Gsm Modem Rs232 Simcom
Overview
Product sourcing insights & recommendations


The market for SIMCom RS232 GSM modems is currently undergoing a major structural shift as legacy 2G/3G networks are phased out worldwide Alibaba. Industrial applications are pivoting toward LTE Cat 1 bis for cost-effectiveness and 5G RedCap for high-performance IoT Alibaba.
Key Insights
* Technological Transition: The iconic SIM800 (2G) series is being replaced by the A7670 series (LTE Cat 1 bis) for mass IoT and the SIM7600 series for stable 4G connectivity Alibaba.
* Industrial Standard: The RS232 interface remains critical for retrofitting legacy PLCs and machinery, accounting for approximately 45% of industrial market revenue Alibaba.
* Pricing Trends: Industrial-grade 4G RS232 modems (DTUs) are currently priced between $25 and $79, while bare Cat 1 bis modules have dropped to the $5-$8 range Alibaba.
The report below provides a detailed breakdown of these market trends, technological successors, and current product availability.
Based on the market shift, would you like to:
Simcom Rs232 Gsm Modem 4g Lte Cat 1 Sim800 Sim7600
Products · 2 lists

Rs232 Interface 4g Modem Simcom Sim7100 Sim7600 Module
Shenzhen Bailingjia Technology Co., Ltd.🇨🇳CN17 yrs
USR-G771-E Europe External Wireless LTE CAT 1 4G GSM RS232 RS485 MQTT SMS Serial Cellular Modem Sim Card Slot in Stock
Shenzhen Qianbao Technology Co., Ltd.🇨🇳CN4 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-DR502-E Europe Industrial 4G LTE Cat 1 Modem with Sim Card Slot Supports IoT Platform HTTP MQTT/SSL GSM SMS
Jinan Huayng Automation Technology Co., Ltd.verified🇨🇳CN2 yrs
Industrial Grade SIM7600G-H 4G DTU, USB UART/RS232/RS485 Multi Interfaces Communication, LTE Global Band Support
Shenzhen Sanhuang Technology Co., Ltd.🇨🇳CN1 yr
Industrial Grade SIM7600G-H 4G DTU, USB UART/RS232/RS485 Multi Interfaces Communication, LTE Global Band Support
Shenzhen Maojiexin Electronics Co., Ltd.verified🇨🇳CN4 yrs
2G 3G 4G Modem RS232 RS485 Support SMS WCDMA HSDPA USB GSM LTE Modem
Shenzhen Hurryup Technology Co., Ltd.verified🇨🇳CN15 yrs
USR-DR502-E Europe Industrial HTTP MQTT/SSL GSM SMS 4G LTE Cat 1 Modem With Sim Card Slot Support IoT Platform
Jinan USR IOT Technology Limitedverified🇨🇳CN14 yrs
Stock Original SIM7600G-H PCIE R2 SIM7600 Module 4G LTE CAT4 Module 4G Modem SIM7600G
Shenzhen Kuanwei Technology Co., Ltd.🇨🇳CN1 yr
Ebyte E840-DTU(4G-02) RS48/ RS232 Serial Port to LTE Compatible GPRS/3G 4G lte modem for wilress transmission
Chengdu Ebyte Electronic Technology Co., Ltd.🇨🇳CN11 yrs
GSM-4GLTEGPS BOM Service 4G LTE GSM MODEM WITH GPS, RS232 GSM-4GLTEGPS
Dongguan Shijie Chipin Electronic Trading Firm🇨🇳CN4 yrs
4G LTE Modem Quectel EC25 Gsm Modem with RS232 Serial Port for Data Transmission
Shenzhen FML Trade Co., Ltd.🇨🇳CN5 yrs
GSM-4GLTEGPS BOM 4G LTE GSM MODEM WITH GPS, RS232 GSM-4GLTEGPS
Shenzhen Longgang Ruru Trading Firm🇨🇳CN3 yrs
Gsm Telemetry Rs232 Modem Rs485 Digital Input Output Analog Input
Xiamen Bivocom Technologies Co., Ltd.🇨🇳CN10 yrs
Simcom A7680C 4G Cat1 Module Compatible with SIM800C GSM/GPRS Module-World's Smallest CAT1 Module Brand New 7-Day Lead Time
Shenzhen Xinsheng Pengye Technology Co., Ltd.🇨🇳CN5 yrs
4g Iot Gateway Industrial ZLAN8308M Serial Port Rs485
Shanghai ZLAN Electronics Co. Ltd.verified🇨🇳CN3 yrs
gsm modem SIMCOM A7600 4G LTE modem
RTX Technology Co., Limited🇨🇳CN8 yrs
gsm modem SIMCOM A7600 4G LTE modem
Shenzhen Kaisheng Century Electronics Co., Ltd.verified🇨🇳CN3 yrs
NKIWI B1 B3 B5 LTE Cat4 H760 150Mbps 4G GSM WiFi USB Dongle Modem Internal Wireless Network Unlimited Data SIM Card Support
Shenzhen Xinciyuan Technology Co., Ltd.🇨🇳CN3 yrs
AISmartlink USR-GPRS232-730 GSM Modem RS232/485 Serial GSM Modems
WuHan Aismartlink Intelligent Technology Co., Ltd.verified🇨🇳CN9 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 GSM Modem RS232/485 Serial GSM Modems
Shenzhen Nordson Electronics Co., Ltd.🇨🇳CN1 yr
USR-GPRS232-730 GSM Modem RS232/485 Serial GSM Modems
Shenzhen Shengdingtong Technology Co., Ltd.verified🇨🇳CN1 yr
Q2406B Module GSM/GPRS Wireless USB/RS232 MODEM
Shenzhen Ruised Technology Co., Ltd.🇨🇳CN9 yrs
Industrial RS232 Modem Low Price Gsm Module
Xiamen Yifan Communication Technology Co., Ltd.verified🇨🇳CN17 yrs
PSI-GSM GPRS-MODEM RS232 2708630 -_c397a700
Xiamen CloudEdge International Trade Co., Ltd.🇨🇳CN1 yr
New Original Unlocked 3g 4g Lte Wifi Usb Modem 150mbps Manufacturing Portable Modem 4g Simcard Router Modem for Computer
Shenzhen Gnetop Technology Co., Ltd.🇨🇳CN6 yrs
S475 GSM 3G 4G LTE Cellular IoT Modbus Gateway
Shenzhen Beilai Technology Co., Ltd.🇨🇳CN4 yrsDeep Dive · Full Report
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Sources & References
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