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Features:
1. Can be used to replace SIM800L module on your PCB with minor changes.
2. Can work with a 3.3V or 5V microcontroller.
Pin out: Very similar to SIM800L
Input Supply: 4V-4.4V DC 2A(To support Surge)
DATA Transfer LTE(Mbps): 10 Downlink / 5 Uplink
Power consumption: 300mA; <10mA (sleep mode)
SIM Holder: Micro SIM
SIMcom A7672S 4G LTE chip-on-board
Supports 4G + 2G
Pin Description:
1. NET: pin is where you can connect your Antenna (Same as SIM800L)
2. VCC: Power Supply pin 4V to 4.4VDC (Same as SIM800L)
3. RST: is the reset pin (Same as SIM800L)
4. RXD: is used to send commands to the module. (Same as SIM800L)
5. TXD: pin transmits data from module to microcontroller. (Same as SIM800L)
6. GND: is Ground Pin. (Same as SIM800L)
7. MCU VCC: is the supply on which your MCU works i.e 3.3v / 5V.
8. RING: is a Ring indicator. (Same as SIM800L)