This part is a kind of semiconductor called LTM455GW.

Function of this product has (LTM450 / LTM455) CERAMIC FILTER.

Manufacturers : TOKEN

Image and pinout :

Some of the text within the PDF file :

TOKEN LTM 455/450 Ceramic Filters Ceramic Filters for Communication Ceramic Filter for Communication (Murata CFUM/WM 455/450 Compatible) Preview Token ceramic filters for communication LTM 455/450 U/W series are miniaturized versions of the Murata CFU/ CFWS lines. These compact, highly selective characteristics are recommended for use in applications ranging from two-way radio to auxiliary filters in high class transceivers. These ultra-miniature versions consume approximately 40% less volume while still offering the same high performance filter characteristics. Version 2010 http://www.token.com.tw/ rfq token.com.tw 01 of 03 TOKEN Dimensions 2.4 1.8 0.8 LTM 455/450 Ceramic Filters 6.5 45 5E U 6.5 0.7 6.5 45 5E W 2.5 2.7 9.5 1.9 0.9 [ ... ]

LTM455GW PDF Datasheet Download