Intelligent IoT ZR5721-D Industrial Dual SIM 4G Wireless Router

Introduction
Zhilian IoT ZR5721-D 4G Broadband Router is an IoT wireless communication router that provides convenient and fast network transmission for users through a 7 mode 15 frequency (TDD/TDScdma/FDD/WCDMA/GSM/EVDO/CDMA 1X) mobile broadband network.
This series of products adopts a high-performance industrial-grade 32-bit communication processor, with an embedded real-time operating system as the software support platform, providing users with a secure, high-speed, stable, and reliable 3G/4G wireless router network. It offers 4 LAN ports, 1 WAN port, 485/232, and WIFI interfaces.
This series of products has been widely used in industries such as finance, postal services, smart grids, intelligent transportation, environmental monitoring, fire monitoring, security monitoring, water conservancy monitoring, public safety, advertising publishing, industrial control, earthquake monitoring, meteorological monitoring, and instrument monitoring.

Product Features
Industrial Grade Design
? High-performance industrial-grade wireless module
? High-performance industrial-grade 32-bit processor
? Supports low power consumption mode, including sleep mode, timed online and offline

Modes and timed power on/off
? Cold-rolled steel shell
? Power supply: +7.5V~32V DC (maximum 36V)
? Protection level: IP34 (can handle up to IP51)

Network Features
? Port traffic detection
? Real-time link monitoring
? Multiple VPN protocols (PPTP, L2TP, IPSec, VPN)
? Serial port DTU function support
? Supports on-demand dial-up (voice, SMS, or data trigger)
? Supports UPnP
? Transmission rates up to 150Mbps~300Mbps

Stable and Reliable
? Adopts software and hardware watchdog and multi-level link detection mechanism, with fault automatic detection and recovery capability, ensuring stable and reliable operation of the device
? Multi-device self-check mechanism ensures smooth links and alarms
? ESD protection for all interfaces to prevent electrostatic shock
? Equipped with wireless network signal indicators, displaying signal strength in three levels

Remote Management
? Supports remote parameter configuration
? Supports remote parameter backup
? Supports remote reboot and log query
? Supports local remote platform firmware device upgrade
? Supports online monitoring of devices and real-time traffic monitoring
? Supports SMS wake-up mode

Functional Features
? Simultaneously supports 4G (FDD and TDD) LTE networks, downward compatibility with HSUPA/EVDO/GPRS various network standards
? Supports 1 WAN + 4 LAN, provides standard RS-232 / RS-485 interface
? Supports WIFI, compliant with IEEE802.11b/g/n
? Supports wired and wireless network backup
? Supports hardware WDT, providing a drop-off prevention mechanism to ensure data

Terminal Online
? Supports multiple VPN protocols including PPTP, L2TP, GRE
? Supports SNMP management protocol
? Supports WIFI forced advertisement push function
? Supports DHCP, DDNS, firewall, NAT, and DMZ host functions
? Supports ICMP, TCP, UDP, Telnet, FTP, HTTP, HTTPS and other network protocols
? Anti-theft and anti-drop SIM/UIM card design

Extended Features
? Supports dual-mode dual-card. Adopts dual-mode dual-card design, dual mode operates simultaneously, SIM card switching takes only 5-6 seconds, can distinguish transmission based on SIM card signal strength or main/secondary mode, supports wired to wifi, 4G to wifi, supports wired/wireless dual backup [optional]
? Supports single-mode dual-card [optional]
? Supports GPS/Beidou positioning. Achieves centralized location management and maintenance of devices [optional]
? Supports internal storage expansion, 2GB-32GB [optional]

M2M Management Cloud Platform for Unified Centralized Management
? Device fault alarms, improving online rate of devices in remote areas
? Operation upgrade, fault self-recovery, ensuring smooth transmission pipeline, enhancing large-scale management
? Multiple encryption technologies ensure the security of communication link data
? Remote management and maintenance of devices, reducing operational costs, improving efficiency
? Supports network management functions, controllable traffic, reducing operational costs
? Automatically generates business statistical reports, providing strong basis for operational decision-making


Product Specifications
Wireless Parameters
Wireless Module: Industrial-grade wireless module
Standards and Frequency Bands: FDD-LTE (Band1/3/5)
TDD-LTE (Band38/39/40/41), TD-Scdma (Band34, Band39)
HSPA (900/2100MHz)/GSM850/900/1800/1900MHz
EV-DO & CDMA 1X (800MHz)
Theoretical Bandwidth: FDD: 100/50Mbps, TDD: 61/18Mbps
Transmission Power: <24dBm
Receiving Sensitivity: <-109dBm
WIFI Wireless Parameters
Standards and Frequency Bandwidth: Supports IEEE802.11b/g/n standards, high-speed rates up to 150Mbps/300Mbps [optional]
Security Encryption: Supports WEP, WPA, WPA2 and various encryption methods, WPS function optional
Transmission Power: 16-17dBm (11g), 18-20dBm (11b), 15dBm (11n)
Receiving Sensitivity: <-72dBm@54Mbps
Interface Type
LAN: 4 Ethernet interfaces (RJ45 sockets), adaptive MDI/MDIX, built-in electromagnetic isolation protection
WAN: 1 WAN port, adaptive MDI/MDIX, built-in electromagnetic isolation protection
Industrial Interface: 1 communication RS485/RS232 interface, suitable for collection devices with RS485/232 interfaces
Indicator Lights: Contains "WAN", 4 X "LAN", "WLAN", "NET" indicator lights, where the "NET" light is a three-color light
(Red: Poor network signal; Orange: Average network signal; Green: Good network signal)
Antenna Interface: 3 standard SMA antenna interfaces (WIFI/GPS and 2 x 3G), characteristic impedance 50 ohms
SIM/UIM Interface: SIM/UIM card engineering cover, protects the card from falling out. 1.8V/3V automatic detection
Power Interface: 7.5V~32V (standard DC12V/1.5A), built-in power instantaneous overvoltage protection
Reset Button: This button can restore the Router's parameter configuration to factory settings
Power Supply
? Standard Power Supply: DC 12V/1.5A
Appearance Characteristics
? Shell: Aluminum alloy profile shell
? Dimensions: 150×102×25.5mm
? Weight: Approximately 530g
Other Parameters
? CPU: MIPS32 74K Core. 533MHz/560DMIPs
? Flash/RAM: 64Mb / 256Mb
? Operating Temperature: -30~+75℃
? Storage Temperature: -40~+85℃
? Relative Humidity: < 95% non-condensing