SZ11-GW-3 Zigbee Gateway


Interface Type:4-channel WAN port, 232 serial port, 485 serial port, USB and 4-channel AD/IO interfaceData protocol:Support transparent transmission, MODBUS RTU to TCP, MQTTRAM:DDR2 128MBFLASH:128MDescription:It uses an industrial-grade 32-bit processor and provides one serial port (RS232/RS485) and four Ethernet LANs.


1、Product introduction
SZ11-GW-3 “Gathering Box” intelligent gateway is an IoT wireless communication gateway. It 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 to build a platform for IoT applications, which can be widely used in self-service terminal industries, smart grid, intelligent transportation, supply chain automation, industrial automation, and intelligence. Construction, fire protection, environmental protection, smart medical care, intelligent lighting, intelligent agriculture and coal mines, oil and other occasions.

2、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 Industrial high-speed 4G wireless communication module, 32-bit high-performance processor, front-end acquisition information transmission, real-time and higher speed
WiFi function mode Support AP, STA, Repeater multiple modes Stable data transmission Wired network cable backs up each other, multi-network intelligent switching backup, data disconnected network storage continues to transmit, not lost
Network compatibility Full Netcom experience, fully compatible with 2G, 3G, 4G networks of Telecom, Mobile and China Unicom Easy to operate Proactively polling MODBUS devices, eliminating the need for 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

3、Product parameters

4G working frequency FDDLTE:B1/B3  TDDLTE:B38/B39/B40/B41

CDMA2000 1x/EVDO:BC0


Transmit power FDD LTE:23±2dbm       TDD LTE:23±2dbm

TDSCDMA : 24 +1/-3dbm  GSM 900Mhz:33±2dbm

GSM 1800Mhz:30±2dbm

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

LTE-TDD:Max61Mbps(DL) Max18Mbps(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(20M)

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

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

TDSCDMA B34: -110dbmTDSCDMA B39: -110dbm

CDMA BC0: -108dbm     GSM 900: -110dBm

GSM 1800: -109dBm

Zigbee Radio frequency 2400-2485M 2.4G ISMFree frequency band Transmit power 20dbm
Wireless rate fixed250K Receiving sensitivity -104dbm
WiFi Standard and frequency band stand by IEEE802.11b/g/n standard Transmit power 20dbm
Theoretical bandwidth UP TO 300Mbps
Antenna interface 4G/Zigbee/WiFi antenna interface: SMA-K female AD/IO 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)
button Support RESET button (restore factory settings) COM 1 way RS485/1 way RS232
Ethernet interface 1/4 X WAN 10/100MbpsAdaptive Ethernet port USB 1 way USB port
Power supply range 9-24V DC CPU 32-bit
Average operating current 320mA@12VDC FLASH 128M
size Length × width × height(mm) 147×58.5×147 DDR2 128M