The modem follows plug and play operation with on board RS232 interface for communication and follows standard AT command set. All Itemsĭescription: Dual band (900MHz/MHz) GSM/GPRS Modem with very advance SIM900/Sim900A GSM module. USB Driver CD (FT232R) Please Visit for Download AT Commands & USB Drivers: Rules and Regulations: 1.USB Driver (FT232R) Please Visit for Download AT Commands & USB Drivers: Rules and Regulations: 1.Also don't tighten the screws of the antenna too much, just make sure it is connected properly without exerting too much force to tighen the antenna. Please be very gentle with the SIM card tray while inserting or removing the SIM card. We recommend to use a 12V DC 2 Amps power supply & Use USB Cable to Connect GSM MODEM to PC or Laptop. NOTE: The modem consumes current of nearly 1A during transmission please make sure that your power supply can handle such currents.
#SIM900 SMS MAC TERMINAL MAC OS X#
Supports Windows / Vista / Server / XP / SE / MaC OS X / Mac OS 9,Linux 3.x.x / 2.x.x.
Ft232 R Based USB communication- Better and Faster than other Cheap USB Drivers. Can accept commands through Hyper Terminal. Can do basic functions which can be done via normal phone like calling, send sms, access data through GPRS etc. On board Power, Network, Ring and status LED’s for indication. Speaker and Microphone pins onboard for voice Communication.
#SIM900 SMS MAC TERMINAL SERIAL#
Provides serial TTL interface for easy and direct interface to microcontrollers. Also can accept commands from microcontroller UART. Accepts commands through On board USB serial. Features: U ses the extremely popular SIM900A GSM module. Best suited for GSM based Microcontroller Projects (better than SIM300 and other GSM Modems) **** Can be Use for Bulk SMS sending using Compatible software. The GSM/GPRS Modem is having internal TCP/IP stack to enable you to connect with internet via GPRS. The baud rate is configurable from through AT command. The frequency bands can also be set by AT Commands. SIM900A can search these bands automatically. Modem is built with Quad Band GSM/GPRS based SIM900A module from SIMCOM. The modem consists of all the external circuit required to start experimenting with the SIM900A module like the power regulation, external antenna, SIM Holder, etc. It can be connected to PC or laptop via USB directly or to a microcontroller UART using TTL levels. Walnut GSM/GPRS Modem USB The GSM/GPRS Modem USB uses SIM900A based Quad band MHz GSM / GPRS module.