Y212-G Industrial 4G LTE Serial Gateway

4G Serial Gateway

Industrial 4G LTE serial gateway with RS232 and RS485 access, designed for transparent protocol forwarding, remote maintenance, and cloud connectivity in distributed IoT deployments.

  • 4G LTE
  • RS485
  • RS232
  • MQTT
  • HTTP/HTTPS
  • Industrial IoT

Key Features

01

7-mode/15-band 4G access with fallback support and industrial watchdog protection

02

Dual serial interfaces (RS232 + RS485) with optional secondary TTL UART

03

Supports TCP, UDP, HTTP, HTTPS, MQTT, MQTTS, and WebSocket transparent transmission

04

Includes 2 configurable GPIO and 1 analog input for local monitoring and control

Specifications

Cellular

Module
Qualcomm LTE Cat.4 (Cat.1 compatible)
Bands
LTE-FDD B1/B3/B5/B8; LTE-TDD B34/B38/B39/B40/B41; WCDMA B1/B8; CDMA2000 BC0; GSM EGSM900/DCS1800
Sim
Drawer-style 1.8V / 3V SIM or USIM
Antenna
50 ohm SMA female

Network Protocols

Protocols
TCP, UDP, HTTP, HTTPS, MQTT, MQTTS, WebSocket
Operation Modes
Always-online, on-demand, scheduled, wake-up

Serial Interfaces

Main Port
RS232 + RS485
Baud Rate
1,200~921,600 bps (default 9,600-8-N-1)
Secondary Uart
TTL 3.3V / 5V on some revisions

I/O And Analog

Gpio
2 configurable IO, input or output
Analog Input
1 channel, 0~8V (0~6V recommended for best linearity)

Power Supply

Voltage
DC 5~28V standard, DC 6~65V wide-range option
Recommended Adapter
>=2A
Typical Consumption
20~40 mA @ 12V idle, 60~100 mA @ 12V transmission

Environmental

Operating Temperature
-40°C ~ +85°C
Storage Temperature
-45°C ~ +90°C
Humidity
5% ~ 95% RH, non-condensing
Reliability
MTBF > 200,000 h

Mechanical

Dimensions
80 × 63.8 × 21.3 mm
Weight
≈180 g
Mounting
35 mm DIN rail or panel mounting
Protection
IP20

Talk to our technical team.

Tell us about your interfaces, network environment, and deployment requirements.

Get Selection Advice