4G Industrial Wireless Data Terminal DTU
Model：SIE2000D4A
- 4G high-speed connectivity, cost-effective, low power consumption
- Rich industrial interfaces, multi-protocol support
- Wide operating temperature range: -30°C to 70°C
- RS232/RS485/RS422/TTL, 1*SIM
- High-performance industrial-grade 32-bit communication processor
- Low-power design with multi-level sleep/wake modes to minimize power consumption
- Wide power input range (DC 5–36V)
1. Product Overview
The SIE2000D4A DTU is an IoT wireless data terminal that utilizes public cellular networks to provide users with long-range wireless data transmission. It features a high-performance industrial-grade 32-bit communication processor and wireless module, running on an embedded real-time OS. Equipped with RS232 and RS485 interfaces, it enables direct connection to serial devices for transparent data transmission. Its low-power design includes 3 I/O ports supporting digital I/O, pulse output, analog input, and pulse counting. Widely used in M2M applications such as smart grids, transportation, smart homes, industrial automation, and more.
2. Key Features
1. Industrial-grade components
– 32-bit communication processor
– Multi-level sleep/wake modes for ultra-low power consumption
– IP30-rated metal casing with system isolation for harsh environments
– Wide voltage input (DC 5–36V)
– Watchdog circuit for stability
– 15KV ESD protection on RS232/RS485, SIM, and power interfaces
– Optional lightning protection on antenna interface
2. Industrial terminal interfaces
– 1x RS232 + 1x RS485 (configurable to TTL/ADC)
– Plug-and-play operation
– Remote firmware upgrades via serial port
3. Advanced networking
– Supports 4 concurrent TCP connections
– Dual-data-center backup & multi-center sync (5 centers max)
– APN/VPDN support
– Domain/IP access with embedded TCP/IP stack
3. Application Scenarios
| Industry | Applications |
| Smart Energy | EV chargers, smart metering, oil/gas, solar/wind power |
| Smart Cities | Utilities, traffic management, smart parking |
| Smart Manufacturing | Industrial robots, production line automation |
| Smart Healthcare | Medical device connectivity |
The SIE2000D4A aggregates sensor data through multiple industrial protocols, providing secure wireless transmission:
| Parameter | Specification |
| Standards | Quad-band GSM/GPRS, LTE FDD/TDD全网通 |
| Data Rates | LTE: 150Mbps DL/50Mbps UL |
| Interfaces | RS232/RS485 (15KV ESD protected) |
| Power | DC 5-36V, <80mA@12V (operating) |
| Dimensions | 91×58×22mm (205g) |
| Environment | -35°C to +75°C operating |
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