Product Content
Category
Construction Materials-Other Building Materials
**Product Information:**
The Zhilian IoT ZR2521-D industrial-grade 4G Router is an IoT wireless communication router that adopts internationally recognized standards of FDD-LTE and TDD-LTE 4G broadband network formats, providing users with convenient and rapid high-speed network transmission capabilities.
This series of products uses a high-performance 32-bit professional network communication processor, supported by an embedded real-time operating system, to provide users with a secure, high-speed, and stable wireless 4G router network, supporting two Ethernet RJ45 interfaces and communication serial ports.
This series of products is widely applicable in industries such as finance, postal services, smart grids, intelligent transportation, environmental monitoring, fire monitoring, security monitoring, water conservancy monitoring, public safety, advertising distribution, industrial control, earthquake monitoring, meteorological monitoring, and instrument monitoring.
**Industrial-grade Design:**
- High-performance industrial-grade wireless module.
- High-performance industrial-grade 32-bit processor.
- Supports low-power modes, including sleep mode, scheduled online/offline mode, and scheduled power on/off mode.
- Made of cold-rolled steel casing, which has good heat dissipation properties.
- Power supply: +5V~+32V DC.
**Network Features:**
- Port traffic detection.
- Real-time link monitoring.
- Multiple VPN protocols (PPTP, L2TP, IPSec, VPN).
- Supports simple serial DTU functions.
- Supports on-demand dialing (voice, SMS, or data-triggered).
- Supports UPnP, stable and reliable.
- Adopts software and hardware watchdog and multi-level link detection mechanisms, with automatic fault detection and recovery capabilities, ensuring stable and reliable device operation.
- Multiple device self-checking mechanisms to ensure smooth links and alarms.
- ESD protection on each interface to prevent static electricity shocks.
**Remote Management:**
- Remote parameter configuration.
- Remote parameter backup.
- Remote restart and log inquiry.
- Remote device upgrade.
- Online monitoring of devices.
**Functional Features:**
- Backward compatible with WCDMA, EVDO, TD-SCDMA, EDGE, GPRS networks.
- Supports 1x LAN, 1x WAN.
- Provides standard RS-232/485 serial ports, supporting serial DTU (data transmission terminal) functions.
- Supports hardware WDT, providing a disconnection prevention mechanism to ensure data terminals are online.
- Supports various VPN protocols such as PPTP, L2TP, or GRE.
- Supports DHCP, DDNS, firewall, NAT, and DMZ host functions.
- Supports wired and wireless network backup.
- Supports ICMP, TCP, UDP, Telnet, SSH, FTP, HTTP, HTTPS, and other network protocols.
- Supports standard industrial-grade pluggable SIM/UIM card design.
- Supports 802.11n 150M WiFi.
**Extended Features:**
- Supports WAN port for wired-wireless backup (optional).
- Supports dual LAN port functionality (optional).
- Supports extended GPS positioning functionality (optional).
- Supports internal large-capacity storage expansion (optional).
**M2M Management Cloud Platform for Unified Central Management:**
- Device fault alarms, improving online rate for devices in remote areas.
- Journey upgrades, fault self-recovery, ensuring smooth transmission pipelines and enhancing large-scale management.
- Multiple encryption technologies to ensure the security of communication link data.
- Remote management and maintenance of devices, reducing operational costs and improving efficiency.
- Supports network management functions, controllable traffic, manageable, reducing operational costs.
- Automatically generates business statistical reports to provide strong support for operational decision-making.
**Product Parameters:**
- Wireless Module: Industrial-grade 4G/3G wireless router.
- Standards and Frequency Bands: FDD-LTE: Band 1, 2, 3, 5, 7, 8, 20 (specific to model selection).
- 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).
- Transmit power: 23dBm +/- 1dB at 25°C.
- Data mode <300mA/12V; Idle mode <160mA/12V.
- Receive 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 mounting two terminal devices as a LAN port.
- Console: Device control port, standard RJ45 head, supports hardware flow control RS232 communication mode (115200).
- Indicator Lights: Six indicators for "Signal Strength", "Power", "WLAN", "Error", with signal strength indicator showing three lights (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, as a 3G/4G auxiliary antenna or GPS active antenna; 1 WiFi 802.11n antenna interface.
- SIM/UIM Interface: SIM/UIM card engineering cover, preventing the card from falling out, supports dual SIM card functionality.
- Terminal Block Interface: Power supply, industrial serial port, general IO.
- Reset Key: This key can restore Router's parameter configuration to factory settings.
**Power Supply:**
- Standard power supply: DC 12V/1.5A.
**Physical Characteristics:**
- Casing: Sheet metal casing.
- Dimensions: 102×100×42mm.
- Weight: 300g.
**Other Parameters:**
- CPU: MIPS32 74K Core. 333MHz/560DMIPs.
- Flash/RAM: 64Mb / 512Mb.
- Operating Temperature: Normal -30 ~ +75°C.
- Storage Temperature: -40 ~ +85°C.
- Relative Humidity: <95% non-condensing.
**Product Model List:**
| Model | WCDMA Version | EV-DO Version | TDD Version | FDD Version | Customer Version |
|-----------|----------------|----------------|--------------|-------------|------------------|
| ZR2000 | Standard | Standard | Standard | Standard | Custom |
| LAN | ● | ● | ● | ● | ○ |
| WIFI-802.11n| ● | ● | ● | ● | ○ |
| WAN | ● | ● | ● | ● | ○ |
| MIMO Antenna| ● | ● | ● | ● | ○ |
| HSPA+ | ● | - | - | - | ○ |
| EV-DO | - | ● | - | - | ○ |
| TDD-LTE | - | - | ● | - | ○ |
| FDD-LTE | - | - | - | ● | ○ |
| GPS | ○ | ○ | ○ | ○ | ○ |
| RS232 | ● | ● | ● | ● | ○ |
| RS485 | ○ | ○ | ○ | ○ | ○ |
| Storage (8GB~64GB) | ○ | ○ | ○ | ○ | ○ |
**Reference Models:**
- ZR2000621-D
- ZR2000921-D
- ZR2000521-D
- ZR2000721-D
**Appendix: Wiring Instructions for Interfaces**
| RJ45 (Console) | Terminal Block |
|----------------|----------------|
| 1 | |
| 2 | |
(Note: The table continues with more wiring details as required.)