Introduction
The ZR3000 Series is an industrial-grade 4G router designed for M2M/IoT applications, offering global WCDMA and 4G LTE support. It features a high-performance, low-power consumption CPU and wireless module, ensuring reliable and safe connectivity.

Design and Build
The router is housed in a metal CRS shell for effective heat dissipation and supports a wide power input range of 7.5V to 32V DC. It can be mounted on a desktop, wall, or Din-rail. The device includes hardware and software watchdog timer (WDT) designs and electromagnetic isolation protection for Ethernet interfaces.

Connectivity and Performance
The ZR3000 supports multiple WAN connection methods, including Static IP, DHCP, and PPPOE. It offers VPN client and server support, including EOIP, GRE, IPSec, and L2TPN2N VPNs. The router supports DHCP, DDNS, firewall, NAT, and DMZ host functionalities, along with SNMP, ICMP, TCP/IP, UDP, Telnet, SSH, FTP, HTTP, and HTTPS protocols.

Wireless and Cellular Parameters
The router supports IEEE802.11b/g/n WiFi at 2.4GHz with various security encryption methods. It provides a theoretical bandwidth of up to 150Mbps for FDD LTE and 21Mbps for HSPA+. The device includes two SMA antenna interfaces and supports dual SIM/UIM card slots with ESD protection.

Hardware Specifications
The ZR3000 is powered by an industrial-grade 32-bit MIPS processor with 580MHz speed, 16MB Flash, and 128MB DDR3 RAM. It includes one Ethernet WAN and one LAN interface, both with electromagnetic isolation protection, and a serial port for RS232/RS485.

Environmental and Physical Characteristics
The router operates within a temperature range of -30°C to +70°C and can be stored between -40°C and +80°C. It supports relative humidity from 0% to 95% without condensation. The device measures 102×100×41mm and weighs approximately 355g.

Model Variants and Frequency Bands
The ZR3000 Series includes various models tailored for different regions, supporting specific frequency bands for cellular connectivity. Models are available with or without WiFi capabilities, and all models can optionally include GPS functionality.

Additional Features
The router supports Modbus TCP/RTU and MQTT industry protocols, APN and VPDN private network access, and features like failover, backup, and load balancing between WAN and cellular networks. It also includes a reset button for restoring factory settings.

For more information, visit www.chilinkiot.com or contact via phone at +86 0755 85251157.