This Module is a standard AT instruction set
Support at 900M-1800M, GSM frequency band
Can be connected: MCU for TTL
If you need datashee, please leave the mailbox, I will send mail to you.
If you test after ,no TCP connection,Please try to send:AT+XISP=0
1PCS * M590E GSM GPRS Module 900m-1800m Sms Message Diy Kits M590 Sms CPU MCU Test
M590E GSM GPRS Module 900m-1800m Sms Message Diy Kits M590 Sms CPU MCU Test