SIM808 instead of SIM908 module GSM GPRS GPS Development Board IPX SMA with GPS Antenna available for Raspberry Pi for arduino - ASK Electronics
GPS/GSM Module - Magictale Electronics
Micro Usb Sim868 Gsm/gprs/bluetooth/gps Module Support Microphone With Antenna For Raspberry Pi For Arduino - Integrated Circuits - AliExpress
SIM808 Module GPS GSM GPRS Quad Band Development Board
Amazon.com: Wireless Quad-Band GSM/GPRS/GPS Shield Based on SIM808 Onboard CP2102 MIC29302 Phone Talk Speaker Module @XYGStudy : Electronics
SIM808 Module GSM GPRS GPS Development Board IPX SMA with GPS Antenna for Arduino Raspberry Pi Support 2G 3G 4G SIM Card|Integrated Circuits| - AliExpress
GSM-GPS click — board with SIM808 module
Waveshare 19918 GSM/GPRS/GPS Shield (B) (no PA), 44.90 €
A7 GPS GSM GPRS Module SMS Voice Development Minimum System Board for STM32 51 | eBay
Adafruit FONA 808 Shield - Mini Cellular GSM + GPS for Arduino : ID 2636 : $49.95 : Adafruit Industries, Unique & fun DIY electronics and kits