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Technical Description

WTC-6880 series RTU integrate the BEIDOU satellite data communication for data-transfer reliability and security under extreme situations. The WTC-6880 BeiDou + 4G/5G Remote Terminal Unit (RTU) integrates 4G/5G communication, BeiDou-3 short message communication, data acquisition, and navigation and positioning modules into a single, versatile device.

It offers comprehensive functions including data acquisition, storage, analysis, control, early warning, communication, and positioning. Designed for reliability, the WTC-6880 provides robust communication even under harsh environmental conditions, effectively addressing challenges such as remote areas without public network coverage, extreme weather conditions, and disaster-prone environments where signals are prone to disruption.

The WTC-6880 supports direct connection to sensors such as rainfall and water level meters. In the event of 4G/5G network failure, the system automatically switches to BeiDou communication, ensuring continuous data transmission.

Empowering critical monitoring and early warning systems, the WTC-6880 ensures reliable communication and operational continuity, even when conventional networks are unavailable.

Application Scenarios

Features

●  BeiDou & 4G/5G Dual-Channel BackupUnaffected by weather/geographic constraints

4G/5G as primary channel, auto-switches to BeiDou when public network fails

Ensures data monitoring/early warning transmission during extreme weather events

Configurable BeiDou primary channel for remote areas without public network coverage

●  Compliant with water resources industry standard transmission protocols for provincial/municipal/county monitoring platforms:

SL 651-2014 "Hydrological Monitoring Data Communication Protocol"

SZY 206-2016 "Water Resources Monitoring Data Transmission Protocol"

SLT 427-2021 "Water Resources Monitoring Data Transmission Protocol"

●  Versatile Interfaces for Multi-Sensor Connectivity

RS232/485, pulse, analog, and digital I/O ports

Compatible with rainfall, water level, flow rate, wind speed/direction, displacement, seepage pressure sensors

●  Multi-Destination Reporting with Configurable Modes

Supports 1-4 monitoring centers (provincial/municipal/county levels)

Configurable reporting modes:  Autonomous reporting Autonomous reporting with confirmation Query-response Hybrid autonomous/query-response

●  Smart Multi-level Alert System

Customizable alert thresholds and levels

Auto-triggers alarms for out-of-range data

●  Multiple Operation Modes

Low-power sleep + wake-up

4G/5G online + BeiDou short message wake-up

Full online mode

●  Robust Protection - Field Communication "Warrior"

High temperature/aging resistance

Lightning/rain protection (IP67)

Aviation connectors for all interfaces

●  Flexible Parameter Configuration

Remote wireless setup

Bluetooth proximity configuration

Serial port configuration

• How does the WTC-6880 guarantee data transmission in disasters?

  • ​Automatic dual-network failover: ✓ ​Primary: 4G/5G cellular ✓ ​Backup: ​BeiDou-3 satellite​ (no ground networks needed) → <60s switch during outages (floods/earthquakes/storms)

• Where is this RTU essential for critical operations?

  • Completely offline & extreme environments: ✔ Hydropower dam monitoring ✔ Remote desert/ocean sensor networks ✔ Early-warning systems in disaster zones ✓ ​​-40°C to +75°C operation​ + IP68-rated enclosure