BusLog 4G 4G LTE Industrial IoT Gateway - SilTech Industries
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BusLog Series

BusLog 4G — 4G LTE Industrial IoT Gateway

4G LTE Industrial IoT Gateway

4G LTE WiFi Backup Modbus RTU 2-DI/2-DO

Industrial 4G LTE Modbus gateway with Wi-Fi failover. Connect RS485 devices to AWS, Azure, or any MQTT/TCP cloud. Zero data loss guaranteed. Made in India.

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✓ 1-Year Warranty ✓ Made in India ✓ Technical Support
✓ Modbus RTU RS485 Input Port
✓ 2 Digital Input, 2 Digital Output Ports
✓ 4G LTE Connectivity with automatic failover
✓ Wi-Fi 802.11 b/g/n Connectivity
✓ MQTT/TCP/HTTPS Based Cloud Connectivity
✓ JSON Formatted Payload Data
✓ Support Modbus Read & Write
✓ Configurable Read and Upload Intervals separately
✓ Internal Memory to Store Data During Network Loss
✓ Local Configuration Via Embedded Web Server
✓ Can be configured to connect to any IoT server
✓ Firmware Update Over The Air (FOTA)
Input Power Supply 9-24V DC with Reverse Polarity Protection
Connectivity 4G LTE CAT-1 (B1/B3/B5/B8, B34/B38/B39/B40/B41) + WiFi 802.11 b/g/n
Modbus RS485 Modbus-RTU input with ESD protection
Digital I/O 2 Digital Inputs, 2 Digital Outputs (Support Vin logic)
Protocols MQTT, TCP/IP, HTTPS
APN Setting Fully automatic APN selection for any network operator across India
Indications Power LED, Network LED, buzzer sounds for events
SMS Commands Supports SMS command configurations, alerts (Optional)
RTC/Time Automatic accurate time syncing with Time servers
Terminal Clamp Cage Screw Terminal
Dimensions 106 × 48 × 53 mm
Enclosure ABS, DIN Rail mount
Certifications RoHS Compliant
Warranty 1 Year
📌 Industry 4.0 monitoring and controlling
📌 Water Flow & Level Meter Data Logging
📌 VFD Control and Monitoring
📌 Temperature, Pressure Sensor Data Logging
📌 DG Monitoring & Data Logging
📌 Energy Metering and Monitoring
📌 PLC Data Logging
📌 Solar Chargers & Inverter Monitoring

Compliance & Standards

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CGWA Ready

Meets CGWA telemetry norms for groundwater extraction monitoring — electromagnetic/ultrasonic flow meter support, Modbus RTU, 4G cloud connectivity, tamper detection.

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RoHS Compliant

Manufactured in compliance with RoHS (Restriction of Hazardous Substances) standards.

About BusLog 4G

SilTech IIOT Gateway Model 'BusLog 4G_v2' is a Modbus to 4G & Wi-Fi IIOT Gateway. This device can be connected to any MQTT/TCP/HTTPS enabled cloud server for data logging purposes. Device sends data in standard JSON format. Device can be connected to internet via inbuilt 4G-LTE/Wi-Fi connectivity. If Wi-Fi network fails, the device automatically switches to 4G service, and in total network failure the device will automatically shift to storage mode to store the data. The device provides seamless network connectivity and is designed to work 24×7. The ABS enclosure along with DIN Rail wall mounting option makes it suitable for any industrial environment.

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Bengaluru, Karnataka, India