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Item#: 9SIA2F83373164

D-Link DAP-1665 Wireless AC1200 Dual Band Gigabit Access Point

  • Up to 300 Mbps in 2.4GHz + 867 Mbps in 5GHz
  • AP/Bridge/Bridge with AP/Wireless Client/Repeater Modes
  • Kensington Security Slot
  • 10/100/1000 Port

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Product Highlights

Speed and Range of Wireless AC

The latest 802.11ac technology delivers speeds of up to 1200Mbps, with increased power and range to reach more places in a business environment

Multiple Operational Modes

Can operate as an access point, bridge, bridge with access point, repeater, or wireless client – giving the flexibility to meet a variety of networking requirements

Robust Wireless Security

Complete set of security encryption standards including WEP, WPA/WPA2, and WPS to safeguard a network against outside intruders


Wireless AC1200 Dual Band Access Point

The DAP-1665 Wireless AC1200 Dual Band Access Point is a fast and versatile solution for bringing wireless AC to an existing wired network, or extending the capabilities of an existing wireless network. The latest 802.11ac technology delivers combined speeds of up to 1200Mbps, creating a high-speed wireless link between networks for optimized performance and reliable coverage delivering high-quality HD video streaming, gaming and file transfers.

High-Speed Wireless and Wired LAN

The DAP-1665 features the latest 802.11ac wireless technology, capable of delivering combined speeds of up to 1200Mbps over two bands. Use the 2.4GHz band's 300Mbps for web surfing, email and chat, while simultaneously using the lower-interference 5GHz band's 867Mbps for network bridging, downloading, video streaming, and file transfers. For wired connections, the Gigabit LAN port enables wired data speeds of up to 1000Mbps – meaning that Gigabit-compatible wired devices can also benefit from the high speeds of wireless AC.

Versatile Operation Modes

The DAP-1665 can be configured to operate in several modes. Access Point mode allows the device to act as a central hub for wireless users, giving them access to an existing wired network. Bridge-mode creates a high-speed wireless link between two wired networks (LANs), alleviating the need to install additional network cabling. Repeater mode extends wireless coverage of an existing wireless network to cover "dead" spots and reach farther into a business environment. Bridge mode with AP adds the functionality of a wireless access point to a bridged network, so wireless clients can access resources on both networks. Wireless Client mode is available to enable the DAP-1665 to connect to another access point and provide network and Internet access to a remote wired device such as a gaming console or media center.


Wireless and Wired LAN

  • Latest 802.11ac wireless technology
  • Backwards-compatible with 802.11n/g/a clients
  • Gigabit LAN port for wired connections up to 1000Mbps
  • Two external antennas increase range

Operating Modes

  • Access Point mode to add wireless to an existing network
  • Bridge mode creates a direct wireless link between two existing LANs
  • Repeater mode extends the range of an existing wireless network to reach further throughout a business environment
  • Bridge mode with AP adds the functionality of a wireless access point to a bridged network
  • Client mode delivers wireless connectivity to a LAN device such as a storage device, media server, or gaming console


  • WPA/WPA2 security encryption to protect wireless traffic
  • Quickly and easily add new wireless devices with Wi-Fi Protected Setup (WPS)
  • Kensington lock port to protect against theft

Full Wireless Security

The DAP-1665 provides WPA/WPA2 security to protect the network and wireless data. This device also supports Wi-Fi Protected Setup (WPS) to quickly and securely set up a secure wireless network. In addition, the access point features MAC address filtering and a disable SSID broadcast function to limit outsiders' access to the wireless network. The DAP-1665 also features a Kensington security slot so you can protect it against theft.

