M590E GSM GPRS module Diy kits M590 GSM GPRS 900m-1800m sms CPU MCU test

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

1 X M590E GSM GPRS DIY