The USR-DR154-E is an ultra-compact industrial 4G LTE Cat 1 modem from USR IOT. It ensures seamless data transmission between RS485 serial devices and cellular networks, making it perfect for various IoT applications. The modem supports transparent RS485-to-4G transmission and multiple protocols, including TCP, UDP, HTTP, and MQTT. Advanced features like timeout restart, DNS, heartbeat packet, and registration packet enhance reliability. This compact solution simplifies data transfer for field serial devices.
Features:
- Ultra-compact "lipstick" design for easy integration
- Transparent RS485-to-4G data transmission
- Supports TCP, UDP, HTTP, MQTT, and SSL encryption
- Modbus gateway for TCP/RTU conversion (PLC and SCADA integration)
- Technical specifications:
- Frequency bands: LTE FDD B1/3/5/7/8/20/28
- Data rates: downlink up to 10,3 Mbps; uplink up to 5,1 Mbps.
- Power supply: 5–24 V DC; average 0,8 W, max 3,5 W
- Operating temperature: -25 ℃ to 75 ℃
- Dimensions: 74 × 24 × 22 mm; DIN-rail installation
Product benefits:
- Small and very affordable
Applications:
- Industrial automation: connects serial devices to cellular networks for remote monitoring and control
- Smart agriculture: enables data transmission from field sensors to centralized systems
- Environmental monitoring: transmits data from remote sensors to monitoring stations
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Note: Samples are provided for development projects only, not for individual personal use.
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