Chonghan CH-M2, User Manual

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Introduction
With the development of wireless communication technologies, wireless products are being
adopted in numerous industrial and civilian fields. Shenzhen Chonghan Co., Ltd. a leader of wireless
communication equipment manufacturer releases the CH-M2 Series Wireless Modems, which
support various frequency bands of WCDMA / EV-DO/ TD-SCDMA/LTE, and provide industrial
terminal solutions for 3G communication. As a wireless modem, it support AT command set via
USB interface.
CH-M2 series wireless modem adopts industrial level modules, specially designed for the
complicated industrial environment which compatible with EMC, and will be your best choose of
wireless communication.
Features

AT command interface

Support WCDMA / EV-DO / TD-SCDMA/LTE

Support Voice, SMS and CSD

Dial up, data communication

Support APN or VPDN

LED: power, cell

Interface level: USB

Watchdog(software and hardware)

Steel shell for anti-electromagnetic interference
Specification
Product Network frequency band Operating
Temperature humidity
CH-M2G6H13-400 HSPA+ UMTS: Band1/8
EDGE/GPRS/GSM:
GSM850/EGSM900/DCS1800/PCS1900 -10°C~+55°C 5%~95%
CH-M2G6H16-400 HSPA+ UMTS: Band1/2/5/8
EDGE/GPRS/GSM:
GSM850/EGSM900/DCS1800/PCS1900 -10°C~+55°C 5%~95%
CH-M2C3Z8-400 EV-DO 800MHz,1900MHz -20°C~+65°C 0%~95%
CH-M2G7Q3-400 LTE TDD-LTE: Band38/39/40/41
FDD-LTE: B1/B3/B8
TD-SCDMA: Band34/39
WCDMA: Band1/8
CDMA 1x/EVDO:BC0
GSM: 900/1800 -20°C~+70°C 5%~95%