Technical Specifications

Networking Standards
  • IEEE 802.11ac
  • IEEE 802.11n
  • IEEE 802.11g
  • IEEE 802.11b
  • IEEE 802.11a
  • 802.3/802.3u
  • Draft IEEE 802.11ac wireless LAN
  • IEEE 802.11n/g/b/a wireless LAN
  • 10/100/1000BASE-TX wired LAN
Operating Modes
  • Access Point (AP)
  • Bridge
  • Bridge with AP
  • Wireless Client
  • Repeater
Operating Frequency
    5GHz Band:
  • 5.15GHz to 5.35GHz
  • 5.47GHz to 5.85GHz
  • 2.4GHz Band:
  • 2.4 - 2.4835GHz
  • Two 2dBi external antennas
  • Power
  • 2.4GHz wireless
  • 5GHz wireless
  • LAN
Advanced Features
  • 64/128-bit WEP
  • Wi-Fi Protected Setup (WPS)
  • MAC address filtering
  • Kensington® security slot
  • SSID broadcast disable
Device Management Web-based interface minimum requirements:
  • Internet Explorer 7, Firefox 12.0, Chrome 20.0, or Safari 4.0
Physical Specifications
Dimensions 5.79 x 4.25 x 1.1 inches (147 x 108 x 27.8mm)
Weight 0.489lbs (222g)
  • Input: 12V / 1A
  • Maximum Consumption: 5.18W
  • Operating: 32 - 104°F (0 - 40°C)
  • Storage: -4 - 149°F (-20 - 65°C)
  • Operating: 10% to 90% non-condensing
  • Storage: 5% to 95% non-condensing
  • CE
  • FCC
  • IC
  • Wi-Fi Certified
Ordering Information
Part Number Description Warranty
DAP-1665 Wireless AC1200 Dual Band Access Point 1-year

Learn more about the D-Link DAP-1665

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): Lifetime
  • Limited Warranty period (labor): Lifetime
  • Read full details

Customer Reviews of the D-Link DAP-1665

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  • 11/20/2015 5:25:32 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsExcellent!

Pros: Easy to setup, Strong dual band 802.11ac signal, works well with my older D-Link DI-604 wired router

Cons: None

Other Thoughts: Bought to have Wi-Fi available for my Samsung Galaxy S5 smartphone as needed from my wired network. Works like a charm! Strong fast signal all around the house when needed. I turn off when not needed. Links right up when plugged back in.

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  • Michael U.
  • 11/4/2015 10:04:40 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsExcellent

Pros: AC speeds at 5ghz is great. Your speeds may vary due to conditions, but I'm happy with the speeds achieved. I wanted just an AP, I got just and AP.

Cons: None so far.

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  • Edward S.
  • 9/12/2015 5:26:54 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsNeeds work

Pros: Only DAP I am aware of that has simultaneous dual band radio support. Nice clean mechanical design in soft white color with green LEDs that do not blink. Healthy looking antennae. GigE LAN port. Has the "legacy" orange firmware UI with more user control over features.

Cons: Poor signal strength, you can be sitting line of sight within 10ft or less and the unit is still have under 60% signal on both bands checked with common WiFi testing tools as well as Mac, Android, PCs. Also have observed the unit goes into a reboot cycle with more than 12 clients actively connected! While it has the "legacy" orange UI, D-Link have removed settings that were available in earlier DAP models thus degrading what you can control with this newer WAP. Tested with latest firmware 1.13 at time of this review.

Other Thoughts: I really wanted this to work and replace a pair of DAP-1522s handling 2.4Ghz and 5Ghz with a single WAP that did both. While it *could* replace them, it needs firmware work to be an improvement. The DAP-1665 range is less than the DAP-1522, and the DAP-1522 never rebooted on me even with 20 clients connected. The DAP-1665 reboots on me every single time it has more than 12 clients actively engaged. Both the poor signal strength/range and the instability are firmware issues that could be addressed.

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  • Douglas H.
  • 7/17/2015 4:12:13 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsMy needs are simple

Pros: Reliable. Never have issues with it. It sits in my bedroom and provides a link for my laptop, which has an intel 7260 wireless AC adapter I installed.

Cons: 5 Ghz has very limited range. My laptop rarely connects at the max speed, even though it's only 5 feet away. The performance on a large file copy is almost 2x my previous wireless-N, which itself was almost twice as fast as the lesser wireless-n I had before that..

Other Thoughts: I don't use most of the features. I use it as an AP, it grabs an IP from the DHCP, and works.

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  • Nicholas B.
  • 6/28/2015 6:27:18 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsDecent but many little problems and annoyances

Pros: Price. Dual band. Linux-based firmware. Stable. 802.11 A, B, G, N, AC

Works well. Haven't had any stability issues with it. Throughput is what I would expect. Seems to handle many devices simultaneously well.

