Hardware Specifications. SIM800 Quad Band GSM Module. Voltage Supply- 3.7VDC to 4.2VDC.
Serial Communication With Gsm Modem Sim900a. 5/31/2017 0 Comments. The SIM900 modem has a SIM900A GSM chip and RS232 interface while enables easy connection with the computer or laptop using the USB to Serial. Manufacturer of Automatic water level controllers - Water Level Controller Board, Water Level Controller Board (DOL Control), Water.
GSM- Speaker, Mic, TTL Rx and TTL Tx Outputs. Provision for GSM Antenna Applications. GPRS Connectivity for serial/legacy devices such as Energy Meters, SCADA Systems, PLC, Machine Automation devices, RFID etc. Accurate timing for clocks and other systems from GPRS. GSM/GPRS based reporting systems UNIQUE ADVANTAGES. This device is completely our own development.
Almost any modification that is possible can be done on custom requirement. Tested for reliability and ruggedness. Repairable. Made in India.