3G and GPS Shield for Arduino or Standalone Operation via USB
... of voltage for digital or analogy pins is 2.8V.
Radio Features The SIM5218 is a quad-band GSM/GPRS/EDGE and ... with an input voltage range between 2.65V and GND
- 2.8V LDO power output
- 4-bit microSD card interface (file system up to 32GB ...