Product Content
Category
Construction Materials-Other Building Materials
**Product Details:**
**Zhilian IoT ZR2821-D Industrial Grade Mobile 3G Router** is an IoT wireless communication router that uses the internationally recognized standard of 3G mobile broadband network, providing users with convenient and fast high-speed network transmission capabilities.
This product series adopts a high-performance 32-bit professional network communication processor, supported by an embedded real-time operating system, offering users a secure, high-speed, stable, and reliable 3G wireless routing network, and supports 2 Ethernet RJ45 interfaces and communication serial ports.
This series of products can be 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 release, industrial control, earthquake monitoring, meteorological monitoring, and instrument monitoring.
**Industrial Grade Design**
- Uses high-performance industrial-grade wireless modules
- Uses high-performance industrial-grade 32-bit processors
- Supports low power consumption modes, including sleep mode, scheduled online/offline mode, and scheduled power on/off mode
- Adopts cold-rolled steel shell with good heat dissipation
- 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 functionality
- Supports on-demand dialing (voice, SMS, or data triggered)
- Supports UPnP for stable and reliable connections
- Utilizes software and hardware watchdogs and multi-level link detection mechanisms, capable of automatic fault detection and recovery, ensuring stable and reliable device operation
- Multiple device self-check mechanisms to ensure link continuity and alarms
- ESD protection for all interfaces to prevent electrostatic shock
**Remote Management**
- Remote parameter configuration
- Remote parameter backup
- Remote restart and log query
- Remote device upgrades
- Online device monitoring
**Functional Features**
- Backward compatible with WCDMA, EVDO, TD-SCDMA, EDGE, GPRS networks
- Supports 1 X LAN, 1 x WAN
- Provides standard RS-232/485 serial ports, supports serial DTU (Data Transfer Unit) functionality
- Supports hardware WDT, providing a drop-off prevention mechanism to ensure data terminals are online
- Supports multiple VPN protocols such as PPTP, L2TP, or GRE
- Supports DHCP, DDNS, firewall, NAT, and DMZ host functions
- Supports wired and wireless networks as backups for each other
- Supports network protocols such as ICMP, TCP, UDP, Telnet, SSH, FTP, HTTP, HTTPS
- Supports standard industrial-grade plug-in SIM/UIM card design
- Supports 802.11n 150M WiFi
**Extended Features**
- Supports WAN port for wired and wireless mutual backup [optional]
- Supports dual LAN port functionality [optional]
- Supports extended GPS positioning functionality [optional]
- Supports internal large-capacity storage extension [optional]
**M2M Management Cloud Platform for Unified Centralized Management**
- Device fault alarms to enhance device online rates in remote areas
- Operation upgrades, automatic fault recovery, ensuring smooth transmission pipelines, improving large-scale management
- Multiple encryption technologies to ensure communication link data security
- Remote management and maintenance of devices to reduce operational costs and improve efficiency
- Supports network management functions, controllable and manageable traffic, 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 selected 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:
- Power Consumption: 23dBm +/- 1dB @ 25℃
- 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 as a LAN port to mount two terminal devices
- 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 having 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 for 3G/4G auxiliary antenna or GPS active antenna; 1 WiFi 802.11n antenna interface
- SIM/UIM Interface: SIM/UIM card engineering cover to protect the card from falling, supports dual SIM card functionality
- Terminal Block Interface: Power supply, industrial serial port, general I/O
- Reset Button: Pressing this button will restore the Router's parameter configuration to factory settings
**Power Supply**
- Standard Power: DC 12V/1.5A
**Physical Characteristics**
- Enclosure: Sheet metal shell
- Dimensions: 102×100×42mm
- Weight: 300g
**Other Parameters**
- CPU: MIPS32 74K Core. 333MHz/560DMIPs
- Flash/RAM: 64Mb / 512Mb
- Operating Temperature: Normal -30 ~ +75℃
- Storage Temperature: -40 ~ +85℃
- 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: | R21-WA2T | R21-E12T | R21-TA2T | R21-FA2T | R21-FA2T |
**Appendix: Interface Wiring Instructions**
| RJ45 (Console) | | Terminal Block |
|----------------|---|----------------|
| 1 | CTS | Input |
| ... | ... | ... |
(Note: This is a partial example of the table. Please continue based on the provided format as needed.)