Modem Gsm Rs232

Alibaba.com

Overview

Product sourcing insights & recommendations

NFHA
TReNDS Center
28 来源

The GSM RS232 modem market is undergoing a rapid transition from legacy 2G/GPRS systems to 4G LTE (Cat 1/Cat 4) and NB-IoT technologies due to global 2G network sunsets. Industrial demand is shifting toward "Machine Experience" (MX), where modems serve as intelligent endpoints for AI-driven monitoring rather than simple data pipes DirectindustryUxdesign.

Key Market Trends

* Technological Shift: 2G GPRS is increasingly a legacy solution. The market is pivoting to LTE Cat M1 and NB-IoT for superior indoor penetration and lower power consumption, especially in remote monitoring DirectindustryPusr.

* Intelligent Industrial IoT: Use cases have expanded from simple M2M to smart city infrastructure (street lamp management), agricultural IoT (aquaculture), and power grid monitoring PusrDirectindustry.

* 2026 Strategy: Future developments focus on multimodal feedback and intent-driven transmission, where devices adapt their protocol and frequency based on the semantic value of the data for AI agents UxdesignDirectindustry.

Technical Specifications

* Protocol Support: Beyond basic transparent transmission, modern units include integrated TCP/IP stacks (supporting HTTP/HTTPS, DNS, and Modbus) and identity/heartbeat packets for permanent cloud connectivity PusrIcomtechinc.

* Industrial Robustness: Standard requirements include wide voltage inputs (5V–36V), extreme operating temperatures (-40°C to 85°C), and 1.5KV isolation to withstand harsh electrical environments Pusr.

Sourcing Landscape

I have identified several high-capacity manufacturers specialized in industrial cellular communication:

* Shenzhen Bailingjia Technology: Offers a wide range of GSM, 4G LTE, and NB-IoT modems with DB9 RS232 ports AlibabaAlibaba.

* Xiamen Yifan Communication: A long-standing manufacturer (17 years) specializing in industrial-grade M2M serial modems with IP30 housing Alibaba.

* Jinan USR IOT Technology: A dominant player in the industrial IoT gateway market, known for its serial-to-IP cellular modems PusrAlibaba.

Detailed product lists and supplier profiles are available in the deliverables below.

Based on these industrial trends, you can continue with:

Gsm Modem Rs232 Industrial Grade

Products · 3 lists

BGS2 BGS2T Gsm / Gprs Modem RS232 Port

BGS2 BGS2T Gsm / Gprs Modem RS232 Port

$494.4(409)
MOQ: 1 unit
GSM modemRS232 interface300+ store reviews8% reorder rate≤2h response time
Shenzhen Bailingjia Technology Co., Ltd.Shenzhen Bailingjia Technology Co., Ltd.🇨🇳CN17 yrs
USR-G786-G Global Frequency Industrial M2M Serial RS485 4G LTE GSM Modem External Wireless

USR-G786-G Global Frequency Industrial M2M Serial RS485 4G LTE GSM Modem External Wireless

$774.9(298)
MOQ: 1 piece
GSM modemRS232 interface
Jinan USR IOT Technology LimitedJinan USR IOT Technology Limitedverified🇨🇳CN14 yrs
Cinterion BGS2 BGS2T Wireless External USB GSM/GPRS Modem Industrial Cinterion Wireless Modules Cinter Ion BGS2 T RS232 Terminal

Cinterion BGS2 BGS2T Wireless External USB GSM/GPRS Modem Industrial Cinterion Wireless Modules Cinter Ion BGS2 T RS232 Terminal

$454.5(334)
MOQ: 1 piece
GSM modemRS232 interface50+ store reviews≤4h response time
Shenzhen Bailingjia Technology Co., Ltd.Shenzhen Bailingjia Technology Co., Ltd.🇨🇳CN14 yrs
USR-730 Industrial Serial to GSM GPRS Modem RS232 to GPRS Modem RS485 to GPRS Support Remote Configuration Via SMS

USR-730 Industrial Serial to GSM GPRS Modem RS232 to GPRS Modem RS485 to GPRS Support Remote Configuration Via SMS

