Sim 300 Gsm Modem
Overview
Product sourcing insights & recommendations
The SIM300 GSM modem is now considered a legacy/obsolete product, having been superseded by the more compact and feature-rich SIM800 and SIM900 series. While it pioneered early M2M communication with its tri-band support and RS232 interface, the global 2G sunset has significantly limited its commercial viability in markets like North America and East Asia.
Key market insights include:
- Technological Shift: The industry has transitioned from 2G GSM to LTE Cat-M1 and NB-IoT for long-term connectivity, with the cellular modem market projected to reach $32.84 billion by 2034.
- Recommended Replacements: The SIM800 series is the current standard for 2G applications, offering smaller footprints and integrated Bluetooth/FM radio, while the SIM900 remains popular for hobbyist development.
- Sourcing: Active supplies are concentrated in Shenzhen, China, primarily as development boards or "new old stock" for maintenance projects.
Detailed technical comparisons and market transition data are available in the report below.
Based on the 2G sunset trends, here are your next steps:
Sim300 Gsm Modem Module Rs232 Gprs
Products · 3 lists
GSM Modem RS232 / USB Support SMS GSM GPRS Modem
Shenzhen Bailingjia Technology Co., Ltd.🇨🇳CN17 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
Wireless Industrial WCDMA 3G GSM GPRS Cellular Modem with RS232 Interface, Support TCP/UDP Data Transceiver Modem for M2M
Shenzhen Yun Da Tong Technology Co., Ltd.🇨🇳CN10 yrs
USR-730 Industrial Serial to GSM GPRS Modem RS232 to GPRS Modem RS485 to GPRS Support Remote Configuration Via SMS
Shenzhen Xinliwei Electronics Technology Co., Ltd🇨🇳CN6 yrs
USR-GPRS232-730 RS232 / RS485 GSM Modems Support GSM/GPRS GPRS to Serial Converter DTU Flow Control RTS CTS
Shenzhen Sanruisheng Technology Co., Ltd.🇨🇳CN7 yrs
AISmartlink USR-GPRS232-730 GSM Modem RS232/485 Serial GSM Modems
WuHan Aismartlink Intelligent Technology Co., Ltd.verified🇨🇳CN9 yrs
USR-GPRS232-730 GSM Modem RS232/485 Serial GSM Modems
Shenzhen Shengdingtong Technology Co., Ltd.verified🇨🇳CN1 yr
USR-GPRS232-730 GSM Modem RS232/485 Serial GSM Modems
Shenzhen Nordson Electronics Co., Ltd.🇨🇳CN1 yr
YE SIM900A GSM GPRS Module with Antenna for Wireless Data Transmission and SMS Communication
SIM900 4 Frequency Development Board GSM GPRS SMS Wireless Data Ultra TC35I Module
KotenchipTechnology Co., Limited🇭🇰HK1 yr
BGS2T RS232 Industrial 3G Modem Cheap Gsm Wireless M2M Device Terminal Industrial Communication & Networking Product
Ganzhou Xuanpin Trading Co., Ltd.🇨🇳CN1 yr
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
Brand New SIM800L Module GSM GPRS SMS With Antenna
Shenzhen Yuzens Technologies Co. Ltd.🇨🇳CN12 yrs
OKY2223-7 SIM900A V4.0 Kit Wireless Extension Module Antenna Tested GSM GPRS Board Module SIM900A
Shenzhen Kaisheng Century Electronics Co., Ltd.verified🇨🇳CN3 yrs
EM/ODM GSM Module GPRS Shield SIM900A SIM 900A Module
Shenzhen Jiaodi Ren Technology Co., Ltd.🇨🇳CN3 yrs
Mini Smallest SIM800L GPRS GSM Module MicroSIM Card Core Wireless Board Quad-band TTL Serial Port With Antenna Diy SIM800L GPRS
Shenzhen Liyang Technology Co., Ltd.🇨🇳CN1 yr
