Gsm Modem 300
Overview
Product sourcing insights & recommendations
The "GSM Modem 300" (primarily the SIM300 series) remains a reliable solution for low-cost M2M communication and SMS-based IoT projects, even as the global market shifts toward 5G and LPWAN technologies. I have compiled a comprehensive report detailing its technical specifications—including its tri-band frequency support and RS232/TTL interfaces—alongside an analysis of cellular market trends through 2033. The report also identifies key B2B sourcing options for both the original SIM300 and modern industrial alternatives.
Based on these findings, you might consider these next steps:
Gsm Modem Sim300 Rs232 Ttl Quad Band Tri Band
Products · 2 lists
SIM900 Module 4 Frequency Development Board SMS Wireless Data Super TC35i GSM\GPRS Module
Shenzhen R.D.S Electronics Co., Ltd.🇨🇳CN7 yrs
Quectel Gsm Modem M35/UC15/UC20/UC96/EC20/EC21/EC25 Module 4g Modem Lte Router Wifi with Sim Card Slot
Shenzhen Bailingjia Technology Co., Ltd.🇨🇳CN17 yrs
Original SIM300 V7.02/SIM300 V7.03 Tri Band Industrial GSM Module
Shenzhen Xu Da Century Technology Co., Ltd.🇨🇳CN10 yrs
YE SIM900A GSM GPRS Module with Antenna for Wireless Data Transmission and SMS Communication
USB GSM Quad-band Serial Module SIM800C 2G GPRS Modem CH340 USB to UART SMS Call TCP Data Transmission Board
Shenzhen Futian District Hongxingyeda Electronic Firm🇨🇳CN5 yrs
HAISEN SIMCOM SIM868E Core Board GSM/GPRS+GNSS+BT4.0 Development Board Module Modem SIM868
Shenzhen Hapchuang Technology Co., Ltd.verified🇨🇳CN8 yrs
OLT SIM800L Module SIM800L GPRS GSM Module Micro SIM Card Core Board Four -frequency TTL Serial Port
Shenzhen Wufenghe Technology Co., Ltd.🇨🇳CN1 yr
A6 GPRS Pro Serial GPRS GSM Module Core DIY Development Board TTL RS232 With Antenna GPRS Wireless Module Data Replace SIM900
Shenzhen Tuoxin Electronics Co., Limited🇨🇳CN1 yr
SeekEC SIM800C GPRS GSM Module MicroSIM Card Core Board Quad-band TTL Serial Port (Compatible SIM800L SIM900A)
Shenzhen Maoxing Weiye Technology Co., Ltd.verified🇨🇳CN5 yrs
SIM800L GPRS GSM Module Micro Sim Card Core Board Quad-band TTL Serial Port for ESP8266 ESP32
Shenzhen Liyang Technology Co., Ltd.🇨🇳CN1 yr
SIM800L GPRS GSM module micro-sim card core board quad-band TTL serial port is ESP8266 ESP32 Development board module
Shenzhen Jinbojiuzhou Technology Co., Ltd.🇨🇳CN8 yrs
SIM800L GPRS GSM Module MicroSIM Card Core Wireless Board Quad-band TTL Serial Port With Antenna SIM800
Shenzhen E-Link Technology Co., Ltd.🇨🇳CN9 yrs
SIM800L GPRS GSM Module MicroSIM Card Core Wireless Board Quad-band TTL Serial Port With Antenna SIM800
SOUTHERN ELECTRONICS TECH LIMITEDverified🇭🇰HK2 yrs
MLK SIM800L GPRS GSM Module Core Quad-band TTL Serial Port IPX Interface PCB Antenna Micro SIM Card for Arduino Smart Phone
SIM800L GPRS GSM Module MicroSIM Card Core BOard Quad-band TTL Serial Port for ESP8266 ESP32
Shenzhen Icslove Technology Co., Ltd.🇨🇳CN2 yrs
FXT009 Airlink Programmable Gateway M2M Quad Band 850 900 1800 1900 Fastrack GSM GPRS Modem
Shenzhen Qitai Technology Co., Ltd.🇨🇳CN7 yrs
Gsm Gprs 3g 4g LTE Modem Gsm Transmitter Modem With Gps Tracking
Shenzhen Yun Da Tong Technology Co., Ltd.🇨🇳CN10 yrs
Industrial RS232 Modem Low Price Gsm Module