$16-184.9(233)
MOQ: 2 units
GSM modemRS232 interface100+ store reviews13% reorder rate≤2h response time
Shenzhen Xinliwei Electronics Technology Co., LtdShenzhen Xinliwei Electronics Technology Co., Ltd🇨🇳CN6 yrs
Industrial Cellular Modem 3g Gsm Serial Modem With SIM Card Rs232 Serial Port

Industrial Cellular Modem 3g Gsm Serial Modem With SIM Card Rs232 Serial Port

$305.0(447)
MOQ: 1 set
GSM modemRS232 interface50+ store reviews12% reorder rate≤3h response time
Shenzhen Yun Da Tong Technology Co., Ltd.Shenzhen Yun Da Tong Technology Co., Ltd.🇨🇳CN10 yrs
RS-232 IoT M2M 4G LTE Modem USB with Sim Slot Industrial 4G Module SIM7600 SMS GSM Modem

RS-232 IoT M2M 4G LTE Modem USB with Sim Slot Industrial 4G Module SIM7600 SMS GSM Modem

$45-504.6(964)
MOQ: 10 pieces
GSM modemRS232 interface200+ store reviews9% reorder rate≤2h response time
Shenzhen Qitai Technology Co., Ltd.Shenzhen Qitai Technology Co., Ltd.🇨🇳CN7 yrs
Four-Faith Industrial RS-232 Modbus RS-485 M-bus Converter 3G M2M WCDMA/HSDPA/HSUPA Modems 1024Kbps External

Four-Faith Industrial RS-232 Modbus RS-485 M-bus Converter 3G M2M WCDMA/HSDPA/HSUPA Modems 1024Kbps External

$39-3995.0(975)
MOQ: 100 units
GSM modemRS232 interface≤4h response time
Xiamen Four-Faith Communication Technology Co., Ltd.Xiamen Four-Faith Communication Technology Co., Ltd.🇨🇳CN16 yrs
Industrial RS232 Modem Low Price Gsm Module

Industrial RS232 Modem Low Price Gsm Module

$20-604.8(327)
MOQ: 1 piece
GSM modemRS232 interface200+ store reviews10% reorder rate≤2h response time
Xiamen Yifan Communication Technology Co., Ltd.Xiamen Yifan Communication Technology Co., Ltd.verified🇨🇳CN17 yrs
SHANHAI BGS2T RS232 4G Modem GSM Wireless M2M Device Terminal Industrial Communication Networking Zigbee Ethernet Aluminum

SHANHAI BGS2T RS232 4G Modem GSM Wireless M2M Device Terminal Industrial Communication Networking Zigbee Ethernet Aluminum

$564.9(931)
MOQ: 2 pieces
GSM modemRS232 interface100+ store reviews19% reorder rate≤5h response time
Shenzhen Shanhai Technology Ltd.Shenzhen Shanhai Technology Ltd.🇨🇳CN13 yrs
BGS2T RS232 Industrial 3G Modem Cheap Gsm Wireless M2M Device Terminal Industrial Communication & Networking Product

BGS2T RS232 Industrial 3G Modem Cheap Gsm Wireless M2M Device Terminal Industrial Communication & Networking Product

$45.99-55.994.8(287)
MOQ: 2 bags
GSM modemRS232 interface11% reorder rate≤3h response time
Ganzhou Xuanpin Trading Co., Ltd.Ganzhou Xuanpin Trading Co., Ltd.🇨🇳CN1 yr
PSI-GSM GPRS-MODEM RS232 2708630 -_c397a700

PSI-GSM GPRS-MODEM RS232 2708630 -_c397a700

$2995.0(856)
MOQ: 50 pieces
GSM modemRS232 interface40% reorder rate≤5h response time
Xiamen CloudEdge International Trade Co., Ltd.Xiamen CloudEdge International Trade Co., Ltd.🇨🇳CN1 yr
Brand New Psi-gsm/gprs Modem/rs232 2708630 Gsm Modem -no Cover -used for Plc Fast Shipping Price Negotiation Required

Brand New Psi-gsm/gprs Modem/rs232 2708630 Gsm Modem -no Cover -used for Plc Fast Shipping Price Negotiation Required

