SR820 – 5G Connectivity Platform (5G CPE Router)
Product Features
· Supports 5G NR/RedCap networks
· Supports eSIM
· Supports WIFI6 (Optional)
· Supports GPS/BeiDou (Optional)
· Supports dual SIM cards with mutual backup functionality
· Supports Linux system for secondary development, with comprehensive development guidelines provided
Topology Diagram
Technical Parameters
| Hardware Performance | |
| Memory | 512MB |
| FLASH | 4GB EMMC |
| WIFI | Supports 2.4G/5.8G dual-band, theoretical maximum speed of 866.7Mbps. Optional WIFI 6, theoretical maximum speed of 1774Mbps |
| Network support |
5G： N1/N3/N5/N7/N8/N20/N28/N38/N40/N41/N71/N75/N76/N77/N78/N79 4G： FDD-LTE：B1/B3/B5/B7/B8/B20/B28/B32/B71 TDD-LTE：B38/B40/B41/B42/B43/ 3G： WCDMA：B1/B2/B4/B5/B8 Note: Frequency bands not listed can be supported by replacing the module |
| System Time | Time synchronization using NTP technology, with built-in RTC |
| Interfaces | |
| Ethernet Interface | 4 LAN Ports (1000/100 Mbps) – Any of the LAN ports can be configured to operate in WAN mode |
| SIM Card Interface | 2 slots (drawer-type card slot, supporting 1.8V/3V SIM/UIM cards) |
|
Reset |
1 (Reset button) |
|
Antenna Interface |
4 Ports 4G/5G antenna, impedance: 50 Ω, SMA female head interface 2 Ports 2.4G/5.8G antenna, impedance: 50 Ω, SMA interface |
|
Power Interface |
1 x 2-pin connector with 3.81mm pitch |
|
Serial Port |
1 x RS232 / 1 x RS485, dual-row 3-pin terminal block with 3.5mm pitch |
|
Indicators |
4 个 ，1 PWR Light， 1 SYS Light，1 WIFI Light，1 NET Light |
|
Power Characteristics |
|
|
Power |
External power adapter (12V 2A) |
|
Operating Voltage |
Wide power input DC 9~36V |
|
Standby Power Consumption |
300~500mA@12V DC |
|
Operating Power Consumption |
500~700mA@12V DC |
|
Operating Conditions |
|
|
Operating Temperature |
-35~+75℃ (-31~+167℉) |
|
Storage Temperature |
-40~+85℃ (-40~+185℉) |
|
Operating Humidity |
5%~95% (non-condensing) |
|
Device Ventilation |
Natural heat dissipation, no noise |
|
Physical Characteristics |
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|
Casing Material |
Metal housing |
|
Dimensions |
Length*Width*Height 135*98*55.5mm（excluding antenna and installation accessories） |
|
Installation Method |
Desktop placement, DIN rail installation, wall mounting |
|
Weight |
Net weight: 0.65KG (excluding antenna and installation accessories) |
|
Device Safety and Reliability |
|
|
Security and Reliability |
Reverse polarity protection, overvoltage protection, overcurrent protection; Ethernet interface built-in 1.5KV electromagnetic isolation protection; RS232/RS485 interface built-in 15KV ESD protection; SIM/UIM card interface built-in 15KV ESD protection |
|
Protection Level |
IP30 |
|
Certification
|
Compliant with CCC, Rohs |
|
MTBF |
≥100,000 hours |
|
Software Features |
|
|
Cellular Network |
Supports 5G or RedCap networks, with options to lock frequency bands and lock network modes |
|
5G LAN(optional) |
Supports 5G LAN |
|
Bridge Mode |
Supports bridge mode, allowing the IP address obtained from the cellular network dial-up connection to be directly assigned to the downstream device |
|
WAN Protocol |
Supports static IP, DHCP, PPPoE, PPP |
|
IP Applications |
Supports Ping、Trace、DHCP Server、DHCP Relay、DHCP Client DNS relay、DDNS、Telnet |
|
WIFI |
Supports AP mode and STA (Client) mode |
|
VLAN |
Supports VLAN, including both Tagged and Untagged modes for VLAN ID assignment |
|
Multi-link Management |
Supports link detection and link backup, with optional flexible backup combinations of 5G, WAN, and Wi-Fi |
|
Static Routing |
Supports adding static routes |
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Dynamic Routing |
Supports dynamic routing protocols OSPF and RIP |
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Policy Routing |
Supports policy-based routing for traffic segmentation and load distribution |
|
Firewall&Network Security |
|
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Firewall |
Full-state packet inspection (SPI), DoS attack prevention, multicast Ping packet filtering, port mapping, and IP-MAC binding |
|
VPN |
IPsec/OPENVPN/L2TP/PPTP/VXLAN/GRE /GRETAP |
|
NAT |
Supports DMZ and Port Forwarding |
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Address Filtering |
Supports IP, domain name, and MAC filtering; Allows configuration of blacklists and whitelists |
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Applications |
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DTU |
Supports TCP, UDP, MQTT, HTTP, HJ212-2017, NTRIP, MODBUS TCP, MODBUS RTU, and MODBUS TCP-to-MODBUS RTU protocols |
|
Data Acquisition |
Southbound: Supports Modbus RTU/TCP and Siemens S7 protocols Northbound: Supports TCP, MQTT, HTTP, JSON, HJ212-2017; Supports up to 5 configurable servers with different protocols |
|
Status Reporting&Retrieval |
Supports querying and scheduled reporting of device status via TCP, MQTT, or HTTP, including dial-up status, operational status, and link usage |
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Traffic Statistics |
Supports total device traffic and per-IP traffic statistics; Supports bandwidth control for excessive traffic |
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Scheduled Tasks |
Supports scheduled reboot and customizable scheduled tasks |
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Cloud Device Management Platform |
Supports remote configuration, remote upgrade, and remote monitoring |
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Location Services |
Supports cell tower-based positioning; Optionally supports GPS/BeiDou; Can report either Base Station or GPS information |
|
SNMP |
Supports SNMP v1/v2/v3 |
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WLAN(Optional) |
|
|
Protocol Standard |
IEEE 802.11b/g/n/ac/ax (Optional) |
|
Rate |
IEEE 802.11ax (Wi-Fi 6) – Maximum speed: 1774 Mbps |
|
Security Features |
Open system, shared key, WPA/WPA2 authentication; WEP/TKIP/AES encryption |
|
Working Modes |
AP and Client（WiFi STA） |
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System Settings |
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Configuration Mode |
Supports Telnet, WEB, SSH, and Console configurations |
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Upgrade Mode |
Supports WEB upgrade and FOTA upgrade |
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Logging Functionality |
Supports local system logs, remote logs, and serial port output logs |
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System Time Settings |
Built-in RTC clock; Supports NTP network time synchronization, manual time setting, and GPS time synchronization |
|
Maintenance tools |
Ping, Route tracing |
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Status Query |
System status, modem status, network connection status, route status |
Product Interface
Product Dimensions