Cons: Can only whitelist 20 MAC addresses. No SSL(!). Minor firmware annoyances/bugs/

I'm really surprised that you can only whitelist 20 MAC addresses. Even for a cheap AP that seems very low. D-Link said they were going to release an update that would allow 60 MAC addresses yet a year later and still no such update.

No SSL secured web interface!? Seriously?! This worries me as a security person.

Bad English in the interface. If you enter the wrong password you get a message that says "ERROR: The password is error." Some of the descriptions at the top of the page are awful like "You can enter the device name of the AP into your web browser to access the instead of IP address for configuration." Say what?

This thing cannot keep time to save its life. Even when configured with an NTP server it still gets messed up. And I'm not talking a few minutes, I'm talking a few months. It always seems to jump backwards one or two months! I've tried setting the time manually and it still messes up.

The Check Now button on the firmware page to check for firmware updates doesn't work. It always says it has the latest firmware even if it doesn't. You have to manually check on D-Link's site.

You have to reboot for EVERY change you make. This is ridiculous. It's Linux. Most changes should only require the necessary service to be restarted. It looks like lazy programming to me. Instead of writing the code to restart the necessary services I think someone just wrote a reboot function and called that every time a setting is saved. Come on seriously?

Other Thoughts: I may be nitpicking on some of these things but these really bring the quality of the product down.

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  • JOHN G.
  • 11/15/2014 1:16:56 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsReally NOT very good

Pros: Easy Setup

Cons: Very poor range and low bandwidth. When first installed I got 45Mb anywhere in the house. Now it only covers half the house and won't go above 1.5Mb. I've always had good luck with D-Link in the past but this unit is a turkey.

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  • Ian P.
  • 10/31/2014 11:58:11 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks fairly well for the price

Pros: Cheaper than most APs that I have seen and works fairly well
Great for adding wireless AC to your home network without having to buy a new router, plus easy to setup and use.

Cons: Wireless AC speeds are slower than they should be but I manage to get about 300mbps out of it. Range is also not that great, get about 60 ft range out of it before your signal quality drops by half.

Other Thoughts: Even though the speeds are not top notch on this unit if you live in an apartment building with alot of people using wifi its a great way of running your stuff on a completely seperate frequency range and to not have as much interference.

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  • Jared B.
  • 10/30/2014 2:57:19 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsSmall Area Extender

Pros: Repeater or Bridge, works well for both.

Cons: Range is not as far as marked on the box in real world conditions.

Other Thoughts: Bought 2 of these to use in bridge mode across a 150 ft gap. Unfortunately they couldn't do it. If you have interference like competing wifi signals or large structures, the range is severely limited. They do a great job under that limitation.

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  • Boyan B.
  • 10/20/2014 8:39:03 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsDecent AP; range sucks

Pros: The AP was very easy to setup. The .local does work so you don't have to figure out what IP it obtained. Very simple GUI; liked that. Not the least -- the AP does look cute; white plastic with rabbit ears antennas. Not the least is the fact that this is a dual band 2.4GHz and 5GHz AP. Now onto the speed -- compared to my older Linksys 2.4GHz only AP I get about 50% more bandwidth with this one. Excellent!

Cons: Range is really bad; both bands that is. I am comparing it with older Linksys 2.4GHz only AP and on that band I got much better coverage in terms of distance. Obviously we are talking the same physical setting -- same house and location of the AP.

Other Thoughts: This AP gets what you would expect in terms of speed. My older Linksys 2.4GHz only AP was terrible so I am a happy customer all said and done. Range does lack but at this point I like the speed better than roaming around the house with my devices. It is a thing about priority over one feature or the other.

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  • JERRY L.
  • 10/1/2014 1:14:19 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsGreat until it's not!

Pros: Very easy setup, extreme speed, reasonable cost. That's three of the four things I want in a wireless device.

The 5Ghz band doesn't have as much range as 2.4 but it's pretty good.

Cons: Unfortunately, the fourth thing I want is reliability and it's not there. I bought two of these and tested one at home and the other at the office. Both of them work great for a few days, then start randomly dropping connections. Logs look like it rebooted though the front panel lights never did anything. It will continue like this, dropping connection and clearing logs every few minutes until you physically remove power from it. Plug it back in and you're good for another day or two - and repeat.

Other Thoughts: I installed the newest firmware and did factory reset before trying anything else.

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Item#: 9SIA2F83373164
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