Sim900A 1800/1900 Mhz Wireless Extension Module GSM GPRS Board
SKU: 3414
1) On board two power supply interface VCC5 5 V VCC4 interface 3.5 power supply.4.5 V optional power supply of envelope that (default) and control to start
2) Onboard SMA (default) and IPXmini antenna interface SIM900A reserved interface reset
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Description:
SIM900A Modem is built with Dual Band GSM based SIM900A modem from SIMCOM. It works on frequencies 900MHz. SIM900A can search these two bands automatically. The frequency bands can also be set by AT Commands. The baud rate is configurable from 1200-115200 through AT command. SIM900A is an ultra-compact and wireless module. The Modem is coming interface, which allows you to connect the PC as well as the microcontroller with RS232 Chip(MAX232). It is suitable for SMS, Voice as well as DATA transfer application in the M2M interface. The onboard Regulated Power supply allows you to connect a wide range of unregulated power supplies. Using this modem, you can make audio calls, SMS, Read SMS, attend the incoming calls and etc. through simple AT commands. This is a complete GSM module in an SMT type and made with a very powerful single chip, allowing you to benefit from small dimensions. SIM 900A GSM Modem with serial and TTL outputs
Features:
The computer can provide the power supply of the USB debugging module of the computer
A large amount of data under the recommended current condition is more than 1A
Dozens of waiting for MA data can be configured to provide
Rest, rest of 10 ma of low power.Support 2, 3.4G mobile phone card
Serial port circuit: compatible with 3.3 V single-chip microcomputer
Microcomputer with single chip TTL serial port support 3.3 and 5v
Integrated resources: serial port circuit (with protection)
Antenna interface circuit (SMA curve female port) SIM card circuit
The circuit SIM card to increase the SMF05C ESD chip
Package Include:
1 x Sim900a 1800/1900 Mhz Wireless Extension Module GSM GPRS Board