GSM / GPRS
SIM900A 5V V4.0 Kit Wireless Extension Module GSM GPRS Board Antenna Tested
GSM Modem Sim900
- Quad-Band GSM/ 850/900/1800/1900MHz
- Voice Communication Port
- On-Board Voltage Regulator
- Power/Single LED indication
- SMA Connector for Antenna connection
- Compatible with Arduino, raspberry pi, arm, avr, pic, 8051
- Power Supply 12v 1amp to 2 amps max
- Use in the area of full signal strength.
- Perfectly suited for GSM-based Microcontroller Projects (better than SIM300 and other GSM Modems)
- Option for connecting MIC and SPEAKER directly to GSM MODEM for calls (LINE IN also available)
- Supports communication through RS232 with DB9 Connector, TTL Pins and I2C Pins
- CALL SMS GPRS facility - MIC input, LINE input and SPEAKER output pinsX
GSM Modem SIM 300
- Uses SIM300 GSM module transmission.
- Operating Voltage: 7 – 15V AC or DC (board has onboard rectifier).
- Comes with an onboard wire antenna for better reception.
- Can be used for Data/Fax, GSM based Voice communications, TCP/IP stack, GPRS and SMS
- SIM300 allows an adjustable serial baud rate from 1200 to 115200 bps (9600 default).
- Provides RS232 interface for connection to computers and other devices.
- Lithium Battery holder
- Can add external antenna with SMA connectors.
- Power, RING and Network LEDs for easy debugging.
- Provides serial TTL interface for easy and direct interface to microcontrollers.
- Can be controlled through standard AT commands.
A6 GSM GPRS Module Quad Band SMS Voice
- Working voltage: 3.3V-4.2V
- Power voltage> 3.4V
- Standby average current: 3mA
- Working temperature: -30 to + 80
- Supports Quad-band: GSM850, EGSM900, DCS1800 and PCS1900
- Connect onto any global GSM network with any 2G SIM
- Make and receive voice calls using an external 8Ω speaker & electret microphone
- Facility to connect 4-pole TRRS mic and headset
- 8V UART port level – compatible with Arduino, Raspberry-Pi
- Supports serial-based AT Command Set
- Accepts Micro SIM Card
- Send and receive voice calls and SMS messages
- Class 10 GPRS with 85.6Kbps download speed and 42.8Kbps upload speed
- Dimensions: 22.8 × 16.8 × 2.5mm
Antenna GSM-6DBI (Spring)
- Gain:6dBi
- Lower VSWR ≤ 2.0
- Signal stability.
- Cable Length: 3m
- Antenna Height: 28cm
- Polarization Vertical Impedance- 50 Ω
- Material: Metal
- Colour: Black
- Magnetic base
- Operation Temperature: -30~60 degree C
- Humidity: 5% to 95%
- Connector type: SMA Male Plug
- Compact size.
- Good appearance.
- Strong adaptability of environment.
Antenna GSM-2DBI (Spring)
- Gain: 2dBi
- Lower VSWR ≤ 2.0
- Signal stability.
- Cable Length: 3m
- Antenna Height: 28cm
- Polarization Vertical Impedance- 50 Ω
- Material: Metal
- Colour: Black
- Operation Temperature: -30~60 degree C
- Humidity: 5% to 95%
- Connector type: SMA Male Plug
- Compact size.
- Good appearance.
- Strong adaptability of environment.
- Package includes: