SZ11-GW-3 JuHe Gateway

SZ11-GW-3 JuHe Gateway

Product Description

SZ11-GW-3 JuHe Gateway

SZ11-GW-3 JuHe Gateway

First, product introduction

The SZ11-GW-3 Gathering Gateway is an IoT wireless communication gateway that uses the public network wireless network + small wireless network to provide users with the function of eliminating field wiring and wireless long-distance data transmission.

The product uses a high-performance industrial-grade 32-bit processor and an industrial-grade wireless communication module. It also provides one serial port (RS232/RS485), four Ethernet LAN ports, one Ethernet WAN port, and supports WIFI as an AP. /Repeater/STA, so you can connect serial devices, Ethernet devices and WIFI devices at the same time, which is a perfect platform for IoT applications. It can be widely used in self-service terminal industry, smart grid, intelligent transportation, supply chain automation, industry. Automation, intelligent building, fire protection, environmental protection, smart medical, intelligent lighting, intelligent agriculture and coal, oil and other occasions.

Second, product performance

Super communication function

Uplink support WIFI, 4G, network port access to the Internet, multi-network simultaneous online, downlink reservation optional multiple wireless communication, ZIGBEE, LoRa, Bluetooth, etc.

Efficient data collection

The industrial-grade high-speed 4G wireless communication module is used to configure a 32-bit high-performance processor, and the front-end acquisition information transmission is more real-time and higher-speed

WiFi function mode

Support AP, STA, Repeater multiple modes

Stable data transmission

The wired network cables are backed up to each other, and the multi-network intelligent switching backups, the data is disconnected from the network, and the data is not lost

Network compatibility

Stable full Netcom speed experience, fully compatible with Telecom, Mobile, China Unicom's 2G, 3G, 4G network

Easy to operate

Proactively polling MODBUS devices, eliminating the need to input cumbersome SCADA Modbus commands

Rich interface

4-channel WAN port, 232 serial port, 485 serial port, USB and 4-channel AD/IO interface

Rich agreement

Support transparent transmission, MODBUS RTU to TCP, MQTT

Third, the product parameters


working frequency

FDDLTE:B1/B3  TDDLTE:B38/B39/B40/B41



Transmit power

FDD LTE:23±2dbmTDD LTE:23±2dbm

TDSCDMA:24+1/-3dbmGSM 900Mhz:33±2dbm

GSM 1800Mhz:30±2dbm

Transmission rate

LTE-FDD:Max100Mbps(DL) Max50Mbps(UL)

LTE-TDD:Max61Mbps(DL) Max18Mbps(UL)

SCDMA-TD:Max4.2Mbps(DL) Max2.2Mbps(UL)

CDMA:Max 5.4Mbps(DL) Max14.7Mbps(UL)

GPRS:Max 85.6Kbps(DL) Max85.6Kbps(UL)

Receiving sensitivity

FDD B1:-97dBm(20M) FDD B3:-96dBm

TDD B38:-94dBm(20M)TDD B39:-94dBm

TDD B40:-94dBm(20M)TDD B41:-93.5dBm

TDSCDMA B34:-110dbm TDSCDMA B39:-110dbm

CDMA BC0:-108dbm    GSM 900:-110dBm

GSM 1800:-109dBm


Radio frequency

2400-2485M 2.4G ISM Free frequency band

Transmit power


Wireless rate

Fixed 250K

Receiving sensitivity



Standard and frequency band

Support IEEE802.11b/g/n standard

Transmit power


Theoretical bandwidth

UP TO 300Mbps

Antenna interface

4G/Zigbee/WiFi antenna interface: SMA-K female

AD/IO port

4-channel AD/IO acquisition (select different functions according to user requirements, optional 0-5V, 4-20MA, switch acquisition, high and low level acquisition, high and low level output)


Support RESET button (restore factory settings)

COM port

1 way RS485/1 way RS232

Ethernet interface

1/4 X WAN 10/100Mbps Adaptive Ethernet Port

USB port

1 way USB port

Power supply range

9-24V DC



Average operating current

About 320mA@12VDC




Length × width × height (mm) 147 × 58.5 × 147