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Product Name:

style external gsm modem

Packaging Details:gsm modem standard four-faith export carton package, neutral package,
Delivery Detail:1~3 workdays after payment received

style external gsm modem style external gsm modem

Quick Details

  • Products Status: Stock
  • Style: External
  • Type: Wireless
  • Interface Type: DB9
  • Transmission Rate: 14.4Kbps CSD
  • Certification: CE
  • Brand Name: Four-Faith
  • Model Number: F2003
  • Place of Origin: Fujian
  • name: gsm modem
  • Standard and Band: EGSM900/GS...
  • TX power: GSM850/900
  • RX sensitivity: <-107dBm
  • CPU: Industrial 16/32 bits CPU
  • FLASH: 1MB(Extendable)
  • SRAM: 512KB(Extendable)
  • Power: Standard 3-PIN power j...
  • SIM/UIM: Standard user card i...
  • Power range: DC 5~35V

Detailed Product Description:
gsm modem
1.High-powered industrial 16/32 bits CPU
2.RS232/RS485/RS422 port



why choose us

 style external gsm modem


Product Description

  F2003 Latest RS-232,RS-485,TTL for SMS Csd dial-up M2M wireless gsm modem m    style external gsm modem


F2003 GSM IP MODEM is a kind of cellular terminal device that
provides SMS and CSD function by public GSM network.
It adopts high-powered industrial 16/32 bits CPU and embedded real
time operating system. It supports RS232 and RS485 (or RS422) port that
can conveniently and transparently connect one device to a cellular network,
allowing you to connect to your existing serial devices with only basic
It has been widely used on M2M fields, such as intelligent
transportation, smart grid, industrial automation, telemetry, finance, POS,
water supply, environment protection, post, weather, and so on..



Products Feature


Design for Industrial Application
High-powered industrial cellular module
 High-powered industrial 16/32 bits CPU
Support low-consumption mode, including sleep
mode, scheduled online/offline mode, scheduled
power-on/power-off mode(optional)
 Housing: iron, providing IP30 protection.
Power range: DC 5~35V
Stability and Reliability
 Support hardware and software WDT
Support auto recovery mechanism, including
online detect, auto redial when offline to make it
always online

SIM/UIM port: 15KV ESD protection
Power port: reverse-voltage and overvoltage
Antenna port: lightning protection(optional)
Standard and Convenience
Support standard RS232 and RS485(or RS422)
port that can connect to serial devices directly
Support intellectual mode, enter into
communication state automatically when
Support several work modes
Convenient configuration and maintenance

Support transparent SMS data transfer
Send SMS to up to 5 mobile numbers at the
same time

Support server and client functions
Support CSD function


interface Images

 style external gsm modemstyle external gsm modem


Products Application

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Cellular Specification
Item Content
Cellular Module Industrial cellular module
Standard and Band EGSM900/GSM1800MHz, GSM850/900/1800/1900MHz(optional)
Compliant to GSM phase 2/2+
Bandwidth 14.4Kbps CSD
TX power GSM850/900: <33dBm
GSM1800/1900: <30dBm
RX sensitivity <-107dBm
Hardware System
Item Content
CPU Industrial 16/32 bits CPU
FLASH 1MB(Extendable)
SRAM 512KB(Extendable)

Interface type
Item Content
Serial 1 RS232 port and 1 RS485(orRS422) port, 15KV ESD protection
Data bits: 5, 6 ,7, 8
Stop bits: 1, 1.5, 2
Parity: none, even, odd, space, mark

Baud rate: 110~230400 bps
Indicator “Power”, “ACT”, Online”
Antenna Standard SMA female interface, 50 ohm, lighting protection(optional)
SIM/UIM Standard user card interface, support 1.8V/3V SIM/UIM card,15KV ESD protection built-in
Power Standard 3-PIN power jack, reverse-voltage and over voltage protection

Power supply
Item Content
Standard Power DC 12V/0.5A
Power range DC 5~35V
Consumption <250mA (12V)
Physical Characteristics
Item Content
Housing Iron, providing IP30 protection
Dimensions 91x58.5x22 mm
Weight 205g
Environmental Limits
Item Content
-25~+65ºC (-13~+149℉)
-30~+75ºC (-22~+167℉)
-40~+85ºC (-40~+185℉)
Operating Humidity 95% ( unfreezing)


Packaging & Shipping

 style external gsm modem


Company Information


Xiamen Four-Faith Communication Technology Co. Ltd. is a backbone enterprise of China internet of things in wireless communication field, is a high-tech enterprise owns grumous value of “ Integrity, Trust, Confidence, Faith ” to cover products,services and management activities.

The company focuses on R&D, production, promotion and service of internet of things products and industrial high-end wireless communication transmission equipments. Products line including: mountain torrent disaster warning broadcast equipment, LED wireless distribution system, wireless Modem, wireless IP Modem( DTU), wireless industrial router, GPS terminal, ZigBee terminal ect.

The company has strong R&D capability, R&D staffs account for more than 60% proportion of whole company staffs, backbone R&D staffs have more than 10 years R&D experience in the industry. For a long time, Four-Faith communication clings to the pulse of network industry development, to do the promoter of the industry; independent innovation, to do the fully intellectual property practitioners; thorough application of the network industry, to provide customers with leading, professional products and services; gradually formed the specialized operating characteristics of the product-based system, providing systemic solutions for various industries, comprehensively help clients achieve application target of “ wisdom, standard, safety, reliablility ” .

After years of development, Four-Faith passed ISO 9001, CE and other quality certifications, the establishment of Xiamen headquarter as the core, Beijing,Shanghai, Wuhan, Xi\'an Branch as the stronghold, where radiates Singapore,Thailand, India and others more than 50 countries and regions of sales service network, products are widely used in the fields of finance, electric power,water conservancy, environmental protection, meteorology, tax, and company sustains a healthy, stable and rapid growth.

Four-Faith Communication will continue to uphold the integrity, professionalism,innovative ideas to create greater value for customers, continue to promote the company move forward, spare no effort to make charming brand, to build the intelligent world of the Internet of Things!

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Supplier Details

  • Xiamen Four-Faith Communication Technology Co., Ltd.
  • [ Fujian, China (Mainland) ]
  • Business Type:
  • Manufacturer, Trading Company
  • Year Established: 2008
  • Number of Employees:
  • 501 - 1000 People
  • Telephone/FAX:
  • 86-0592-59072,86-0592-59072

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