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Quick Details

  • Products Status: Stock
  • Style: Internal
  • Type: Wireless, Wireless
  • Interface Type: RS-232
  • Transmission Rate: 256Kbps, 236.8 kbps
  • Brand Name: iRZ
  • Model Number: ES75iT
  • Place of Origin: Guangdong, China (Mainland)
  • Housing: plastic
  • Frequency ranges: 850/900/1800/1900 MHz
  • Hibernation mode: Yes
  • Weight: 100 g
  • antenna connector: FME
  • Supply voltage range: 9 V ... 28 V
  • Dimension: 69 * 74 * 33 mm
  • Operating temperature range: -20°C ... +65°C

Packaging & Delivery

Packaging Details Bandbox packing
Delivery Time 1~14days after payment confirmed


ES75iT m2m Industrial gprs modem gsm modem rs232 interface
edge modem
gsm modem rs232
gprs modem
good quality

Industrial gprs modem gsm modem rs232 edge modem






ES75iT is a quad-band (850/900/1800/1900 MHz) GSM modem intended for data transmission

via cellular communication networks. It supports EDGE/GPRS of class 12 and TCP/IP

protocol stack. The modem is available with several standard interfaces: RS232 serial port,

USB connector of type B (USB 2.0), TJ6-6P6C power connector. The main functions include:

data transmission by use of 2.5G technology, as well as reception and transmission of faxes

and SMS-messages. ES75iT has a watchdog timer with the reboot condition setting system.

Programming mode and menu mode are foreseen for updating software file or operating

parameters change, correspondingly. The modem is controlled by standard AT-commands.


iRZ ES75iT is used in:

• banking(ATM, POS)
• SMS Gateway
• Lift Monitoring
• Logistics and vehicle tracking
• Traffic monitoring
• Remote monitoring and Control
• Remote Meter Reading
• Facility Management
• Fire and Security Management
• Environmental Monitoring
• Vending
• Other M2M and data telemetry



• Frequency ranges: 850/900/1800/1900 MHz

• EDGE class 12

• GPRS class 12



• EDGE class 12 – up to 236.8 kbps

• GPRS class 12 - up to 85.6 kbps

• MS class B

• SMS: MT, MO, CB, Text and PDU modes

• CSD up to 14.4 kbps


• Fax group 3: class 1


Available network protocols:


• Control by AT-commands (Hayes 3GPP TS 27.007, TS 27.005)

• Toolkit for SIM-applications

• Timer restart function is realized

• Several options for restarting

• Hibernation mode



• DB9 connector for data cable connection (interface RS232)

• TJ6-6P6C connector for power supply connection

• USB-B USB 2.0

• FME connector for GSM antenna connection


Supply voltage range: 9 V ... 28 V

Supply current not more than:

• At 12 V supply voltage - 200 mA

• At 24 V supply voltage - 100 mA


Physical parameters:

• Plastic housing

• Dimension not more than: 69 * 74 * 33 mm

• Weight not more than: 100 g

• Operating temperature range: -20°C ... +65°C

Product picture:






 Our R&D dept. in Russia:




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