ITEM NAME:SIM800L-GPRS Transfer Board Micro SIM GSM Description: TTL serial interface compatible with 3.3V and 5V Microcontrollers,compatible with . This SIM800l module has a set of TTL level serial interface, a set of power supply interface. Besides, there are a set of antenna interface on this module. 100% New and High Quality Network support: Quad-Band 850 / 900/ 1800 / 1900 MHz, it can transmit Voice, SMS and data information with low powe 5v Power interface Power the module VDD TTL UART interface The TTL UART serial interface, you can connect the MCU like 51MCU or ARM or MSP430 directly. The pin of VDD is used to match voltage of the TTL. Model: SIM800L Work voltage: 3.7~5V Size:40mm*28mm*3mm Material: Metal Package Includes: 1x SIM800L GPRS GSM Module 1x Antenna SKU: ALU0019962651001401.Besides, there are a set of antenna interface on this module. Model: SIM800L. 1x SIM800L GPRS GSM Module. Network support: Quad-Band 850 / 900/ 1800 / 1900 MHz, it can transmit Voice, SMS and data information with low powe.