$ binwalk --signature firmware.bin
DECIMAL HEX DESCRIPTION
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0 0x0 DLOB firmware header, boot partition: "dev=/dev/mtdblock/2"
112 0x70 LZMA compressed data, properties: 0x5D, dictionary size: 33554432 bytes, uncompressed size: 3797616 bytes
1310832 0x140070 PackImg section delimiter tag, little endian size: 13644032 bytes; big endian size: 3264512 bytes
1310864 0x140090 Squashfs filesystem, little endian, version 4.0, compression:lzma, size: 3264162 bytes, 1866 inodes, blocksize: 65536 bytes, created: Tue Apr 3 04:12:22 2012