Industrial 4G LTE SIM RS232 RS485 USB Cellular Modemand
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Product Highlights
- Pure Cellular Passthrough - Dedicated 4G modem module with no routing, VPN, firewall, or LAN functions - simple, low-overhead connectivity for embedded devices.
- Ultra-Low Power Consumption - Industry-leading efficiency
- Compact & Lightweight - Complete unit weighs only 150g (excluding accessories), ideal for space-constrained installations.
- Optional Interface -USB, RJ45, serial,
- Multi-Antenna Cellular Reception - 2-3 SMA antenna ports ensure a stable signal across varying field conditions.
- AT Command Control - Managed entirely via AT command set, with no web GUI overhead - suited for headless, embedded deployments.
- Full 4G LTE Compatibility - Supports global FDD/TDD mainstream bands with 2G/3G fallback for broad network coverage.
- Flexible Configuration Options - Supports -G (GPS/GNSS), -DC60V (wide-voltage upgrade), -CatX (speed tier), and -P1 (Active PoE In) suffixes.
- Industrial-Grade Reliability - Operates across -35C to 75C with built-in reverse-polarity, overvoltage, and overcurrent protection.
- OEM/ODM Ready - Backed by 1-year standard warranty (extendable to 5 years) with custom development support for embedded system integration.
Product Attributes
- Customization
- Available
- Transmission Channel
- Wireless Modem
- Type
- Industrial
- Model NO.
- M400t
- Signal Type
- 4G / 3G
- Installation
- Rack-Mounted
- Clip Function
- Hard Modem
- Interface Type
- USB
- Transmission Rate
- 4G / 3G
- Application
- Industrial, Enterprise
- Transmission Mode
- Cellular Modem
- Class
- 4G Industrial Modem
- SIM Card Slot
- 1
- Ports (Optional)
- RS232, RS485, USB, RJ45
- GNSS (Optional)
- GPS, Galileo, GLONASS, Beidou
- Power
- Dual Power. Adapter & Terminal
- DIN-Rail
- Option
- Antenna
- External Replaceable
- Case Material
- Metal
- Certificates
- CE, RoHS, UKCA, UL, TUV, Anatel, FCC, RU, ETL, et
- Transport Package
- Box
- Specification
- CE, Rohs, etc.
- Trademark
- E-Lins, OEM, ODM, Neutral
- Origin
- Shenzhen, China
- HS Code
- 8517629900
- Production Capacity
- 50, 000PCS/Month
Product Images of Industrial 4G LTE SIM RS232 RS485 USB Cellular Modemand
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Industrial 4G LTE SIM RS232 RS485 USB Cellular Modemand -
Industrial 4G LTE SIM RS232 RS485 USB Cellular Modemand -
Industrial 4G LTE SIM RS232 RS485 USB Cellular Modemand -
Industrial 4G LTE SIM RS232 RS485 USB Cellular Modemand -
Industrial 4G LTE SIM RS232 RS485 USB Cellular Modemand -
Industrial 4G LTE SIM RS232 RS485 USB Cellular Modemand
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Product Description
Series No. | M400 |
P/N | M400t |
Class | Industrial for M2M, IoT, and in-vehicle use |
Cellular | 4G LTE, CAT4 |
USB | 1 * USB 2.0 female, Mini USB |
SIM | 1 * SIM slot |
GNSS | NC. (If need, please choose other models) |
Ports | RS232/RS485/USB/RJ45 port option |
At command | Support at command; Packed with GUI software |
Antennas | External style, replaceable for high gain |
Installation | Desktop, Wall-mount, Din-Rail |
Power | DC 7-36V, typical DC 9V 1A |
Trademark | E-Lins, Neutral, OEM, ODM and other customization |
The M400 series Cellular Modem is a complete wireless data modem providing global cellular network connectivity; where cellular signal available, with 4G/3G/2G fallback capabilities for ensured access to the internet anywhere, providing RS232/RS485/USB port option.
