Package Included<br />1PCS M590E Module<br /><br />Features<br />1.This module is a standard AT instruction set<br />2.Support at 900M-1800M， GSM frequency band<br />3.Can be connected: MCU for TTL<br />4.GPRS Class 10: Max. 85.6 Kbit/s (DL)<br />5.Coding