- Dual-mode NB-IoT and LTE Cat-M1 connectivity (Japan bands).
- Supports MQTT(S), HTTP(S), and FTP(S) protocols.
- Multi-sensor support: SDI-12, analog, and pulse inputs.
- Ultra-low power consumption for long battery life.
- Internal flash memory for measurement data storage.
- Real-time clock with NTP synchronization.
- USB configuration interface for easy setup.
- Rechargeable battery with optional external solar panel.
- Rugged IP67 aluminium housing for outdoor and industrial use.
TBSL1/RFB-NbIOT-CatM1-JP
Multi-sensors Nb-IOT Cat M1 dual mode RTU
The TBSL1/RFB-NbIOT-CatM1-JP is a multi-sensor Remote Telemetry Unit (RTU) designed for the Japanese market, supporting dual-mode NB-IoT and LTE Cat-M1 communication. It enables reliable, low-power data transmission from multiple sensors and is ideal for environmental monitoring, smart infrastructure, utilities, and industrial IoT applications. This model supports battery and solar-powered operation, making it suitable for long-term outdoor deployments.
Features
Key capabilities and advantages
Specification
Technical specifications and parameters
| Modem | Dual-mode NB-IoT / LTE Cat-M1. |
| Cellular Frequencies | LTE Cat-M1(B1 / B2 / B3 / B4 / B5 / B8 / B12 / B13 / B18 / B19 / B20 / B25 / B26 / B27 / B28 / B66 / B85) and NB-IoT (B1 / B2 / B3 / B4 / B5 / B8 / B12 / B13 / B18 / B19 / B20 / B25 / B28 / B66 / B71 / B85). |
| Protocols | MQTT(S) / HTTP(S) / FTP(S). |
| Supported sensor types | Multi. |
| SDI-12 | v1.4. |
| Analog inputs | 2 × configurable inputs/Voltage: 0–2.5 V/Current: 4–20 mA. |
| Pulse input | 1 × input/Voltage: 0–3 V/Maximum frequency: 1 Hz. |
| Sensor connectors | 2 × LLT-M14BMC07 and SDI-12 / analog / pulse signals multiplexed. |
| Power source | Rechargeable battery and external solar panel. |
| Solar panel MPP voltage | 5 V. |
| Solar panel power | 2–5 W. |
| Idle current | 400 µA. |
| Battery type | 1 × 3.7 V Li-ion or Li-Po battery/With safety PCB and 10k NTC. |
| Battery connector | JST B3B-XH-A(LF)(SN). |
| Solar panel connector | 1 × LLT-M14BMC05. |
| Configuration interface | USB. |
| Configuration port | USB-B. |
| Measurement storage | 128 Mbits embedded flash. |
| Real-time retained | Yes. |
| Real-time synchronization | NTP server. |
| Protection | Waterproof. |
| Material | Aluminium. |
| Ingress protection | IP67. |
| Housing details | SP-AG-FA3-1 family. Single-piece gasket. TNC antenna connector. Gore-Tex vent. IP67 circular panel connector. |
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