Κανένα προϊόν
Μεγαλύτερη προβολή (SKU): SIM900A
Mini GPRS GSM Module SIM900A Wireless Extension Module Board Antenna
Διαθέσιμο
About Power
The module power supply range 4.4V ~ 5.5V, can switch power to the GSM module 5V power supply, power supply output current to be able to reach 2A, but remember , do not be greater than 5.5V, otherwise it will burn ! ! !
About Serial
This module is TTL level interface, it can be directly connected to the MCU , ARM, without conversion devices, and computer links need USB to TTL module to communications , not with RS232, RS485 and other serial link , the module will burn !
About Power :



