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Shenzhen guo jue electronics Co., Ltd.

Shenzhen Bailingjia Technology Co., Ltd, a Hi-Tech Enterprise dedicating to the wireless communication domain, engages in R&D, manufacture and sales of wireless products.

AT International Group Co., Limited is a leading factory in China, specializing in RS232, PCI, USB, PCMCIA & Express GSM/GPRS/CDMA industrial modems, 3G HSDPA/HSUPA/EDGE modems and modem cards, PCI&RJ45 USB GSM/GPRS/CDMA 8/16/32/64 port modem pools, wireless communication parts and various cables for digital electronic products (GSM/CDMA Alarm systems). Our devices are in compliance with RS-232 and USB interface standards and have direct connectivity with RTU PLC. Intelligent instruments and other types of industrial devices are connected to next-bit machines, using a transparent means of communication, so non-IP system equipment through the serial ports is easy to access CDMA /GPRS network and Internet.