$1064.8(915)
MOQ: 1 piece
GSM modemRS232 interface7% reorder rate≤2h response time
Xiamen Shuangzi Hongyang E-Commerce Co., Ltd.Xiamen Shuangzi Hongyang E-Commerce Co., Ltd.🇨🇳CN1 yr
With European Standard PoweCINTERION BGS2T RS232 GSM GPRS Wireless Modem 4 Bands 850/900/1800/1900MHz Remote Terminal Unit Modem

With European Standard PoweCINTERION BGS2T RS232 GSM GPRS Wireless Modem 4 Bands 850/900/1800/1900MHz Remote Terminal Unit Modem

$24.70-46.805.0(513)
MOQ: 10 pieces
GSM modemRS232 interface12% reorder rate≤3h response time
Shenzhen Qianruixiang Technology Co., Ltd.Shenzhen Qianruixiang Technology Co., Ltd.🇨🇳CN1 yr
GSM Modem MC35IT MC35T MC39IT MC52IT MC55IT with RS232 Port or USB Port

GSM Modem MC35IT MC35T MC39IT MC52IT MC55IT with RS232 Port or USB Port

$55-594.9(60)
MOQ: 1 unit
GSM modemRS232 interface900+ store reviews13% reorder rate≤2h response time
Shenzhen Hurryup Technology Co., Ltd.Shenzhen Hurryup Technology Co., Ltd.verified🇨🇳CN15 yrs
AISmartlink USR-GPRS232-730 GSM Modem RS232/485 Serial GSM Modems

AISmartlink USR-GPRS232-730 GSM Modem RS232/485 Serial GSM Modems

$24.70-284.7(318)
MOQ: 2 pieces
GSM modemRS232 interface
WuHan Aismartlink Intelligent Technology Co., Ltd.WuHan Aismartlink Intelligent Technology Co., Ltd.verified🇨🇳CN9 yrs
USR-GPRS232-730 GSM Modem RS232/485 Serial GSM Modems

USR-GPRS232-730 GSM Modem RS232/485 Serial GSM Modems

$24.70-284.7(351)
MOQ: 2 pieces
GSM modemRS232 interface14% reorder rate≤1h response time
Shenzhen Nordson Electronics Co., Ltd.Shenzhen Nordson Electronics Co., Ltd.🇨🇳CN1 yr
CWT-L M2M Iot Modbus Rs485 Gsm Gprs 3g 4g Rtu Dtu Modem

CWT-L M2M Iot Modbus Rs485 Gsm Gprs 3g 4g Rtu Dtu Modem

$53-1104.4(357)
MOQ: 1 unit
GSM modemRS232 interface300+ store reviews12% reorder rate≤11h response time
Cwt Co.,limited.Cwt Co.,limited.🇨🇳CN17 yrs
6NH9720-3AA01-0XX0 Modem, 2G GSM GPRS Mobile Radio Communication Modem

6NH9720-3AA01-0XX0 Modem, 2G GSM GPRS Mobile Radio Communication Modem

$50-5004.9(718)
MOQ: 1 piece
GSM modemRS232 interface58% reorder rate≤1h response time
Xiamen Miaomiao Sheng Trading Co., Ltd.Xiamen Miaomiao Sheng Trading Co., Ltd.🇨🇳CN1 yr
USR-G771-E Europe External Wireless LTE CAT 1 4G GSM RS232 RS485 MQTT SMS Serial Cellular Modem Sim Card Slot in Stock

USR-G771-E Europe External Wireless LTE CAT 1 4G GSM RS232 RS485 MQTT SMS Serial Cellular Modem Sim Card Slot in Stock

$19-234.4(791)
MOQ: 1 piece
GSM modemRS232 interface100+ store reviews2% reorder rate≤12h response time
Shenzhen Qianbao Technology Co., Ltd.Shenzhen Qianbao Technology Co., Ltd.🇨🇳CN4 yrs
RS232 RS485 To GSM GPRS DTU Modem Converter Industrial Cellular Modem Serial Port USR-GPRS232-730

RS232 RS485 To GSM GPRS DTU Modem Converter Industrial Cellular Modem Serial Port USR-GPRS232-730

$25-275.0(316)
MOQ: 1 piece
GSM modemRS232 interface50+ store reviews14% reorder rate≤11h response time
Hunan Teng Xin Technology Co., Ltd.Hunan Teng Xin Technology Co., Ltd.🇨🇳CN5 yrs
USR-GPRS232-730 RS232 / RS485 GSM Modems Support GSM/GPRS GPRS to Serial Converter DTU Flow Control RTS CTS

