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D-Link DIR-878 rev A1

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multiple revisions of this device, use caution
abgn+ac (AC1900)
AC1900 MU-MIMO Wi-Fi Gigabit Router
DIR878SideLeft.png
Homepage Product page
Support Support page
Wikipedia D-Link
WikiDevi.wi-cat.ru D-Link DIR-878 rev A1
3rd Party Firmware
dd-wrt Supported
OpenWrt Supported
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
BrandModelRev D-Link DIR-878 A1
FCC ID (fcc.io) KA2IR878A1
FCC ID (fcc.report) KA2IR878A1
IC ID 4216A-IR878A1
Board ID AP-MTKH7-0002
Type wireless router
CPU1 checkY MediaTek MT7621AT
CPU1 Type MIPS 1004Kc
CPU1 Speed 880 MHz ( 2 cores ) 16-bit
Flash1 Chip Macronix MX25L12805D
Flash1 Size 16 MiB 16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
RAM1 Size 128 MiB 134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Chip Nanya NT5CC64M16GP-DI
ETH chip1 MediaTek MT7621AT
Switch MediaTek MT7621AT
Ethernet Port Count 1-1GbE-WAN
4-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab

802dot11 OUI: none specified

Stock bootloader U-Boot 1.1.3 Ralink 5.0.0.0
Expansion IF types none specified
Power 12 VDC, 1.5 A
Connector type barrel
Serial Port (UART) yes, 3.3V TTL, (57600 8N1)

Flags:
MU-MIMO, 256QAM

Additional chips
5GHz RF Front End Module;Qorvo (RFMD);RFFM4552;Q, 4552, 39PF;4;

Other

Default SSID: dlink-XXXX (35 addl. devices)
Default login user: Admin
Default login password: blank
Admin:blank credentials used by 82 additional devices
of which 77 are D-Link devices

Manuf/OEM/ODM SGE (T&W) AP-MTKH7 0002
3rd Party Firmware Support DD-WRT • (List)
, OpenWrt • (List | Dev | DLs)
Retail
FCC approval date 10 April 2017
ASIN B06XGB3X7R Flag of the United States.svg
Country of manuf China
Radio 1
Chip1 MediaTek MT7615N
Wireless interface OUI none specified
Antenna Connector Type U.FL
MIMO status 4x4:3
Wireless Standard IEEE 802.11b/g/n
N-QAM up to 600 Mbps
802.11n up to 450 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
WiFi Operating Frequency 2.4 GHz
Radio 2
Chip1 MediaTek MT7615N
Wireless interface OUI none specified
Antenna Connector Type U.FL
MIMO status 4x4:3
Wireless Standard IEEE 802.11a/n/ac
802.11ac up to 1300 Mbps
N-QAM up to 600 Mbps
802.11n up to 450 Mbps
802.11a up to 54 Mbps
WiFi Operating Frequency 5 GHz
 CPU1 brandRadio1 chip1 brandRadio2 chip1 brand
D-Link DIR-878 rev A1MediaTekMediaTekMediaTek
D-Link DIR-878 rev R1MediaTekMediaTekMediaTek

For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.

For a list of all currently documented D-Link devices with specifications, see D-Link.

600 Mbps - 3SS 2.4GHz 802.11n (40MHz chan., 256-QAM),
1300 Mbps - 3SS 5GHz 802.11ac (80MHz chan.) = AC1900 class

Overview

"AP-MTKH7-0002 REV1.0" is silkscreened on the board in the FCC photos.

Despite being labeled as an AC1900 router, this device appears to be identical to the AC2600 D-Link DIR-882 rev A1 aside from the USB ports. D-Link claims only 1300/600Mbps speeds but also claims that it supports four streams. The hardware is capable of four streams. FCC test reports show four-stream speeds so that's what we'll go with for specs.

Links of Interest

Reviews

from D-Link confirming AC2600 support in the DIR-878 hardware).

Flashing

Flashing dd-wrt

Support started version: dir878-a1 build 33006 20170803
Current supported version: ?

Please insert instructions here

Flashing OpenWrt

OpenWrt Target: ramips
OpenWrt Subtarget: mt7621
OpenWrt Package architecture: mipsel_24kc
Supported Since Commit
Support started version: 21.02.0
Current supported version: 24.10.5
LAN Hardware: MediaTek MT7621AT
WLAN Hardware: 2x MediaTek MT7615N
WLAN Comment: 4x4:3 MIMO both channels
Installation method(s):
D-Link Recovery GUI
Recovery method(s):
D-Link Recovery GUI

Please insert instructions here

Pictures

Retail Images

See also