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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: HOMTECS
  • Model Number: V20 Series
  • color: black red
  • Products Status: Stock
  • Function: Offline Protection
  • Type: External 3/4g modem
  • LAN Ports: 1
  • WAN Ports: 1
  • Certification: CE ROHS
  • Rx Sensitivity: <-104dBm
  • VPN: Yes
  • Housing: metal

Packaging & Delivery

Packaging Details standard package
Delivery Time samples 3working days, MP 20 working days


3/4g modem
Standard and Band: GPRS Modem
Industrial Cellular Module

V20series Industrial Solution TCP Server Quadband GPRS dB9 3/4g modem   


V20series Industrial Wireless GPRS MODEM adopts high-powered RISC CPU and embedded real time operating system.


It integrates all the commonly used protocols from logical link layer to upper application layer protocols, such as TCP/IP/UDP and so on. It provides a secure, high speed, reliable wireless internet connection for customers.


It supports several ways that trigger IP MODEM to be online, including audio, SMS and data. Also, it supports double or several data centers. This product has been widely used on finance, water supply, environment protection, electric power system, post and weather fields.



Basic informatin 

Tx Power<30dBm
Consumption<200mA (12V)
Cellular ModuleIndustrial Cellular Module
Rx Sensitivity<-104dBm
Standard and BandGPRS Modem
at CommandYes
Operating temperature-30°C~75°C
Extend temperature -40°C~85°C
Operating Humidity  95% ( Unfreezing)
Voltage rageDC5~26V (type 12V)
HousingIron, providing IP30 protection
Dimensions 102.8X73.5X24.6mm





























Wireless Specification

1. EGSM900/GSM1800

2.GPRS multi-slot class 10

3.Compliant to GSM phase 2/2+

4.Support SMS and data function 


Hardware System

1. High-powered MCU, 100M

2. Interface:
RS232/RS485 serial port, rates: 110~230400bits/s
Indicator lights: "Power", "ACT", "Online"
Antenna interface: Standard SMA female interface, 50 ohm
SIM/UIM interface: Standard user card interface
Power interface: Standard 3-PIN power jack


3. Power supply:
Standard power supply: DC 12V/0.5A
Power range: DC 5~26V


4. Wireless module:
High-powered industrial GPRS module


5. Size:

Outline dimension:  102.8X73.5X24.6mm 


6. Weight: 450g


7. Others:
Operation temperature: -30~+75C
Storage temperature: -40~+85C
Humidity: 95% (unfreezing)


Software function

1. Design with standard TCP/IP protocol stack
2.Adopt smart online keeping technology to make sure that IP MODEM is always online
3.Support RSA and RC4 encryption arithmetic
4.Support APN
5.Support transparent data transfer and protocol conversion.


6.Support multi work modes
7.Support dynamic domain name(DDNS) and IP access to data center
8.Support double data centers, one main and another backup
9.Support multi data centers, It can support 5 data centers at the same time.
10.Support multi online trigger ways, including SMS, audio and data.


11.Support link disconnection when timeout
12.Support SMS backup and emergency report
13.Support hardware and software WDT
14.Reporting the status of data transfer
15.Standard AT command interface

16.Support common MODEM function
17.Support telnet function
18.Support remote configure and control
19.Easy to upgrade firmware
20.Support multi OS, such as WINDOWS, LINUX, SCO UNIX etc. .





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China (Mainland)
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2 Transactions 2,000+
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Supplier's Trade Assurance Limit: US $39,000
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