USR-GPRS232-730 RS232 / RS485 GSM Modems Support GSM/GPRS GPRS to Serial Converter DTU Flow Control RTS CTS

$1.80-23.304.8(54)
MOQ: 5 pieces
GSM modemRS232 interface400+ store reviews18% reorder rate≤5h response time
Shenzhen Sanruisheng Technology Co., Ltd.Shenzhen Sanruisheng Technology Co., Ltd.🇨🇳CN7 yrs
New And Original GSM-4GLTEGPS 4G LTE GSM MODEM WITH GPS, RS232 RF and Wireless/RF Receiver, Transmitter, and Transceiver

New And Original GSM-4GLTEGPS 4G LTE GSM MODEM WITH GPS, RS232 RF and Wireless/RF Receiver, Transmitter, and Transceiver

$137.73-229.554.9(207)
MOQ: 1 piece
GSM modemRS232 interface200+ store reviews22% reorder rate≤2h response time
Shenzhen Kaisheng Century Electronics Co., Ltd.Shenzhen Kaisheng Century Electronics Co., Ltd.verified🇨🇳CN3 yrs
USR-GPRS232-730 GSM Modem RS232/485 Serial GSM Modems

USR-GPRS232-730 GSM Modem RS232/485 Serial GSM Modems

$24.70-284.7(471)
MOQ: 2 pieces
GSM modemRS232 interface50+ store reviews10% reorder rate≤3h response time
Shenzhen Shengdingtong Technology Co., Ltd.Shenzhen Shengdingtong Technology Co., Ltd.verified🇨🇳CN1 yr
GSM-4GLTEGPS BOM 4G LTE GSM MODEM WITH GPS, RS232 GSM-4GLTEGPS

GSM-4GLTEGPS BOM 4G LTE GSM MODEM WITH GPS, RS232 GSM-4GLTEGPS

$36-197.985.0(204)
MOQ: 10 pieces
GSM modemRS232 interface22% reorder rate≤7h response time
Shenzhen Longgang Ruru Trading FirmShenzhen Longgang Ruru Trading Firm🇨🇳CN3 yrs
Q2406B Module GSM/GPRS Wireless USB/RS232 MODEM

Q2406B Module GSM/GPRS Wireless USB/RS232 MODEM

$59.80-128.504.7(188)
MOQ: 1 piece
GSM modemRS232 interface900+ store reviews9% reorder rate≤5h response time
Shenzhen Ruised Technology Co., Ltd.Shenzhen Ruised Technology Co., Ltd.🇨🇳CN9 yrs
4g Iot Gateway Industrial ZLAN8308M Serial Port Gsm Modem Serial to Ethernet Module Ethernet to Rs485

4g Iot Gateway Industrial ZLAN8308M Serial Port Gsm Modem Serial to Ethernet Module Ethernet to Rs485

$19-214.6(546)
MOQ: 1 set
GSM modem50+ store reviews15% reorder rate≤8h response time
Shanghai ZLAN Electronics Co. Ltd.Shanghai ZLAN Electronics Co. Ltd.verified🇨🇳CN3 yrs
KIT-GSM-L BOM Service KIT - GSM MODEM LP040 RXXXX LOG. KIT-GSM-L

KIT-GSM-L BOM Service KIT - GSM MODEM LP040 RXXXX LOG. KIT-GSM-L

$114.80-631.404.8(148)
MOQ: 10 pieces
GSM modemRS232 interface33% reorder rate≤2h response time
Dongguan Shijie Chipin Electronic Trading FirmDongguan Shijie Chipin Electronic Trading Firm🇨🇳CN4 yrs
KIT-GSM-L BOM Service KIT - GSM MODEM LP040 RXXXX LOG. KIT-GSM-L

KIT-GSM-L BOM Service KIT - GSM MODEM LP040 RXXXX LOG. KIT-GSM-L

$114.80-631.403.9(148)
MOQ: 10 pieces
GSM modemRS232 interface
Dongguan Shijie Chipin Electronic Trading FirmDongguan Shijie Chipin Electronic Trading Firmverified🇨🇳CN13 yrs