ZyXEL NBG2105

"270-NB0-FW151B004C0 REV.C" is silkscreened on one NBG2105's board.
 * It's presumably a Netronix P/N, likely an Intelligent Technology FW151B

The default SSID format for these devices would appear to be ZyXEL followed by the last two octets of the BSSID (w/ lower case letters).

Pinout
J11 (GND) (RxD) (TxD) [3.3]

Boot log
Booting...

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ @ chip__no chip__id mfr___id dev___id cap___id size_sft dev_size chipSize @ 0000000h 0c22016h 00000c2h 0000020h 0000016h 0000000h 0000016h 0400000h @ blk_size blk__cnt sec_size sec__cnt pageSize page_cnt chip_clk chipName @ 0010000h 0000040h 0001000h 0000400h 0000100h 0000010h 0000027h MX25L3205D @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

---RealTek(RTL8196E)at 2012.10.09-19:03+0800 v0.5 [16bit](400MHz) no sys signature at 00010000! no sys signature at 00030000! no rootfs signature at 000E0000! no rootfs signature at 00100000! Jump to image start=0x80500000... decompressing kernel: Uncompressing Linux... done, booting the kernel. done decompressing kernel. start address: 0x80003600 RTL8188ER driver version 1.5 (2012-05-04)

Probing RTL8186 10/100 NIC-kenel stack size order[3]... chip name: 8196C, chip revid: 0 NOT YET eth0 added. vid=9 Member port 0x1... eth1 added. vid=8 Member port 0x10... eth2 added. vid=9 Member port 0x2... eth3 added. vid=9 Member port 0x4... eth4 added. vid=9 Member port 0x8... eth5 added. vid=9 Member port 0x0... [peth0] added, mapping to [eth1]... Realtek FastPath:v1.03 init started: BusyBox v1.13.4 (2012-10-29 15:35:46 CST) OTG: wall mount detect ...............................Init Start... Init bridge interface... Init Wlan application...

WiFi Simple Config v2.11-wps2.0 (2012.09.04-08:24+0000).

Register to wlan0 iwcontrol RegisterPID to (wlan0) Init WAN Interface... boa: server version Boa/0.94.14rc21 boa: server built Dec 17 2012 at 08:53:46. boa: starting server pid=268, port 80 Notice: caching turned off
 * 1) Original mode: 2

Additional info
Linux version 2.6.30.9 (root@localhost.localdomain) (gcc version 3.4.6-1.3.6) #495 Mon Dec 17 08:54:03 CST 2012 system type            : RTL819xD processor              : 0 cpu model              : 52481 BogoMIPS               : 398.95 tlb_entries            : 32 mips16 implemented     : yes RTL8196EU v1.0 -- Mon Dec 17 08:53:48 CST 2012 The SDK version is: Realtek SDK v3.2.2.1-r12870 Ethernet driver version is: 12799-12484 Wireless driver version is: 12853-12853 Fastpath source version is: 12490-12484 Feature support version is: 12490-12484
 * 1) cat /proc/version
 * 1) cat /proc/cpuinfo
 * 1) cat /etc/version