ERC305 - is a cloud-managed router with 5 Gigabit ports , designed to offer high-performance wired and wireless connections. It supports remote management via the DoLynk Care platform , allowing intelligent control and configuration of access points. Thanks to the Smart Wireless Networking function, it guarantees extended Wi-Fi coverage and fast roaming, while advanced network traffic control optimizes bandwidth and connection stability. With dynamic QoS , integrated firewall security and management of over 100 access points , it is the ideal solution for modern business environments and next-generation professional networks. Dahua
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ERC305 | ALL IN GIGABIT ROUTERS

The Dahua ERC305 is a cloud-managed Gigabit router designed for high performance and intelligent network management. Thanks to the DoLynk Care platform, it enables remote control and automatic network topology optimization. It offers stable and secure connections, supports up to 128 access points, and integrates advanced QoS, firewall, and multi-WAN load balancing features, ideal for businesses and professional installations.
Main specifications:
- 5 Gigabit Ethernet ports with flexible LAN/WAN management
- Support up to 128 manageable APs
- Cloud management and remote control via DoLynk Care
- Fast roaming and intelligent wireless network
- Built-in firewall and VPN for advanced security
- Dynamic QoS to optimize traffic and bandwidth
Further details

Technical data sheet
Model | ERC305 |
Hardware | |
Modular Switch/Fixed Switch |
Fixed |
PoE Power Supply |
No |
Ethernet Port |
5 |
Ethernet Port Speed |
10/100/1000 Mbps |
LAN Port |
4 × 10/100/1000 Mbps (3 LAN port can be switched to WAN port) |
WAN Port |
1 × 10/100/1000 Mbps |
Reset Button |
Yes |
Power Supply |
100–240 VAC, 50 Hz |
Dual Power Supplies |
No |
Power Consumption | |
Function |
|
802.11 LAN Protocols | 802.11k;802.11v |
CAPWAP | Yes |
Roaming | Yes |
Forwarding | Local forwarding |
User Isolation | Yes |
User Management | Yes |
STA RSSI Threshold | -90 dBm |
RF Management | 100%; 50%; 25% |
WAN Port Function | PPPoE; DHCP; Static IP |
Multi-WAN Load Balancing | Yes |
Link Detection | Yes |
IP Routing | Yes |
VPN | Yes |
Multicast | Yes |
DHCP Function | Yes |
Security | Firewall |
ARP | Yes |
QoS/ACL | Yes |
Equipment Management | Yes |
Performance |
|
Default Number of Manageable APs | 128 |
Maximum Number of Manageable APs | 128 |
Maximum Number of Configurable APs | 128 |
Users Capacity | 128 |
Maximum Number of Clients Supported by the Built-in Portal | 128 |
Maximum Number of Wireless Users | 128 |
Inter-AC Roaming Switch Time | <20 ms="" td=""> |
Firewall | 200 Mbps |
Encryption | 200 Mbps |
Forwarding Capability | 1000 Mbps |
CPU Frequency | 880 MHz |
Processor | 2 |
MTBF | >250,000 hours |
Memory | 512 MB |
Flash | 16 MB |
MAC Address List | 8196 |
Entries of MAC Address Filtering Table | 128 |
IPv4 Forwarding | 1000 Mbps |
Static Routes | 100 |
Max. Number of Static DNS Records | 1000 |
Max. Number of DDNS Records | 1 |
Static ARP | 128 |
Dynamic ARP | 8196 |
ACL | 100 |
Max. Number of Tunnels | 100 |
Max. Number of Sessions | 200000 |
Max. Number of Concurrent Connections | 200000 |
Max. Number of Virtual Servers | 100 |
NAT Number | 100 |
General | |
Operating Temperature | –20 °C to +55 °C (–4 °F to +131 °F) |
Operating Humidity | 5%–95% (RH), non-condensing |
Storage Temperature | –40 °C to +70 °C (–40 °F to 158 °F) |
Storage Humidity | 5%–95% (RH), non-condensing |
Statics Protection | Air discharge: 8 kV; Contact discharge: 6 kV |
Lighting Protection | Common mode: 2 kV Differential mode: 1 kV |
Net Weight | 1.42 kg (3.13 lb) |
Gross Weight | 1.86 kg (4.10 lb) |
Product Dimensions | 294 mm × 180 mm × 44 mm (11.57" × 7.09" × 1.73") (L × W × H) |
Packaging Dimensions | 348 mm × 267 mm × 91 mm (13.70" × 10.51" × 3.58") (L × W × H) |
Installation | Desktop mount |
Certifications | THERE IS |
Certifications |
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Certifications | THERE IS |