Comprehensive Product Summary: EX9212LoRa-E/4G

---

### 1. Product Overview

Product Name: LoRa Interface Converter & Gateway
Model: EX9212LoRa-E/4G
Series: EX9212LoRa Series
Article Number: EX9212LoRa-E/4G
Manufacturer: TOPSCCC (www.topsccc.com)
Edition: User Manual Version 1.1.0 (2019-09-19)

The EX9212LoRa-E/4G is a high-performance Ethernet-to-LoRa interface gateway designed for long-range IoT communication and industrial automation applications. It provides transparent data transmission between Ethernet networks and LoRa wireless nodes, supporting optional LoRaWAN Server Lite (MQTT) functionality. The device integrates a 32-bit MCU, Semtech SX1272 LoRa transceiver, and robust network protocols, enabling reliable, secure, and efficient data exchange across extended distances.

---

### 2. Key Features

- LoRa to Ethernet Transparent Bridge: Converts LoRa wireless data to Ethernet TCP/IP communication seamlessly.
- Optional LoRaWAN Server Lite (MQTT): Enables lightweight LoRaWAN server functionality for IoT applications.
- High-Performance MCU: 32-bit microcontroller operating at 40 MHz with 16 KB SRAM and 128 KB Flash ROM.
- Semtech SX1272 LoRa Chipset: Ensures long-range, low-power communication in the ISM 862–936 MHz band.
- Extended Communication Range: Up to 7.5 km in free-space conditions.
- High Sensitivity and Power: Receiver sensitivity of -137 dBm and transmit power up to +20 dBm.
- Low Power Consumption: Sleep current as low as 3 µA; TX current <140 mA @ 20 dBm.
- Advanced Security: Integrated AES encryption engine supporting 128/192/256-bit keys.
- Flexible Network Modes: Supports TCP Server, TCP Client, and UDP modes.
- Web-Based Configuration: Simple setup via HTTP browser (Internet Explorer) or Windows utility.
- Industrial-Grade Design: Compact, durable plastic enclosure suitable for harsh environments.
- Built-in Protection: 1.5 kV magnetic isolation on Ethernet port for surge and noise immunity.
- LED Indicators: SYS (green), Rx (red), Tx (green) for operational status.
- Wide Power Input Range: Operates from 9–24 VDC with low current draw.
- Environmental Resilience: Operating temperature range from -10°C to +70°C.

---

### 3. Technical Specifications

Processor & Memory:
- CPU: 32-bit MCU, 40 MHz
- Memory: 16 KB SRAM
- Flash Storage: 128 KB ROM

LoRa Wireless Interface:
- Chipset: Semtech SX1272
- Frequency Range: ISM band 862–936 MHz
- Receiver Sensitivity: -137 dBm
- Transmit Power: +20 dBm
- Sleep Current: 3 µA (power-down mode)
- TX Current: <140 mA @ 20 dBm
- RX Current: <10 mA
- Security: AES 128/192/256-bit encryption
- Packet Engine: Up to 256 bytes with CRC
- Antenna: SMA type, 2 dBi, replaceable
- Communication Distance: 1.5–7.5 km (free space)
- Data Rate: 0.244–18.2 kbps (LoRa) / 300 kbps (FSK)
- Topology: Star network configuration

Ethernet Interface:
- Connector: RJ-45
- Speed: 10/100 Mbps (auto-detect)
- Supported Protocols: ARP, IP, ICMP, UDP, TCP, HTTP, DHCP
- Operating Modes: TCP Server, TCP Client, UDP
- Configuration: HTTP browser setup (IE) or Windows utility
- Security: Login password protection
- Isolation: Built-in 1.5 kV magnetic isolation

Power Requirements:
- Input Voltage: 9–24 VDC
- Typical Consumption:
- 9 VDC @ 120 mA
- 12 VDC @ 95 mA
- 24 VDC @ 60 mA
- Optional Power Adapter: 9–24 VDC, 500 mA

Physical Characteristics:
- Dimensions: 100 × 90 × 25 mm (W × D × H)
- Weight: 150 g (excluding power supply)
- Enclosure: Industrial-grade plastic housing

Environmental Conditions:
- Operating Temperature: -10°C to +70°C
- Storage Temperature: -20°C to +80°C

Indicators:
- SYS (green): Power/system status
- Rx (red): Data reception
- Tx (green): Data transmission

---

### 4. Functionality

The EX9212LoRa-E/4G functions as a transparent LoRa-to-Ethernet converter, bridging long-range LoRa wireless networks with standard Ethernet-based LANs or host computers. It enables remote IoT nodes to communicate with centralized systems over extended distances using LoRa modulation, while maintaining compatibility with TCP/IP-based applications.

