Hi-Link HLK-7688A
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| bgn (N150) | |
|---|---|
| Serial to WiFi wireless routing module | |
 | |
| Homepage | Product page |
| 3rd Party Firmware | |
| dd-wrt | Status Unknown |
| OpenWrt | Supported |
| Tomato any flavor | Incompatible |
| Gargoyle | Status Unknown |
| Platform | |
| Brand • Model • Rev | Hi-Link HLK-7688A |
| FCC ID | 2AD56HLK-7688A |
| Type | module |
CPU1  | MediaTek MT7688AN |
| CPU1 Type | MIPS 24KEc |
| CPU1 Speed | 580 MHz |
| Flash1 Chip | Brand? Model? |
| Flash1 Size | 32 MiB 33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 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 | Brand? Model? |
| ETH chip1 | MediaTek MT7688AN |
| Switch | MediaTek MT7688AN |
| Ethernet Port Count |
1-100MbE-WAN 4-100MbE-LAN |
| Wired Standard | IEEE 802.3i/3u |
|
802dot11 OUI: none specified | |
| Stock bootloader | U-Boot |
| Expansion IF types | USB 2.0 |
| USB ports | 1 |
| USB Hub Compatible | Untested |
| Power | 3.3 VDC, ? A |
| Serial Port (UART) | yes |
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| Other | |
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| 3rd Party Firmware Support |
OpenWrt • (List | Dev | DLs) |
| Radio 1 | |
| Chip1 | MediaTek MT7688AN |
| Wireless interface OUI | none specified |
| Antenna Connector Type | none specified |
| MIMO status | 1x1:1 |
| Wireless Standard | IEEE 802.11b/g/n |
| 802.11n | up to 150 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.
- • 150 Mbps - 1SS 2.4GHz 802.11n (40MHz chan.) = N150 class
Flashing
 | NOTE: During configuration or flashing a device, the only things that should be hooked to the device is the computer and power. |
Flashing OpenWrt
Target: ramips
Subtarget: mt76x8
Package architecture: mipsel_24kc
Supported Since Commit
Support started version: 21.02.0
Current supported version: 25.12.2
Subtarget: mt76x8
Package architecture: mipsel_24kc
Supported Since Commit
Support started version: 21.02.0
Current supported version: 25.12.2
LAN Hardware: MediaTek MT7688AN
WLAN Hardware: MediaTek MT7688AN
WLAN Comment: MIMO 1x1:1
Installation method(s):
U-Boot TFTP recovery, see git-commit
Recovery method(s):
U-Boot TFTP recovery
WLAN Hardware: MediaTek MT7688AN
WLAN Comment: MIMO 1x1:1
Installation method(s):
U-Boot TFTP recovery, see git-commit
Recovery method(s):
U-Boot TFTP recovery
| git • >> |
|---|
ramips: add support for Hi-Link HLK-7688A
Specifications:
- SoC: MediaTek MT7688AN
- RAM: 128 MB
- Flash: 32 MB
- Ethernet: 5x 10/100 (1x WAN, 4x LAN)
- Wireless: built in 2.4GHz (bgn)
- USB: 1x USB 2.0 port
- Buttons: 1x Reset
- LEDs: 1x (WiFi)
Flash instructions:
- Configure TFTP server with IP address 10.10.10.3
- Name the firmware file as firmware.bin
- Connect any Ethernet port to the TFTP server's LAN
- Choose option 2 in U-Boot
- Alternatively choose option 7 to upload firmware to the built-in
web server
MAC addresses as verified by OEM firmware:
use address source
2g *:XX factory 0x4
LAN *:XX+1 factory 0x28
WAN *:XX+1 factory 0x2e
Notes:
This board is ostensibly a module containing the MediaTek MT7688AN SoC,
128 MB DDR2 SDRAM and 32 MB flash storage. The SoC can be operated in
IoT Gateway Mode or IoT Device Mode.
From some vendors the U-Boot that comes installed operates on UART 2
which is inaccessible in gateway mode and operates unreliably in the
Linux kernel when using more than 64 MB of RAM. For those, updating
U-Boot is recommended.
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