The Broadband Guide
search advanced

D-Link DIR-LX1870

details: AX1800 High-Performance Scalable Mesh Wi-Fi 6 Router
hardware type: Mesh Wireless
date added: 2021-01-17
The DIR-LX1870 is suitable for starting out in whole-home mesh networking or expanding your existing network. Powered by AX1800 Wi-Fi 6, it was built for the modern device-dense home. Simply add more DIR-LX1870 points throughout your home to create your own lag-free, super-fast, whole-home Wi-Fi 6 mesh network.

On its own, the DIR-LX1870 can cover up to 3,000 sq.ft. — enough seamless Wi-Fi to eliminate dead zones no matter the size and design of your home.

Smart Steering technology steers you away from buffering and lag by automatically directing your device to the optimum wireless band, depending on your current network traffic. No more frustrating drop outs, lag or interruptions in your wireless connections.

Smart roaming seamlessly connects your devices to the strongest signal as you move from room to room, eliminating the need for them to disconnect and reconnect.

If you've got a large home, thick walls, or simply transfer a lot of data, the DIR-LX1870 has got your back, your backhaul to be exact. With optional Ethernet backhaul connectivity, you can optimize the connection between units no matter what's between them and rest assured that whatever you're doing online will be fast, stable and smooth.

Easily integrates with Amazon Echo's Alexa or the Google Assistant for convenient hands-free voice control. Turn on and off your guest Wi-Fi, check login credentials, and reboot your Wi-Fi system. Finally, smart Wi-Fi you can control, hands-free.

WPA3 for the Latest in Wi-Fi Encryption. Encrypts your data and wireless connections with the latest standard in the industry, which includes new protocols for authenticating communications and strengthening your wireless network security.

Thanks to OFDMA Small data packets destined for multiple devices are transmitted together and never have to queue up again. Perfect for smart homes filled with IoT devices.
 DIR-LX1870 Features
 Availability: currently available
 List price: $129
 LAN / WAN Connectivity
 WAN ports: 1
 WAN port(s) type: Gigabit Ethernet (RJ-45)
 WAN port auto cross-over: yes
 LAN ports: 4
 LAN ports type: Gigabit Ethernet (RJ-45)
 LAN ports auto cross-over: yes
 DMZ: yes
 Port forwarding: yes
 Dynamic DNS client: yes
 QoS: yes
 Routing Protocols: VLAN tagging (802.1q)
 Maximum Wireless Speed: 1800 Mbps (Wi-Fi 6)
 WiFi standards supported: 802.11b (Wi-Fi 1)
802.11a (Wi-Fi 2)
802.11g (Wi-Fi 3)
802.11n (Wi-Fi 4)
802.11ac (Wi-Fi 5)
802.11ax (Wi-Fi 6)
 Wifi security/authentication: WPA (TKIP)
 WiFi modes: Access point
 WPS (Wi-Fi Protected Setup): yes
 MU-MIMO: yes
 Band steering: yes
 Dual Band (2.4GHz/5GHz): yes
 Simultaneous Dual Band (2.4GHz/5GHz): yes
 SPI firewall: yes
 DoS / DDoS protection: yes
 Filtering: IP Address filtering, MAC Address filtering
 Device Management
 Default IP address:
 Alternate Admin URL: http://dlinkrouter.local./
 Default admin password: password
 Administration: Web-based (LAN)
 Firmware upgradeable: yes
 Event log: yes
 Usage Statistics: yes
 Misc hardware info
 IPv6 support: yes
 Product page:
 Quick Install Guide:

Please use the Add Comment function below to review devices you have used (please be descriptive). If you find an error in our database, or have additional information about the product, please
  User Reviews/Comments:
by Andrew - 2021-01-29 07:16
It looks like regular WiFi6 but not 6E, with extended band and 6GHz support. They do not even provide bandwidth data in the specification on the manufacturer's website. Hiding parameters looks bad. Same with VERY expensive USB wifi 6 dongle (100$). Laptop Intel AX210 (WiFi 5E) costs about 20$, so D-Link products are just expensive - without reason.
by FurryNutz - 2021-04-20 11:06
Data rates are listed in the data sheet. Kinda hard to miss that.
This model never intended to support 6E so why bring it up? Meant an a entry level wifi router with AX support only.
6E is still only in draft and not certified nor is there hardly any devices supporting it.
Give 6E another year or or two. AX and AE are still problematic.
Also not all devices can take advantage of AX performances. Look at the antenna design. Anything 2x2 will limit performance AC or AX.
The DIR is a router and meant to be a router and wifi AP. Not a Dongle.
by FurryNutz - 2021-05-10 17:01
Just installed this +1 additional DIR as a wired MESH extension for my house. 5000sq ft home. Main DIR is on 2nd level. 2nd DIR is in basement opposite ends of the house. Ethernet connected. System is working well for a two unit system. Speeds are good and coverage is good as well. Though not as powerful as some other MESH systems. It's doing what it's supposed to do. I wish D-Link would give indication on when the 2nd or remote unit is either wired or wireless connected to the main DIR router. Hard to tell how it's really connected in the main routers web page. This could be done better. The 2nd DIR does show devices that are connected to it though. That's great. One other item to note is that the case style for the DIR is very light. So when you connect any kind of heavy LAN cables to the back of the unit, it will tip over. So you'll need to figure out how to keep the LAN cables from dragging the router off the table or making it fall over. It could have used some weight at the bottom.
News Glossary of Terms FAQs Polls Cool Links SpeedGuide Teams SG Premium Services SG Gear Store
Registry Tweaks Broadband Tools Downloads/Patches Broadband Hardware SG Ports Database Security Default Passwords User Stories
Broadband Routers Wireless Firewalls / VPNs Software Hardware User Reviews
Broadband Security Editorials General User Articles Quick Reference
Broadband Forums General Discussions
Advertising Awards Link to us Server Statistics Helping SG About