Cudy LT300 v3
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| bgn (N300) | |
|---|---|
| 4G LTE N300 Wi-Fi Router | |
 | |
| Homepage | Product page |
| 3rd Party Firmware | |
| dd-wrt | Status Unknown |
| OpenWrt | Supported |
| Tomato any flavor | Incompatible |
| Gargoyle | Status Unknown |
| Platform | |
| Brand • Model • Rev | Cudy LT300 v3 |
| FCC ID | none specified |
| Type | travel router |
CPU1  | MediaTek MT7628AN |
| CPU1 Type | MIPS 24KEc |
| CPU1 Speed | 580 MHz |
| Flash1 Chip | Brand? Model? |
| Flash1 Size | 16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br /> (NOR) |
| RAM1 Size | 64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br /> (DDR2) |
| RAM1 Chip | Brand? Model? |
| ETH chip1 | MediaTek MT7628AN |
| Switch | MediaTek MT7628AN |
| Ethernet Port Count |
1-100MbE-WAN 1-100MbE-LAN |
| Wired Standard | IEEE 802.3i/3u |
| Stock bootloader | U-Boot |
| Expansion IF types | none specified |
| Power | ? VDC, ? A |
| Connector type | USB-C |
| Serial Port (UART) | yes, 3.3V TTL, (115200 8N1) |
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Flags: | |
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| Other | |
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| 3rd Party Firmware Support |
OpenWrt • (List | Dev | DLs) |
| Radio 1 | |
| Chip1 | MediaTek MT7628AN |
| Wireless interface OUI | 80:AF:CA |
| Antenna Connector Type | none specified |
| 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 Cudy devices with specifications, see Cudy.
- • 300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 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
 | This device is NOT RECOMMENDED for future use with OpenWrt due to low flash/ram.
DO NOT BUY DEVICES WITH 8MB FLASH / 64MB RAM if you intend to flash an up-to-date and secure OpenWrt version onto it! See 8/64 warning for details. This device does not have sufficient resources (flash and/or RAM) to provide secure and reliable operation. This means that you will not be able to install many packages, and that you might experience crashes due to OOM situations more or less often. See OpenWrt on 8/64 devices what you can do now. |
Target: ramips
Subtarget: mt76x8
Package architecture: mips_24kc
Supported Since Commit
Support started version: 25.12.0
Current supported version: 25.12.5
Subtarget: mt76x8
Package architecture: mips_24kc
Supported Since Commit
Support started version: 25.12.0
Current supported version: 25.12.5
WLAN Hardware: MT7628
Installation method(s):
see git-commit
Recovery method(s):
see git-commit
Comment:
https://www.cudy.com/en-nordic/blogs/faq/how-to-recovery-the-cudy-router-from-openwrt-firmware-to-cudy-official-firmware
Installation method(s):
see git-commit
Recovery method(s):
see git-commit
Comment:
https://www.cudy.com/en-nordic/blogs/faq/how-to-recovery-the-cudy-router-from-openwrt-firmware-to-cudy-official-firmware
| git • >> |
|---|
ramips: mt76x8: add support for Cudy LT300 v3
Hardware:
- SoC: MediaTek MT7628AN (MIPS 580MHz)
- Flash: 16 MiB NOR
- RAM: 64 MiB DDR2
- WLAN: 2.4 GHz (MT7628)
- Ethernet: 1x 10/100 Mbps WAN/LAN, 1x 10/100 LAN (MT7628)
- Build-in LTE Modem: MeigLink SLM770A
4G Cat. 4 (150/50 Mbps)
- Buttons: 1x Reset, 1x wps
- LEDs: Front: 1x Red, 1x White,
Back: 3x White 4G signal strengh
- Serial console: unpopulated header, 115200 8n1
- Power: USB-C
MAC addresses:
+---------+-------------------+-----------+
| | MAC | Algorithm |
+---------+-------------------+-----------+
| WAN | 80:af:ca:xx:xx:x1 | label+1 |
| LAN | 80:af:ca:xx:xx:x0 | label |
| WLAN 2g | 80:af:ca:xx:xx:x2 | label+2 |
+---------+-------------------+-----------+
Migration to OpenWrt:
- Download the RSA signed intermediate firmware from the Cudy website:
`openwrt-ramips-mt76x8-cudy_lt300-v3-squashfs-flash.bin`
- Connect computer to LAN and flash the intermediate firmware via OEM web interface
- OpenWrt is now accessible via 192.168.1.1
Revert back to OEM firmware:
- Set up a TFTP server on IP 192.168.1.88 and connect to the WAN port (upper port)
- Provide the Cudy firmware as recovery.bin in the TFTP server
- Press the reset button while powering on the device
- Recovery process is started now
- When recovery process is done, OEM firmware is accessible via 192.168.10.1 again
General information:
- No possibility to load a initramfs image via U-Boot because there is no option to interrupt U-Boot
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