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Common Pain Points
Traditional serial communication devices often suffer from wired limitations requiring costly cabling in remote/harsh environments, unstable connectivity due to interference or distance, narrow voltage/temperature ranges causing failures in extreme conditions, complex setup/programming for IoT integration, frequent downtime without auto-recovery, and poor adaptability for legacy PLC/equipment upgrades, severely hindering reliable remote monitoring, data transmission, and cost-effective IoT deployment in industrial automation, smart grid, cold chain, and agriculture.
Solution & Core Features
1. Compact Industrial Design — Compact size (80 × 63.8 × 21.3 mm), rugged metal housing with IP20 protection, supports 35 mm DIN rail or panel mounting, easy deployment in space-limited cabinets or harsh environments.
2. Global 4G Cat.4 Connectivity — Powered by Qualcomm LTE Cat.4 module, achieves up to 150 Mbps downlink / 50 Mbps uplink, supports domestic full-network coverage and mainstream overseas bands, backward compatible with Cat.1 and 2G/3G, 99.9% uptime even in remote areas.
3. Multi-Interface & Cloud-Ready Protocols — Supports RS232 + RS485 serial ports (1200–921600 bps baud rate), optional TTL; supports transparent TCP/UDP, HTTP/HTTPS, MQTT/MQTTS, WebSocket; Modbus TCP ↔ RTU gateway conversion for seamless PLC/SCADA integration.
4. Industrial-Grade Durability & High Reliability — 6–28 VDC , full industrial temperature range -40°C to +85°C; hardware watchdog prevents crashes, ESD/surge/reverse-polarity protection, metal housing ensures 24/7 uninterrupted stable operation.
5. Remote OTA & Plug-and-Play — Pre-installed AT commands, remote configuration, OTA upgrade, logs, and alarm reporting; no site visits needed for maintenance; External SMA antenna connector for flexible antenna selection in weak coverage areas.
Technical Specifications
|
Category |
Parameter |
Details |
|
Basic |
Dimensions |
80 × 63.8 × 21.3 mm |
|
|
Operating Temperature |
-40°C ~ +85°C (industrial grade) |
|
|
Power Supply |
6~28 VDC |
|
|
Power Consumption |
Idle 20-40 mA @12V; TX 60-100 mA @12V; GNSS +30-40 mA |
|
Wireless |
Module |
Qualcomm LTE Cat.4 (Cat.1 compatible, 2G/3G fallback) |
|
|
Frequency Bands |
LTE-FDD: B1/B3/B5/B8；LTE-TDD: B34/B38/B39/B40/ B41；WCDMA B1/B8；CDMA2000 BC0；GSM EGSM900/ DCS1800 |
|
|
Transmit Power |
Class 3 (23 dBm ±2 dB) |
|
|
Data Rate |
Up to 150 Mbps DL / 50 Mbps UL (Cat.4) |
|
|
SIM |
Drawer-style, 1.8V/3V, full-size SIM/USIM |
|
|
Antenna |
SMA female, 50 ohm |
|
Serial |
Interfaces |
RS232 + RS485 (shared terminal), optional TTL |
|
|
Baud Rate |
1200 ~ 921600 bps (default 9600-8-N-1) |
|
|
Data Bits / Parity / Stop Bits |
8 bits, NONE/ODD/EVEN, 1/2 stop bits |
|
I/O |
GPIO |
2 x configurable (input/output, 3.3V logic) |
|
|
Analog Input |
1 x 0-8V (0-6V recommended for best linearity) |
|
Software |
Protocols |
Transparent TCP/UDP Client, HTTP/HTTPS, MQTT/MQTTS, WebSocket, Modbus TCP/RTU Gateway |
|
GNSS |
Optional |
BeiDou + GPS (positioning version) |
|
Mounting & Build |
Mounting |
35 mm DIN rail / panel screws |
|
|
Protection |
IP20 metal housing, ESD/surge/reverse-polarity protection |
Application Scenarios
Widely deployed in industrial automation (PLC remote monitoring/control, factory retrofit), smart grid (interference-resistant metering/data collection), cold chain logistics (temperature tracking in -40°C environments), agriculture (remote sensor/irrigation systems), environmental monitoring, water conservancy, mining/farms (global 4G coverage in remote sites), and all scenarios requiring reliable wireless upgrade of legacy serial devices to cloud/IoT platforms with minimal cost and downtime.