The M400 is an easy to install productivity tool designed to provide maximum accessibility to the mobile professional, allowing quick access to the internet for real-time business transactions, email, web browsing, and more
CELLULAR | |
Mobile Networks | 4G LTE (FDD/TDD); 3G UMTS WCDMA |
Interface | |
Antenna | 2~3 x SMA female interface, 50Ω, external detachable; Antenna for Main Cell, MIMO Cell, GPS |
UIM/SIM | 1.8V/3V 1 x SIM Slot |
Serial port | DB9 or DB15 (RS232/RS485 optional) or terminal block |
USB | USB 2.0 female, Mini USB |
GPS/GNSS (Optional) | GPS, Galileo, Beidou, GLONASS |
POWER | |
Power supply | DC 7V-36V, typical DC 9V1A |
Power consumption | Peak: 700mA@+9VDC Average: 85mA@+9VDC Idle: 30mA@+9VDC |
SOFTWARE | |
Minimum System Requirements | Windows, Linux, Mac OS,IOS, Symbian, Android, other OS Support USB/Serial port |
At command | Support at command; Packed with GUI software |
TCP/IP Stack (option) | Supported (For version support only) |
PHYSICAL INTERFACES | |
USB | 1 x USB 2.0 |
Status LEDs | 1 x SYS 1 x LINK |
Power | 1 x DC power connector 1 x Terminal connector |
Antennas | 2 x CELL 1 x GPS (for models with GPS feature) Replaceable connectors |
PHYSICAL SPECIFICATION | |
Casing material | Aluminium housing |
Dimensions (W x H x D) | 83mm x 25mm x 53mm |
Weight | 150g |
Mounting options | DIN rail, wall mount, flat surface (all require additional kit) |
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI152219". Items marked "
" are certified.
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Company Profile
E-Lins Main Business
Belonged to E-Lins group, E-Lins Technology is the leading developer and manufacturer of wireless M2M and telecom devices such as cellular 3G 4G 5G modem / router / repeater, and computer hardware peripherals in Shenzhen, China.
E-Lins Main Products
E-Lins Technology is a professional wireless product Manufacturer & Wholesaler. Main products are wireless cellular mobile modems, routers, repeaters and industrial PCS.
Routers
5G Router (5G NR SA NSA)
4G Router (FDD LTE and TDD LTE);
3G Router (DC-HSPA+, HSPA+, HSDPA, HSUPA);
2G Router (GSM, GPRS, EDGE);
CDMA Router (CDMA1X, CDMA2000 EVDO);
Modems
5G Modem (5G NR SA NSA)
4G Modem (FDD LTE and TDD LTE);
3G Modem (DC-HSPA+, HSPA+, HSDPA, HSUPA);
2G Modem (GSM, GPRS, EDGE);
CDMA Modem (CDMA1X, CDMA2000 EVDO);
Repeaters
3G, 4G, 5G
Industrial PCS
Rugged Embedded, Rackmount, Portable, Panel PCS
Outdoor AP
Point to point, multi-point centre
Pursuing a highly effective operation system to give customers more satisfaction, we also endeavor to improve our quality and service management. We passed ISO9001/14000 certification and CCC Certification (China Compulsory Certification). We are building an equal development platform to let our employees enjoy working and then share their pleasure with our customers.
Achieving high quality, E-Lins's products are manufactured in-house. In order to meet the requirements of our customers, E-Lins produces quality products that reach the international standards. We have professional QA department to ensure product quality.
With a strong development & research team, E-Lins has been providing OEM and ODM services for over 10 years. The distribution partnership will also be welcome.
Our clients include some of the major global distributors and importers throughout Asia, South and Latin America, Europe, Africa, the Middle East and North America, totally more than 53 countries and regions.
About Our Factory & Business Background
- Address
- Rm. 33, Unit B, Floor12, U Chuanggu, Xinniu Rd, Minzhi, Longhua, 518000, Shenzhen, Guangdong, China
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
- Main Products
- 5g Router, 4G Router, LTE Router, 5g Modem, 4G Modem, Swtich, Gateay, Controller, GSM Cellular Devices
Our Industry Experience & Global Business Record
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- Do these modems have routing, VPN, or firewall functions?
- No. The modems are pure cellular passthrough devices with no routing, VPN, firewall, LAN, WiFi, or DI/DO functions.
- What is the interface for connecting to a host device?
- USB, Serial or RJ45 ports, please refer to the model.
- Do these modems support WiFi?
- No, the modems don't have WiFi capability. Please refer to the 4G/5G routers.
- Do these modems support serial ports (RS232/RS485)?
- Yes, the M400 optional supports the serial port.
- How is the device configured or managed?
- The modems are managed via AT commands only; there is no web-based management interface.
- What network bands do the modems support?
- The modems support 4G LTE, the bands vary based on the country it will be used.
- How many antennas do these modems have?
- 2-3 SMA antenna ports.
- Do these modems support PoE?
- No.
- Can these modems support GPS/GNSS positioning?
- Yes, optional support GPS/GNSS.
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