This part is a kind of semiconductor called GDT-xxx.

Function of this product has Modular Jacks and Plugs.

Manufacturers : Kycon

Image and pinout :

Some of the text within the PDF file :

KYCON Video Connectors MODULAR JACKS AND PLUGS PRELIMINARY http://www.kycon.com (888)KYCON-22 GDT Series Electrical Performance HIGH TEMP Category 5 100MHz Bandwidth Performance Attenuation @ 100MHz less than 0.13dB Performance meets Near End crosstalk (NEXT) Requirements of -40dB @ 100MHz per EIA/TIA 568A in applications where UL is used Approved Category 5 cable (GA27-3773-1) Shield offers 20dB shielding from 30MHz to 300MHz Ordering Information GDT Series Vertical CAT5 Modular Jack Features • 0.650" Height • Fully Shielded to reduce EMI/RFI • Snap in Board Retention Tabs • CSA/NRTL Certified File No. LR78160 Part Number GDT-S-88 GDT-S-88-50 Contact Area Plating Finish Gold Flash (standard) 50u" Gold (50 option) Dimensions Dimensions in mm GDT-S-88 15.9 13.30 8.89 2.75 [ ... ]

GDT-xxx PDF Datasheet Download