Introduction
The WP-5231PM-4GE-CE7 is equipped a Cortex-A8 CPU (1GHz) and running a windows CE 7.0 operating system. The optional I/O expansion board, XV-board, provides highprotection I/O. Using the built-in Flash and microSD, the WP-5231PM-4GE-CE7 can save application program, image file and data. The 4G module of WP-5231PM-4GE-CE7 work on frequencies of WCDMA 2100/1900/900/850 MHz, FDD LTE:B1/B3/B5/B7/B8/B20 and GSM 850/900/1800/1900 MHz. These modules utilize the 4G and 3G network for convenient and inexpensive data transfer from remote instruments, meters, computers or control systems in either live data or packet data. These modules has the integrated TCP/IP stack so that even simple controllers with serial communications ports can be connected to the modem without the need for special driver implementation. With the features of theirs, the systems can be SMS and GPRS and 4G or 3G connection applications with our PAC.