Use Cases & Applications:
- Smart metering (water, gas, electricity)
- Community automation and safety systems
- Environmental monitoring (temperature, humidity, air quality)
- Agricultural and livestock management
- Smart street lighting and energy management
- Industrial data acquisition and remote control

Compatibility:
- Works with other EX9212LoRa series devices (EX9212LoRa-S, EX9212LoRa-U, EX9212LoRa-DIO).
- Supports Modbus TCP/RTU/ASCII communication modes.
- Compatible with Windows-based configuration utilities and standard web browsers.

---

### 5. Components & Accessories

Included Items:
- 1 × EX9212LoRa-E/4G Gateway Unit
- 1 × SMA Antenna (2 dBi, detachable)
- 1 × Power Adapter (9–24 VDC, 500 mA, optional)
- 1 × Documentation & Utility CD (includes drivers and setup tools)

Optional Accessories:
- USB-to-RS232 converter (for configuration)
- Replacement antennas (higher gain options)
- DIN-rail mounting kit (optional)

Connectors:
- RJ-45 Ethernet port
- DC-IN power jack (inner positive, outer negative)
- SMA antenna connector
- Reset button for reboot/factory reset

---

### 6. Installation & Setup

Power Connection:
- Supply 9–24 VDC via DC jack or terminal block (2-wire).
- The SYS LED illuminates when power is correctly applied.

Network Connection:
- Connect the RJ-45 port to a LAN switch or router.
- The LAN LED indicates link status; Tx/Rx LEDs blink during data transfer.

Configuration Methods:
1. Web Browser Setup:
- Default IP: 192.168.0.100
- Access via Internet Explorer; no password required initially.
- Configure network parameters, LoRa settings, and operation mode.
2. Windows Utility (EXBrowser.EXE):
- Detects and modifies device IP and communication parameters.
- Supports firmware updates and diagnostics.

Reset Procedure:
- Press Reset button for 2–4 seconds to reboot.
- Hold for >5 seconds to restore factory defaults.

Dip Switch Configuration:
- Switches #1–#4 up: Setting mode (modify LoRa parameters).
- Switch #1 down: Operation mode (normal data transmission).

---

### 7. Performance & Capabilities

Communication Range:
- Up to 7.5 km in open environments (line-of-sight).
- Range may vary depending on antenna gain, terrain, and interference.

Data Throughput:
- LoRa: 0.244–18.2 kbps
- FSK: Up to 300 kbps
- Ethernet: 10/100 Mbps auto-negotiation

Latency & Reliability:
- Optimized for low-latency, long-distance communication.
- CRC-based packet integrity verification ensures data reliability.

Power Efficiency:
- Ultra-low sleep current (3 µA) for energy-sensitive deployments.
- Efficient DC power design minimizes heat generation.

Limitations:
- Designed for star topology; not suitable for mesh networks.
- Requires line-of-sight for maximum range performance.
- Configuration limited to Windows and IE environments.

---

### 8. Standards & Compliance

Communication Standards:
- LoRa modulation compliant with Semtech SX1272 specifications.
- Ethernet IEEE 802.3 10/100Base-TX compliant.
- Modbus TCP/RTU/ASCII protocol support.

Electrical & Safety:
- Built-in 1.5 kV magnetic isolation on Ethernet port.
- Surge protection on RS-485 interface (for related models).
- 3000 VDC isolation on digital inputs (EX9212LoRa-DIO variant).

Regulatory Compliance:
- Designed for ISM band operation (862–936 MHz).
- Meets industrial EMC and safety standards for communication devices.

Environmental Compliance:
- RoHS-compliant materials and construction.

---

### 9. Additional Information

Warranty:
- Standard manufacturer warranty (duration varies by region).
- Covers defects in materials and workmanship under normal use.

Technical Support:
- Online resources and documentation available at www.topsccc.com.
- Firmware updates and configuration utilities provided via support portal.

Maintenance:
- Periodic inspection of antenna and connectors recommended.
- Keep device in a dry, ventilated environment.
- Firmware updates can be applied via Windows utility.

Software Tools:
- EXBrowser.EXE: IP search and configuration tool.
- LoRa Setting Utility: Adjusts frequency, spreading factor, bandwidth, and encryption.
- Modbus Configuration: For integration with Modbus TCP/RTU systems.

Firmware & Updates:
- Supports parameter backup and firmware upgrade via Ethernet.
- Encryption keys and LoRa parameters can be customized for secure pairing.

---

### Summary

The EX9212LoRa-E/4G is a robust, industrial-grade LoRa-to-Ethernet gateway engineered for long-range IoT communication. With its Semtech SX1272 transceiver, 32-bit MCU, and comprehensive TCP/IP protocol support, it bridges wireless LoRa networks with Ethernet-based systems efficiently. The device’s flexible configuration options, strong security features, and wide environmental tolerance make it ideal for smart city infrastructure, industrial automation, and remote monitoring applications. Optional LoRaWAN Server Lite (MQTT) functionality further enhances its integration into modern IoT ecosystems, providing a scalable and secure communication backbone for distributed sensor networks.