Intelligent IoT ZR2721-D Single-mode Dual-SIM 4G Wireless Router

**Product Details:** The Zhilian IoT ZR2721-D Industrial Grade 4G Router is an IoT wireless communication router that adopts internationally standardized FDD-LTE, TDD-LTE 4G full network access with 7-mode broadband network standards, providing users with convenient and fast high-speed network transmission capabilities. This series of products utilizes a high-performance 32-bit professional network communication processor, supported by an embedded real-time operating system as the software platform, providing users with a secure, high-speed, stable, and reliable 4G wireless routing network, and supports 2 Ethernet RJ45 interfaces and communication serial ports. This series of products can be widely applied in industries such as finance, postal services, smart grids, intelligent transportation, environmental monitoring, fire monitoring, security surveillance, water conservancy monitoring, public safety, advertisement publishing, industrial control, earthquake monitoring, meteorological monitoring, and instrumentation monitoring. **Industrial Grade Design:** Ÿ High-performance industrial-grade wireless module Ÿ High-performance industrial-grade 32-bit processor Ÿ Supports low-power modes, including sleep mode, scheduled online/offline mode, and scheduled power on/off mode Ÿ Uses cold-rolled steel shell for good heat dissipation. Ÿ Power supply: +5V~+32V DC **Network Features:** Ÿ Port traffic detection Ÿ Link real-time monitoring Ÿ Multiple VPN protocols (PPTP, L2TP, IPSec, VPN) Ÿ Supports simple serial DTU function Ÿ Supports on-demand dialing (voice, SMS, or data triggered) Ÿ Supports UPnP stable and reliable Ÿ Employs software and hardware watchdogs and multi-level link detection mechanisms, with fault automatic detection and recovery capabilities, ensuring stable and reliable device operation Ÿ Multiple device self-check mechanisms to ensure smooth links and alarms Ÿ ESD protection on each interface to prevent electrostatic impact **Remote Management:** Ÿ Remote parameter configuration Ÿ Remote parameter backup Ÿ Remote reboot and log query Ÿ Remote device upgrades Ÿ Device online monitoring **Functional Features:** Ÿ Backward compatible with WCDMA, EVDO, TD-SCDMA, EDGE, GPRS networks Ÿ Supports 1 x LAN, 1 x WAN Ÿ Provides standard RS-232/485 serial interface, supporting serial DTU (data transmission terminal) function Ÿ Supports hardware WDT for disconnection prevention, ensuring data terminal online Ÿ Supports multiple VPN protocols such as PPTP, L2TP, or GRE Ÿ Supports DHCP, DDNS, firewall, NAT, and DMZ host functions Ÿ Supports wired and wireless network mutual backup Ÿ Supports ICMP, TCP, UDP, Telnet, SSH, FTP, HTTP, HTTPS, and other network protocols Ÿ Supports standard industrial-grade plug-in SIM/UIM card design Ÿ Supports 802.11n 150M WiFi **Extended Functions:** Ÿ Supports WAN port for wired and wireless mutual backup (optional) Ÿ Supports dual LAN port function (optional) Ÿ Supports GPS positioning function (optional) Ÿ Supports internal large-capacity storage expansion (optional) **M2M Management Cloud Platform for Unified Centralized Management:** - Device fault alarm, improving online rate of devices in remote areas - Journey upgrades, automatic fault recovery, ensuring smooth transmission pipeline, enhancing large-scale management - Multiple encryption technologies to ensure communication link data security - Remote management and maintenance of devices, reducing operational costs, improving efficiency - Supports network management functions, controllable and manageable traffic, reducing operational costs - Automatically generates business statistical reports, providing strong support for operational decision-making **Product Parameters:** Wireless Module: Industrial Grade 4G/3G Wireless Router Standards and Bands: FDD-LTE: Band 1, 2, 3, 5, 7, 8, 20 (specifics depend on chosen model) TDD-LTE: Band 38, 39, 40, 41 WCDMA/HSDPA/HSUPA/HSPA+: Band 1, 2, 5, 8 Theoretical Bandwidth: MAX DL: 100Mbps; MAX UL: 50Mbps (Category 3, MIMO) Transmission Power: 23dBm+/-1dB @25℃ Data Mode <300mA/12V; Idle Mode <160mA/12V Receiving Sensitivity: -97dBm @10MHz QPSK **Interface Types:** LAN: 1 Ethernet interface (RJ45 socket), adaptive MDI/MDIX, built-in electromagnetic isolation protection WAN/LAN: 1 WAN/LAN port multiplexed, suitable for wired dialing or for mounting two terminal devices as LAN ports Console: Device control port, standard RJ45 head, supports hardware flow control RS232 communication mode (115200) Indicator Lights: Includes "Signal Strength", "Power", "WLAN", "Error" with three signal strength indicators (1: Poor network signal; 2: Average network signal; 3: Good network signal) Antenna Interface: 1 Main antenna interface (3G/4G), characteristic impedance 50 ohms; 1 Aux/GPS antenna interface, for 3G/4G auxiliary antenna or GPS active antenna; 1 WiFi 802.11n antenna interface SIM/UIM Interface: SIM/UIM card engineering cover, protects the card from falling out, supports dual SIM card function Terminal Block Interface: Power supply, industrial serial port, general IO Reset Button: This button can restore the Router's parameter configuration to factory settings **Power Supply:** Ÿ Standard power: DC 12V/1.5A **Appearance Characteristics:** Ÿ Shell: Metal shell Ÿ Dimensions: 102×100×42mm Ÿ Weight: 300g **Other Parameters:** Ÿ CPU: MIPS32 74K Core. 333MHz/560DMIPs Ÿ Flash/RAM: 64Mb / 512Mb Ÿ Operating Temperature: Normal -30 ~ +75℃ Ÿ Storage Temperature: -40 ~ +85℃ Ÿ Relative Humidity: <95% non-condensing **Product Model List:** | Model | WCDMA | EV-DO | TDD | FDD | Custom | |---------------|---------------|----------------|----------------|----------------|----------------| | ZR2000 | Standard Version | Standard Version | Standard Version | Standard Version | Custom Version | | LAN | ● | ● | ● | ● | ○ | | WIFI-802.11n | ● | ● | ● | ● | ○ | | WAN | ● | ● | ● | ● | ○ | | MIMO Antenna | ● | ● | ● | ● | ○ | | HSPA+ | ● | - | - | - | ○ | | EV-DO | - | ● | - | - | ○ | | TDD-LTE | - | - | ● | - | ○ | | FDD-LTE | - | - | - | ● | ○ | | GPS | ○ | ○ | ○ | ○ | ○ | | RS232 | ● | ● | ● | ● | ○ | | RS485 | ○ | ○ | ○ | ○ | ○ | | Storage | 8GB~64GB | ○ | ○ | ○ | ○ | **Reference Models:** - ZR2721-D1-D - ZR2721-D2-D - ZR2721-D3-D - ZR2721-D4-D - **Appendix: Interface Wiring Instructions** | RJ45 (Console) | | Terminal Block | |-----------------|---|-----------------| | 1 | | | | 2 | | | (Note: The table is truncated for clarity. Please refer to the original document for complete details.)