This Module is a standard AT instruction set
Support at 900M-1800M, GSM frequency band
Can be connected: MCU for TTL
If you test after ,no TCP connection,Please try to send:AT+XISP=0
Voltage:5v
Vurrent:1A
Frequency:900/1800
Size50mm*50mm
Package Included:
1PCS M590E GSM GPRS Module 900m-1800m Sms Message Diy Kits M590 Sms CPU MCU Test
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