Mô Đun Sim900A Smt Loại Gsm / Gprs Sim900 tại Lotte Market
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SIM900A SMT type GSM/GPRS module SIM900 New And Original Parts In store promotion. The module power supply range 4. 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. About Serial. About Power :. Working Current : 50mA ( average).: Còn hàng
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Giới thiệu Mô Đun Sim900A Smt Loại Gsm / Gprs Sim900 tại Lotte Market
SIM900A SMT type GSM/GPRS module SIM900 New And Original Parts In store promotion
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 :
Shutdown Current : 4mA ( reset pin connected to GND circumstances under )
Working Current : 50mA ( average)
Standby Current : 20mA ( transition 0 ~ 20ma)
Emission peak current : 2a ( during registration )