Wireless AC1200 Gigabit VDSL/ADSL Modem Router


  • Product Status (Revision A1): Live
  • Wi-Fi AC 1200
  • Dual-band
  • Dual firewalls
  • ADSL2+/VDSL2 Modem
Built-in ADSL+/VDSL2 modem
VDSL2+/ADSL2 Modem

Built-in ADSL+ Modem and hybrid WAN/LAN port.

Wireless AC Wave 2
Wireless AC Wave 2

Fast Wi-Fi using 802.11ac Wave 2 technology with speeds of up to 1.2 Gbps.

Ethernet LAN ports
x4 Gigabit Ethernet LAN Ports

Connect to fast wired Gigabit Ethernet in an instant, with speeds up to 10x faster than standard Ethernet.

USB 2.0 port
x1 USB port

Quickly add external storage and other USB devices.

Dual-band Wi-Fi
Dual band and MUMIMO

Provides fast Wi-Fi to multiple devices at once, with less congestion.

WPS button
Wi-Fi Protected Setup

Add a device to your network with a single tap of the WPS button.

Dual-active firewalls
Dual-active firewalls

Increased protection for your entire network.

2 Year Warranty from world leader
2-Year D-Link Warranty

Protected by one of the global leaders in the industry.


Everything you need to connect to the internet.

Enjoy Wi-Fi without the hassle with this all-in-one modem router. Designed for everyday use, it’s great for video streaming, gaming, social media, and surfing the web at home or in small businesses using ADSL2+/VDSL2.

DSL-3788 Wireless AC1200 Gigabit VDSL/ADSL Modem Router on top of a table

Built for Wi‑Fi you can rely on every day.

With the convenient combination of a modem and router in one, you can connect to the internet without needing any additional wires and hardware. Get the most out of your broadband and experience fast dual-band Wi-Fi with all your devices.

Fast Wi-Fi

Fast Wi-Fi
Features 802.11ac Wave 2 wireless technology to provide up to 1.2 Gbps1, which is up to x3 faster speeds the previous generation.
Dual-band Wi-Fi
Dual-band wireless
Sends your devices the best speeds possible over the 5GHz and 2GHz bands.
 MU-MIMO efficiency MU-MIMO efficiency
Delivers high-speed Wi-Fi to all your devices at once without any strain on the network.
Dual bands showing connected devices for both on the DSL-3788 Wireless AC1200 Gigabit VDSL/ADSL Modem Router
Diagram for the DSL-3788 Wireless AC1200 Gigabit VDSL/ADSL Modem Router

All the ports you need in one place.

Utilise the DSL port to connect to your high-speed broadband in seconds. Use the Gigabit LAN ports for smart TVs, NAS, consoles, and media centres. You can also connect USB storage so everyone can share files, photos and videos to everyone connected to your network.

Two ways to enjoy the internet.

  1. Use the RJ-11 Broadband port to connect to your broadband service.
  2. The hybrid LAN/WAN port gives you the flexibility of using the DSL-3788 with an existing modem router.
Available ports on the back of the DSL-3788 Wireless AC1200 Gigabit VDSL/ADSL Modem Router
DSL-3788 Wireless AC1200 Gigabit VDSL/ADSL Modem Router with a shield on top of it

Dual‑active firewalls for superior security.

Take any stress out of surfing the web with built-in, dual-active firewalls (SPI and NAT) for better protection of your wireless network. While WPA/WPA2 wireless encryption also provides active protection to help keep your network secure and your traffic safe against eavesdropping and unauthorised access.

Connect with one button.

Adding new devices to your network doesn’t have to be difficult. Simply press the WPS button on the side of the router and then the WPS button on your device and you are done.

Side of the DSL-3788 Wireless AC1200 Gigabit VDSL/ADSL Modem Router

We're here to help

30 Years

Over 30 years in the networking industry

Innovative end‑to‑end solution experts for small businesses to large corporations around the world.


Talking to us is easy

Skilled local support in 16 countries. Our support teams are ready to help you.

2-Year D-Link Warranty

2‑Year D‑Link Warranty

You're protected by one of the global leaders in the industry.

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1 Maximum wireless signal rate derived from IEEE Standard 802.11ac, 802.11n, 802.11g, and 802.11b specifications. Actual data throughput will vary. Network conditions and environmental factors, including volume of network traffic, building materials and construction, and network overhead, lower actual data throughput rate. Environmental factors may adversely affect wireless signal range. Wireless range and speed rates are D-Link relative performance measurements based on the wireless range and speed rates of a standard Wireless G product from D-Link. Maximum throughput based on D-Link 802.11ac devices.


Wireless standard
Wireless AC Wave 2
Frequency band mode
Dual-band simultaneous
Wireless speed
300 Mbps 2.4 GHz

867 Mbps 5 GHz
Antenna type
2 fixed omni-directional antennas
Wired interface
4 x Gigabit Ethernet LAN


USB ports
1 x USB 2.0
Advanced features
Version Date Type File Size
Datasheet EN - PDF 0.23mb Download
Version Description Date Type File Size
Manual 1.00 RevB2 Product Manual 15/01/2020 - - Download
Version Description Date Type File Size
QSG 1.00 RevB2 Quick Setup Guide 17/04/2020 - - Download
Version Description Date
CE doc 1.00 RevB2 CE documentation 14/01/2020 Download