D-Link DCH-M225 rev A1

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bgn (N300)
Wi-Fi Audio Extender
D-Link DCH-M225.jpg
Wikipedia D-Link
WikiDevi.wi-cat.ru D-Link DCH-M225 rev A1
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Supported
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
BrandModelRev D-Link DCH-M225 A1
FCC ID (fcc.io) KA2CHM225A1
FCC ID (fcc.report) KA2CHM225A1
IC ID 4216A-CHM225A1
Type repeater, audio streamer
CPU1 checkY MediaTek MT7620A
CPU1 Type MIPS 24KEc
CPU1 Speed 580 MHz 32-bit
Flash1 Chip Winbond W25Q64VSIG
Flash1 Size 8 MiB 8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
RAM1 Size 64 MiB 67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br />
RAM1 Chip Winbond W9751G6KB-25I

802dot11 OUI: none specified

Expansion IF types none specified
Power 100-240 VAC ~ 50/60 Hz, 0.3 A
Connector type NEMA 1-15P
Serial Port (UART) yes, 3.3V TTL, (57600 8N1)

Flags:
Audio out (3.5mm)

Additional chips
Audio codec;Wolfson Microelectronics;WM8960G;WM8960G, 2CA0, PDR;1;

Other

Default SSID: dlink-XXXX (35 addl. devices)
Default IP address: 192.168.0.50
the IP 192.168.0.50 is used by 63 additional devices
of which 62 are D-Link devices

Manuf/OEM/ODM Alpha Networks WAP-N22 A1
3rd Party Firmware Support OpenWrt • (List | Dev | DLs)
Radio 1
Chip1 MediaTek MT7620A
Wireless interface OUI none specified
Antenna Connector Type U.FL
MIMO status 2x2:2
Wireless Standard IEEE 802.11b/g/n
802.11n up to 300 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
WiFi Operating Frequency 2.4 GHz

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.

300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 class

Overview

  • "WAP-N22", "REV-A1", and "8WAPN22..1A1G" would appear to be silkscreened on the main board in the FCC photos.
  • The shown Flash chip used is from Winbond .. it looks to be a W25Q64<...> (8 MB)

Default settings in this entry are per the FCC manual. They may be, to some degree, inaccurate.

Flashing

Flashing OpenWrt

OpenWrt Target: ramips
OpenWrt Subtarget: mt7620
OpenWrt Package architecture: mipsel_24kc
Support started version: 17.01.0
Current supported version: 24.10.2
Install Comment:
WARNING: at present the v18.x release doesn't enable wifi, bricks device because there's no Ethernet
Comment:
Wolfson Audio Codec

Please insert instructions here