Industry Modem (3G) USB, RS232


Industry Modem (3G) USB, RS232

$ 150 $ 120

  • Industry 3G modem
  • Support 2G/3G network
  • Support USB and RS232 serial connection
  • External Long antenna for better signal
  • Strong metal casing
  • Control via Standard AT commands

GT-0688 3G HSPA+ Industry Modem is a based on GSM GPRS EDGE HSPA+ network platform, Support both 2G and 3G network.  With industrial grade design, flexible connectivity, faster text messaging and 3G HSPA+ high-speed wireless Internet access. GT-0688 Can be used in many industries like finance, water conservancy, environmental protection, public security, oil, electricity, postal services, meteorology, telecommunications, transportation, etc .

RS232 standard interface can connect directly to the equipment serial port to enable the messaging capabilities.  The USB interface can connect to PC USB slot directly.


  1. Model: GT-0688
  2. Standard RS232 & mini USB Interface
  3. Industrial 3G HSPA+ MODEM
  4. dual-band UMTS / HSPA+ 900/2100MHz
  5. Quad-band GSM / GPRS / EDGE 850/900/1800/1900MHz
  6. SIMCOM SIM5360 3G HSPA+ industrial communication module
  7. Product Measurement : 85x54x26mm
  8. Standard DB9 (RS232 standard 9-pin) Serial communications,
  9. External input 6V ~ 36V DC, with a voice interface.
  10. Accessories: AC/DC adaptor, DB9 RS232 cable, USB cable, antenna, 2 mounting plates

GT-0688 3G modem is based on the SimCom SIM5360E 3G modules.

Features of SIM5360E 3G module:

dual-band UMTS / HSPA+ 900/2100MHz

Quad-band GSM / GPRS / EDGE 850/900/1800/1900MHz

RS232/USB interface

GPRS multi-slot class 12

EDGE multi-slot Class 12

WCDMA 3GPP release 5

Output Power:

– UMTS HSPA+1900/850: 0.25W

– UMTS HSPA+2100/900: 0.25W

– GSM850/GSM900: 2W

– DCS1800: 1W

– PCS1900: 1W

Input voltage 7.5V-30V DC

Input current 1A-2A

Standby current: 56mA

Working current: 100-140mA

Working temperature: -30 to +80 degrees

Storage temperature:-40 to +85 degrees

Size 85*54*25mm

Weight 100g

Specifications for Data transfer

HSPA+ : Max. 14.4Mbps(DL), Max.5.76Mbps(UL)

WCDMA :  Max.384Kbps(DL), Max.384Kbps(UL)

EDGE Class : Max. 236.8Kbps(DL),Max. 236.8Kbps(UL)

GPRS :  Max. 85.6Kbps(DL), Max. 85.6Kbps(UL)

Specifications for SMS

Point to point MO and MT

Text and PDU mode

Other features

USB Driver for Microsoft Windows 2000/XP/Vista/7/8
USB Driver for Windows CE/Mobile
USB Driver for Linux/Android
Firmware update via USB


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