 2KB EPROM, 128 Byte RAM. This Auto Dialler unit has DTMF transceiver which is coupled to the incoming line with a standard DAA. This Auto Dialler unit has 567 tone detectors. This Auto Dialler has line impedance of 600 ohms.
