GSM Trainer (VPL-GSMT)

FEATURES

• Based on 89C51 family based processor.
• 40x2 LCD for Display interface and Keyboard entry through IBM PC Keyboard.
• It has hardware block for doing various experiments:
  • - Mic input with conditioning circuit.
  • - Keyboard matrix (5x4) for scanning the key codes.
  • - Audio output on Headset.
  • - With LCD of 40x2.
  • - SIM socket.
  • - Buzzer.
• Understanding of various functions with the use of AT commands.
• Various SIM signals like Card Read, Card Clock, Card Presence, Card Data are available for debugging.
• With buzzer provides for incoming call.
• External antenna for capturing the incoming signal.
• Various examples using AT commands are given for Phone dialing, SMS Read, Write, Phone book, General purpose I/O lines, Keyboard interface to Modem are given.
• Modem can operate through PC as well as standalone system directly.
• In-built power supply.