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WL-M303 Series

Product catalog summary

Overview
The WL-M303 Series USB Modem is an industrial-grade 3G/4G cellular modem with a USB interface, designed for SMS and dial-up functions over 2G/3G/4G networks. It supports up to 100Mbps downlink and 50Mbps uplink speeds, making it suitable for remote data transfer in industrial applications. Configuration and control are managed via AT-commands.

Industrial Class Design
- High-powered industrial cellular module with strong anti-jamming capabilities.
- PCB compliant with 3H and 3W standards.
- Wide voltage power supply range.

Flexibility and Convenience
- Supports standard USB 2.0 interface for easy integration with industrial PCs or USB devices.
- Plug & Play solution for quick setup.
- Power control via interface control line.

Stability and Reliability
- Supports serial I/O hardware reset for consistent online connectivity.
- Features link detection and watchdog design with WDT support.
- ESD protection for SIM card and USB interface.
- Robust metal case with IP30 protection and anti-lightning features.

Cellular Network Specifications
- Supports FDD-LTE, TDD-LTE, HSDPA, EDGE, GPRS, and GSM across various frequency bands.
- CSD up to 9.6kbps.
- AT Command support and LED indicators.

Power and Consumption
- Voltage: DC +5~26V (standard 12V/1A adapter).
- Consumption: 46mA during transmission, 25mA when idle.
- Radio Power: 3G <24dBm, 4G 23dBm±2dB.

Interface and Physical Characteristics
- Antenna: SMA-K (Female), 50Ω.
- SIM Slot: Standard SIM/R-UIM interface.
- USB 2.0 port with ±15KV ESD protection.
- Metal housing with IP30 protection.
- Dimensions: 64mm x 73mm x 26mm.
- Weight: 120g.
- Compatible with Windows and Linux operating systems.

Environmental Specifications
- Operating temperature: -30 to +75 degrees Celsius.
- Storage temperature: -40 to +85 degrees Celsius.
- Relative humidity: <95% (non-condensing).

Ordering Information
The datasheet lists various models with different network frequency bands and interfaces. For specific model inquiries, contact WLINK sales or distributors.

Catalog excerpts

Shenzhen Wlink Technology Co., LTD WL-M303 Series USB Modem Datasheet Over View WL-M303 family industrial 3G/4G cellular Modem with USB interface is the modem that provides SMS and dial-up function by 2G/3G/4G Cellular network cater for industrial application requirement. The configuration and controlling can be made using AT-commands. The modem which supports up to 100Mbps downlink speed and 50Mbps uplink speed service can utilize the 4G/3G network for convenient and inexpensive data transfer from remote instruments, meters, computers or control systems in packet data. Due to the performance industrial module, robust metal case and a wide operating temperature range, this model is well suitable for industrial application. Industrial Class Design • High-powered Industrial cellular module provide the strong anti-jamming ability • Wide range Voltage power supply • Support standard USB2.0 interface that can plug into industrial PC or end USB device • Plug & Play solution for quick and easy integration , flexible and reliable • Control the power on/off by interface control line, easy for user device to control the operation of the modem • The modem support serial I/O hardware reset to ensure always online • Link detection and watch-dog design, support WDT to ensure always online transmission • UIM/SIM SIM card ESD Protection: 1.8V/3V Standard • Robust Metal Case and anti-lightning protection Web: www.wlink-tech.com Add: 2A, Building F5, TCL International e-city, Nanshan, Shenzen, China Tel: 86-755-86089513 Email: [email protected] Shenzhen Wlink Technology Co., Limited

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gg || ■ | Shenzhen W link Technology Co., LTD lr>lir^ mmitimmiattm-n WL-M303 Series USB Modem Datasheet Specification Network and Frequency Band: FDD-LTE / TDD-LTE: 800/900/1800/1900/2100/2600 Cellular Network HSDPA 2100/1900/900/850Mhz Receive Sensibility Voltage: DC +5~26V (standard 12V/1A power adapter) Comsumption: transimission 46mA, Idling 25 mA Interface Antenna: SMA-K(Female), 50Q SIM Slot: Standard SIM/R-UIM interface Physical Housing: Metal, IP30 Protection Dimension: 64mm*73mm*26mm (not including antenna) Installation: Wall Mount or Desktop Weight: 120g Operation System Windows 9x/ME/NT/2000/XP...

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WL-M303 Series USB Modem Datasheet Ordering Information Part Number Frequency Band Note: The above list includes partial of WLINK models only, please consult WLINK sales person or distributor if can't find a suitable model from the above list. Web: www.wlink-tech.com Add: 2A, Building F5, TCL International e-city, Nanshan, Shenzen, China Tel: 86-755-86089513 Email: [email protected] Shenzhen Wlink Technology Co., Limited

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