OEM/ODM GSM Module GPRS Shield SIM900 GSM Modem SIM 900 SIM900 Price
Shenzhen Shangtuo Semicon Co., Ltd.🇨🇳CN5 yrs
High Quality New SIM900 Module 4 Band \ Development Board \GSM\GPRS\ SMS \ Wireless Data Super TC35I
Shenzhen Yunhui Legu Electronic Co., Ltd.🇨🇳CN7 yrs
SIM900A Module SMS A7670C Development Board GSM/GPRS/STM32 Wireless Data Transmission Super TC35i
Shenzhen Dalu Electronics Co., Ltd.🇨🇳CN4 yrs
SIM900 GSM Module Quad-Band 850/900/1800/1900MHz 4 Frequency GSM GPRS SMS PCB Module Development Board SIM900 Module
Shenzhen Dongxinda Technology Development Co., Ltd.🇨🇳CN7 yrs
Mini Smallest SIM800L GPRS GSM Module MicroSIM Card Core Wireless Board Quad-band TTL Serial Port With Antenna
Shenzhen Ruised Technology Co., Ltd.🇨🇳CN9 yrs
GPRS GSM Module SIM800L development board Core Board Quad-band With MicroSIM Card TTL Serial Port SIM800
Shenzhen Hapchuang Technology Co., Ltd.verified🇨🇳CN8 yrs
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
SIM900A SIM900 Module GSM/GPRS/STM32/ Wireless Data Transmission
Shenzhen Goldtech Electronics Co., Limitedverified🇨🇳CN7 yrs
Module Simcom SIM800C Quad-band GSM/GPRS Module SIM800 GSM Module SIM800F SIM800C SIM800L SIM800H
Esp32 Module Gsm Modul Sim900 Simcom 3G 4G Plus Sim900 Quad Band Gsm Gprs Development Board
Dongguan Annxin Electronics Co., Ltd.🇨🇳CN5 yrs
TC35i GPRS GSM module 4 frequency SMS SIM900 Development Board wireless data super
Shenzhen Shengtaixin Technology Co., Ltd.🇨🇳CN5 yrs
XZT Best Price GPRS GSM Module SIM808
Shenzhen Xzt Electronic Technology Co., Ltd.🇨🇳CN9 yrs
SIM900A module \ SMS \ development board \ GSM \ GPRS \ STM32 \ wireless data transmission super TC35i
Shenzhen Sanhuang Technology Co., Ltd.🇨🇳CN1 yr
SIMCOM SIM800C Quad-band GSM/GPRS Module 2G 24M,32M Wireless Module With Blue-tooth
Hunan Hualai Technology Co., Ltd.🇨🇳CN7 yrsDeep Dive · Full Report
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Sources & References
25 sources cited · Verified industry data & reports
GSM Modem SIM 300 Online At Best Price- ...
Matha Electronics
The SIM300 GSM/GPRS Module with RS232 Interface is a complete tri-band GSM/GPRS solution featuring an ultra-compact design that can be embedded in the customer ...
SIM300 GSM Modem User Guide | PDF
Scribd
This GSM modem is a highly flexible plug and play quad band GSM modem. Supports features like Voice, SMS, Data/Fax, GPRS. TCP/IP stack.
SIM-300 Quad-Band GSM/GPRS Modem with Serial Interface
REES52
It operates on frequencies 900 MHz, 1800 MHz, and 1900 MHz. from 1200- 115200bps. Voltage Input: 7- 15V AC/DC. Supports Data/Fax, Voice, TCP/IP, GPRS, SMS. ...
SIM300D GSM Module
Microcontrollers Lab
SIM300D is basically designed for the global market. It is a tri-band GSM/GPRS modem that works on frequencies EGSM 900 MHz, DCS 1800 MHz, and PCS 1900MHz.
SIM300 GSM / GPRS On Board Antena Modem
Indian Hobby Center
SIM300 GSM module transmission. used for Data/Fax, allows an adjustable serial baud rate from 1200 to 115200 bps (9600 default). operates on frequencies 900 ...
Gsm Sim 300 Modem Description Specifications Applications
imimg.com
The. SIM300 GSM modem is a versatile, tri-band (900/1800/1900 MHz) modem that provides cellular connectivity for machine-to- machine (M2M) communication and ...