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Hardware Highlights

CPU Ram Flash Network USB Serial JTAG
MIPS 24KEc V4.12 32MB 4MB 2x100mbps No Yes Yes


The board is the same one used on the ZyXEL NBG-419N, but has 2 Ethernet ports instead of 4 LAN + 1 WAN. (and has no WiFi on/off switch)

Support for the ZyXEL NBG-419N appeared in r28078, so you can download an Attitude Adjustment (12.09 final) openwrt-ramips-rt305x-nbg-419n-squashfs-sysupgrade.bin image or you can build from the source. See build. Select Ralink RT288x/RT305x as Target System and RT305x based boards as Subtarget in make menuconfig.

You should obtain <buildroot dir>/bin/ramips/openwrt-ramips-rt305x-nbg-419n-squashfs-sysupgrade.bin.

The only issue is that the Switch/VLAN configurations let you configure even the ports that are actually unpopulated on the PCB, and obviously LuCI will show the wrong model on the webadmin.

The rest of the installation process is the same as the ZyXEL NBG-419N.



Architecture: MIPS
Vendor: Ralink
Bootloader: U-Boot
System-On-Chip: Ralink RT3052
CPU Speed: 384 Mhz
Flash size: 4 MiB
RAM: 32 MiB
USB: No (Not populated)
Serial: Yes

Opening the case

Note: This will void your warranty!

  • To remove the cover simply remove the two screws on the bottom. Then just open it.
  • The board itself has no screws.


The are 4 pins on the board marked as follows:

  1. RX
  2. GND
  3. TX
  4. 3V3


The bootloader used in this unit is U-Boot. It is available through the serial interface with the settings: 57600/N/1


toh/zyxel/wap3205.txt · Last modified: 2015/10/20 23:06 by tmomas