ZyXEL LTE7490-M904

bgn (N300)
4G LTE-A Pro Outdoor Router
Homepage	Product page
Wikipedia	ZyXEL
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	ZyXEL LTE7490-M904
FCC ID	none specified
Type	wireless router, LTE modem
CPU1 Y	MediaTek MT7621AT
CPU1 Type	MIPS 1004Kc
CPU1 Speed	880 MHz ( 2 cores ) 16-bit
Flash1 Chip	Brand? Model?
Flash1 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 /> (NAND)
RAM1 Size	256 MiB 268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br />
RAM1 Chip	Brand? Model?
ETH chip1	MediaTek MT7621AT
Ethernet Port Count	1-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
802dot11 OUI: none specified
Stock bootloader	U-Boot
Expansion IF types	none specified
PoE	802.3at, standard
Power	? VDC, ? A
Serial Port (UART)	yes, 3.3V TTL, (57600 8N1)
Flags: LTE
Other
3rd Party Firmware Support	OpenWrt • (List | Dev | DLs)
Radio 1
Chip1	MediaTek MT7603E
Wireless interface OUI	none specified
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 ZyXEL devices with specifications, see ZyXEL.

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

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki
On the OpenWrt Forum

Target: ramips
Subtarget: mt7621
Package architecture: mipsel_24kc
Supported Since Commit
Support started version: 25.12.0
Current supported version: 25.12.2

LAN Comment: Quectel EG18-EA LTE-A Cat. 18
WLAN Hardware: MediaTek MT7603E
Installation method(s):
GUI OEM, see git-commit
Recovery method(s):
see git-commit

git • >>

ramips: add support for Zyxel LTE7490-M904 The Zyxel LTE7490-M904 is an 802.3at PoE powered LTE outdoor (IP68) CPE with integrated directional antennas. Specifications: - SoC: MediaTek MT7621AT - RAM: 256 MB - Flash: 128 MB MB NAND (MX30LF1G18AC) - WiFi: MediaTek MT7603E 802.11b/g/n - Switch: 1 LAN port (1 Gbps) - LTE/3G/2G: Quectel EG18-EA LTE-A Cat. 18 connected by USB3 to SoC - SIM: 1 micro-SIM slots under transparent cover - Buttons: Reset, WLAN under same cover - LEDs: Multicolour green/red/amber under same cover (visible) - Power: 802.3at PoE via LAN port The device is built as an outdoor ethernet to LTE bridge or router. The wifi interface is intended for installation and/or temporary management purposes only. UART Serial: 57600N1, located on populated 5 pin header J5: [o] GND [ ] key - no pin [o] RX [o] TX [o] 3.3V Vcc Remove the SIM/button/LED cover and 12 screws holding the back plate and antenna cover together. Be careful with the cables. Installation from OEM web GUI: - Log in as "admin" on OEM web GUI - Upload OpenWrt initramfs-recovery.bin image on the Maintenance -> Firmware page - Wait for OpenWrt to boot and ssh to root@192.168.1.1 - Sysupgrade to the OpenWrt sysupgrade image and reboot For more details about flashing see: 2449a63208 (ramips: mt7621: Add support for ZyXEL NR7101, 2021-04-19) Main porting work done by Ernesto Castellotti <ernesto@castellotti.net>: bf1c12f68b (ramips: add support for ZyXEL LTE7490-M904, 2023-12-20)