
SIM900A V4.0 GSM GPRS Wireless Kit
The SIM900A V4.0 GSM GPRS module supports 2G/3G/4G SIM cards and operates on 5V or 3.5–4.5V input. With TTL serial compatibility (3.3V/5V), ESD protection, dual antenna options, and low power standby, it ensures stable wireless communication.
(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
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