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- Order number: MGSL10050
- Manufacturer product ID: S13
Connect your Raspberry Pi to GSM/GPRS cell phone network with this shield. This Raspberry Pi GSM/GPRS shield lets you connect to the internet in the areas where is devoid of Wi-Fi or Ethernet. Quectel M66 module is the heart of this Raspberry Pi add-on. M66 is a quad-band GSM/GRPS module based on the latest 2G chipset which has the optimal performance in SMS & Data transmission and audio service even in harsh environment. You can plug a headset and make a call to someone easily.
Both UART and USB communication with the M66 GSM module is available. The shield can be used easily via easy-to-use AT commands.
The compact form factor, low power consumption and extended temperature make M66 one of the best choices for M2M applications such as wearable devices, automotive, industrial PDA, personal tracking, wireless POS, smart metering, telematics, and more.
- Fully compatible with Raspberry Pi models that have the 40-pin GPIO header (3, 2, B+, A+, Zero)
- High Data Speed: GPRS Multi-slot class 12, 85.6kbps downlink and 85.6kbps uplink data rates
- Quad-band: 850/900/1800/1900MHz
- Built-in PCB antenna, also there is an external antenna port available
- Supported Protocols: TCP/ UDP/ PPP/ FTP/ HTTP/ SMTP/ CMUX/ SSL
- Quectel’s QuecLocator Feature, lets you get the location without GPS/GNSS
- Extremely low standby power consumption by M66, 1.3mA at DRX=5
- Efficient and low quiescent current regulator circuit can hold up to 3.6A
- Bluetooth Function, V3.0 specification, SPP and OPP profiles available.
- Micro SIM Card socket can easily reachable on the downside of the shield.
- Can be used standalone with PC/Laptop over micro USB, without stacking with Raspberry Pi thanks to FTDI chip on the shield.
- Sending/Receiving standard V.25ter AT commands over UART port to Raspberry Pi is available
- Working temperature range: -30°C to +80°C
- Smart farming sensor
- Smart cities sensor
- Smart home sensor
- Internet of Things (IoT) sensor
- Smart door lock
- Smart lightning
- Smart metering
- Bike sharing
- Smart parking
- Smart city
- Security and asset tracking
- Home appliances
- Agricultural and environmental monitoring
- Long Header: If you plan to attach another Raspberry Pi HAT or add-on board on top of the GSM/GPRS, you will definitely need this variation. Also, using GPIOs with jumper cables is possible with these male headers.
- Short Header: Are you going to use the GSM/GPRS shield only, will not add another Raspberry Pi HAT or shield on top of it? Or you’ve already attached a board with a long header on Raspberry Pi and you’re planning to plug this shield on top? This header option is suitable for you.
- Without Header: If just the plugging GSM/GPRS shield via micro USB cable to Raspberry Pi is enough for you, or you’ve already attached a bulky shield on Pi, doesn’t need UART communication, this slim, headerless shield works greatly. For knowing what you missing without headers, take a look at the Pinout Diagram of the shield, these pins will be unconnected.
USB: If you don’t want to occupy UART port on the Raspberry Pi, you should slide the available communication switch on the shield to USB and plug the shield via micro USB to Raspberry Pi. You can start to send and receive AT commands over USB thanks to ‘USB to serial UART translator chip’ on the shield.
UART: The UART pins will be available to use, with 3.3V power domain, directly connected the UART port of Raspberry Pi. Be sure the communication switch on the shield already switched to Pi side.
GPRS Class 12:
Max. 85.6kbps (Downlink)
Max 85.6kbps (Uplink)
CS 1, 2, 3, 4
Point-to-point MO and MT
SMS Cell Broadcast
Text and PDU Mode
Speech Codec Modes:
Half Rate (HR)
Full Rate (FR)
Enhanced Full Rate (EFR)
Adaptive Multi-Rate (AMR)
- Jamming Detection
- Audio Record/Play
- QuecFOTA™, QuecCell, QuecFile, QuecLocator
- RIL for Android
|Pin Number||BCM Pin||Pin Name||Description|
|2||5V||5V PWR||This pin is connected to the 5V power net.|
|4||5V||5V PWR||This pin is connected to the 5V power net.|
|8||UART RX||M66 TX||This pin functions as the serial data input to the module for UART communication.|
|10||UART TX||M66 RX||This pin functions as the serial data output from the module for UART communication|
|15||GPIO 22||USER LED||User led pin. When high, USER LED is open.|
|35||GPIO 19||VDD EXT||When M66 power on, VDD EXT pin switched to High level. You can detect M66 statement with this pin.|
|37||GPIO 26||M66 PWRKEY||The module can be turned on by driving the pin M66 PWRKEY to a HIGH-level voltage more than 500ms then pulling it down. You can apply the same process to power down to the module if it already powered up.|
|6,9,14,25,30,34,39||GND||GND||This pins are connected to ground.|
|Pin Number||BCM Pin||Pin Name||Description||Min||Typ.||Max.||Unit|
|2||5V||5V PWR||Power Supply||4.8||5||5.25||V|
|4||5V||5V PWR||Power Supply||4.8||5||5.25||V|
|8||UART RX||M66 TX||UART||3||3.3||3.6||V|
|10||UART TX||M66 RX||UART||3||3.3||3.6||V|
|15||GPIO 22||USER LED||Output||3||3.3||3.6||V|
|35||GPIO 19||VDD EXT||Input||3||3.3||3.6||V|
|37||GPIO 26||M66 PWRKEY||Output||3||3.3||3.6||V|
You can download the schematic of GSM/GPRS Shield from this Github repository.
- POWER LED: When the module is powered up, this RED led turns on.
- USER LED: The GREEN user led can be controlled by driving the 22nd GPIO.
- STATUS LED: This BLUE led indicates the status of the connection. When the connection is established and data is being transmitted/received, this led will blink at special intervals. Please find the following chart for details:
|Off||The module is not running.|
|64ms On/800ms Off||The module is not synchronized with network.|
|64ms On/2000ms Off||The module is synchronized with network.|
|64ms On/600ms Off||The GPRS data transmission after dialing the PPP connection.|
You can download the 3D design files(STEP, IGES) of the Sixfab GSM/GPRS from this Github repository.
|With Short Header||16.2||gr|
|With Long Header||19.7||gr|
- 1x Sixfab GSM/GPRS Shield for Raspberry Pi