GSM/GPRS/GNSS HAT

GSM/GPRS/GNSS HAT Compatible with Raspberry Pi 4B/3B/2B/Zero/Zero W

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Primary Attribute Category: Modules, GPS/GSM, Raspberry Pi {{{userDefinedInfo}}}: {{{userdefinedvalue}}} Brand: Waveshare

Website International: Waveshare website Chinese: 官方中文站点

Onboard Interfaces RPi USB TO UART

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The following conditions must be met simultaneously to use GSM/GPRS/GNSS HAT

• 1) Countries or regions covered by 2G networks
• 2) Use a SIM card that still retains the 2G network operator

Introduction

GSM/GPRS/GNSS HAT, Compatible with Raspberry Pi 4B/3B/2B/Zeo/Zero W

More

Resources

• User Manual
• Schematic
• Source code
• PWRKEY script

3D drawing

• 3D Drawing

Firmware

• Upgrade tools

Related Instruction

• SIM868 PPP Dail-up Networking

Datasheets

SIM868 Related

• SIM800_Series_AT_Command_Manual_V1.09
• SIM868_GNSS_AGPS_Application
• SIM868_GNSS_Application_Note_V1.00
• SIM868_Reference_Design_V1.01(160310)
• SIM868_RF_Design_Application_Note_V1.00
• File:SIM868_Series_Hardware_Design_V1.06

Other Chips

• MP1482
• SMF05C
• CP2102
• NDC7002N

FAQ

Question:The SIM card works with telephone, but cannot register to network with this module?

 Answer:

• Check whether your SIM card supports GSM sevice

Question: Could it power on the module by program instead of button press manually?

 Answer:

• The new version support to power on/off the module by controlling the P4. Old version only support button control
• The new version has a wire beside the SIM chip.

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Question:Is it possible to control the power on and off through the program?

 Answer:

You can control the power on and off through the Raspberry Pi P4 pin.

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Question:Why does it turn off after turning it on?

 Answer:

Please check whether the power supply has 5V, use the computer USB to debug, and pay attention to whether the computer USB cable has 5V output. and point the antenna outward.

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Question:No sound in the caller mic recording?

 Answer:

Headset seat is a 4-segment national standard (also known as OMTP) headset interface, if the American standard (also known as CTIA) headset may appear wheat no sound phenomenon.

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Question:Does it support in the US?

 Answer:

Yes, such as T-mobile.

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Question:Is it possible to use the Raspberry Pi's USB port for control?

 Answer:

Yes, you need to dial the jumper on the board to A and plug the USB cable into the USB port of the Raspberry Pi. It should be noted that the Raspberry Pi 4B needs to be plugged into the 3.0 interface.

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Question:Does it support 3G/4G?

 Answer:

No, the module uses the SIM868 module of simcom, which is a 2G module.

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Question:I can't get the GPRS network all the time. Do I need to set the APN? Is it related to the user password?

 Answer:

If the SIM card provided by the operator needs to set the APN and username and password, you need to set it accordingly. For the setting instructions, please refer to:


Related document refer to SIM800 Series AT Command Manual

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Question:Can the RTC battery save time and other parameters?

 Answer:

No, this battery is for GNSS warm start.

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Support

Technical Support

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