wget ftp://ftp.a-link.com/wnap/WNAP_e206Aeng1_web.zip
unzip WNAP_e206Aeng1_web.zip
hexdump -C WNAP_e206Aeng1_web.bin > WNAP_e206Aeng1_web.bin.txt

00007840  00 01 00 00 00 01 00 00  00 01 65 5a 42 5a 68 39  |..........eZBZh9|  === 0000784c BZh
0x0000784c == 30796
dd if=WNAP_e206Aeng1_web.bin of=file1.bz2 bs=1 skip=30796
bunzip2 file1

dd if=WNAP_e206Aeng1_web.bin of=file2.bz2 bs=1 skip=30796 count=91480

30796+91480=122276 == 0x1DDA4

0001dda0  6b 24 1b 20 00 65 63 73  72 6f 80 40 00 00 00 03  |k$. .ecsro.@....|


Kernel marks:
0001f8c0  10 10 10 10 10 10 10 41  41 41 41 41 41 01 01 01  |.......AAAAAA...|



0001fdb0  00 00 00 00 00 00 5d 00  00 80 00 86 00 35 00 00  |......]......5..|
0001fdb6 == 130486   FILE5 LZMA

[crope@localhost e206Aeng1]$ lzmainfo file5

file5
Uncompressed size:             3 MB (3473542 bytes)
Dictionary size:               8 MB (2^23 bytes)
Literal context bits (lc):     3
Literal pos bits (lp):         0
Number of pos bits (pb):       2




0001fdf0  24 42 49 4e c4 37 27 17  aa 09 f9 4a ce f2 0c 96  |$BIN.7'....J....|

0001fdf1 130545

Looks like firmware uses squashfs with LZMA (and thats why, missign LZMA-squashfs, I cannot mount it correctly):
0001f980  02 02 02 02 02 02 4d 61  6c 6c 6f 63 20 65 72 72  |......Malloc err|
0001f990  6f 72 0a 00 00 00 4d 65  6d 6f 72 79 20 65 72 72  |or....Memory err|
0001f9a0  6f 72 0a 00 00 00 4c 5a  4d 41 3a 20 44 65 63 6f  |or....LZMA: Deco|
0001f9b0  64 69 6e 67 20 65 72 72  6f 72 20 3d 20 20 00 00  |ding error =  ..|
0001f9c0  00 00 4f 75 74 20 6f 66  20 6d 65 6d 6f 72 79 00  |..Out of memory.|