Xiamen Yifan Communication Technology Co., Ltd.verified🇨🇳CN17 yrs
GSM Modem MC35IT MC35T MC39IT MC52IT MC55IT with RS232 Port or USB Port
Shenzhen Hurryup Technology Co., Ltd.verified🇨🇳CN15 yrs
3G 4G Remote GPRS Data Transmit Unit, 800/900mhz Gsm Modem, Rs232 Rs485 Gsm Modem Sim900
Chongqing Blue Jay Technology Co., Ltd.🇨🇳CN13 yrs
Oncell G2111 Industrial Quad-band Gsm/gprs Modem
Shanghai Yuantong Zhilian Technology Co., Ltd.🇨🇳CN1 yr
GPRS Modem GSM 2G 3G Modem USB/RS232/SIM Industrial-Grade at Command Support Free Software Driver Download CE/FCC/RoHS Certified
Shenzhen Bailingjia Technology Co., Ltd.🇨🇳CN14 yrs
With European Standard PoweCINTERION BGS2T RS232 GSM GPRS Wireless Modem 4 Bands 850/900/1800/1900MHz Remote Terminal Unit Modem
Shenzhen Qianruixiang Technology Co., Ltd.🇨🇳CN1 yr
SIM800L GPRS GSM Module MicroSIM Card Core BOard Quad-band TTL Serial Port SIM800L GPRS GSM Module
Shenzhen Liyang Technology Co., Ltd.🇨🇳CN1 yr
Taidacent Computer Control Call Serial Port Quad Band Gsm Module with BLE SIM800C GSM GPRS Module USB to GSM
Shenzhen Taida Century Technology Co., Ltd.🇨🇳CN10 yrs
SIM900A MINI Wireless Data Transmission sim900 Module GSM GPRS MODEM Board With Antenna SMS data 4 frequency available worldwide
Shenzhen Fuyuanxin Technology Development Co., Ltd.🇨🇳CN8 yrs
CWT-L M2M Iot Modbus Rs485 Gsm Gprs 3g 4g Rtu Dtu Modem
Cwt Co.,limited.🇨🇳CN17 yrs
RS232 RS485 To GSM GPRS DTU Modem Converter Industrial Cellular Modem Serial Port USR-GPRS232-730
Hunan Teng Xin Technology Co., Ltd.🇨🇳CN5 yrs
Original SIM800A GSM GPRS Module Dual-band 900/1800MHz Wireless Communication Module Support SMS Voice Data Transmission
RS232 RS485 To GSM GPRS DTU Modem Converter Industrial Cellular Modem Serial Port USR-GPRS232-730
Deep Dive · Full Report
Full Market Report
1 document · Live-fetched from source
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Sources & References
26 sources cited · Verified industry data & reports
Gsm Modem Market: Trends & Forecast by Region (2026– ...
LinkedIn · Optientl Labs Report
The Gsm Modem Market is projected to grow from USD 1.2 billion. CAGR of 5.8% (2026 - 2033) AI adoption, digital transformation, rising demand
Cellular Modem Market Size, Share, Scope and Trends
Insightace Analytic
Cellular Modem Market Size is valued at USD 5.64 Billion in 2024 and is predicted to reach USD 32.84 Billion by the year 2034 at a 19.4% CAGR ...
Cellular Modem Market Size, industry & share report 2035
Market Research Future
Cellular Modem Market is predicted to reach USD 9.15 Billion at a CAGR of 5.80% by 2035, 2026 Market Research Future
US 5G Modem Market Size, Share, Trends | Forecast 2034
IMARC Group
The US 5G modem market size reached USD 44.6 Billion in 2025 to reach USD 281.7 Billion by 2034 at a CAGR of 22.73% During 2026-2034.
Cellular Modem Market Trends, Growth and Report ...
Polaris Market Research
The global cellular modem market was valued at USD 5.03 billion in 2023 and is expected to grow at a CAGR of 12.5% during the forecast period.
Mobile Broadband Modem Market – 2026 Report Built by ...
Strategic Market Research
The Global Mobile Broadband Modem Market is projected to grow from USD 6.7 billion in 2024 to USD 10.8 billion by 2030, registering a CAGR of 8.2%