CAD Forum - tips, tricks, discussion and utilities for AutoCAD, Inventor, Revit and other Autodesk products [www.cadforum.cz] ARKANCE | CONTACT - CZ | SK | EN | DE
Over 1.098.000 registered users (EN+CZ). AutoCAD tips, Inventor tips, Revit tips. Try the new precise Engineering calculator and the updated Barcode generator. New AutoCAD 2026 commands and variables.

Free Block Library CAD Library of AutoCAD DWG blocks Communication

?
Free CAD+BIM Blocks, Models, Symbols and Details

Free CAD and BIM blocks library - content for AutoCAD, AutoCAD LT, Revit, Inventor, Fusion 360 and other 2D and 3D CAD applications by Autodesk. CAD blocks and files can be downloaded in the formats DWG, RFA, IPT, F3D. You can exchange useful blocks and symbols with other CAD and BIM users. See popular blocks and top brands.


Upload after login Insert new block (you have to be logged in)
Advanced search
    Help

DWG Catalog > Electrical > Installation > Communication

displaying only a filtered subcatalog DWG - all

Category 96 - Communication : +block
Total found 205 records

U119.dwg
U119.dwg
DWG
Fire detection (in security alarm systems)
DWG2000
Downloaded: 1890x
Size 23,7kB • from 31.08.2007
Uploader: vbehun • Author: Vojtěch Běhunčík

U118.dwg
U118.dwg
DWG
Ultrasound detector
DWG2000
Downloaded: 1638x
Size 23,2kB • from 31.08.2007
Uploader: vbehun • Author: Vojtěch Běhunčík

U117.dwg
U117.dwg
DWG
Gas leakage detector
DWG2000
Downloaded: 1619x
Size 23,3kB • from 31.08.2007
Uploader: vbehun • Author: Vojtěch Běhunčík

U109.dwg
U109.dwg
DWG
Access - door "locked"
DWG2000
Downloaded: 1052x
Size 23,3kB • from 30.08.2007
Uploader: vbehun • Author: Vojtěch Běhunčík

U108.dwg
U108.dwg
DWG
Access - door "knob / handle"
DWG2000
Downloaded: 1346x
Size 22,9kB • from 30.08.2007
Uploader: vbehun • Author: Vojtěch Běhunčík

U028.dwg
U028.dwg
DWG
Let through mechanical lock
DWG2000
Downloaded: 1142x
Size 23,4kB • from 30.08.2007
Uploader: vbehun • Author: Vojtěch Běhunčík

U027.dwg
U027.dwg
DWG
Let through electrical lock
DWG2000
Downloaded: 975x
Size 23kB • from 30.08.2007
Uploader: vbehun • Author: Vojtěch Běhunčík

U037.dwg
U037.dwg
DWG
Wireless transfer
DWG2000
Downloaded: 1940x
Size 23kB • from 30.08.2007
Uploader: vbehun • Author: Vojtěch Běhunčík

U011.dwg
U011.dwg
DWG
Combined sensor (ceiling IR motion + glass shatter)
DWG2000
Downloaded: 1558x
Size 24,4kB • from 30.08.2007
Uploader: vbehun • Author: Vojtěch Běhunčík

U021.dwg
U021.dwg
DWG
Access - optical+acoustic indicator (general)
DWG2000
Downloaded: 1625x
Size 23,3kB • from 28.08.2007
Uploader: vbehun • Author: Vojtěch Běhunčík

pages:   First   ... 10 11 12 13 14 15 16 17 18 19 20 ...    Last
CAD blocks: low-voltage security fire isolierung libraries dwg blocks bloques blocos blocchi blocco blocs blöcke family families symbols details parts models modellen geometry elements entourage cell cells drawing bibliotheque theme category collections content kostenlos insert scale landscaping
We appreciate all your comments and input to the functionality of CAD Catalog, to the category tree, etc. Please report possible bugs to webmaster.cz@arkance.world.
Nous apprécions tous vos commentaires et suggestions sur la fonctionnalité du catalogue CAO, sur l'arborescence des catégories, etc ainsi que sur les bogues éventuellement rencontrés. Merci de transmettre vos remarques a webmaster.cz@arkance.world.

CAD blocks can be downloaded and used for your own personal or company design use only. Any distribution of the Catalog content (to other catalogs, web download, CD/DVD media, etc.) is prohibited - see Terms of use. The DWG-version problem (not valid file, invalid file, drawing not valid, cannot open) can be solved by the Tip 2869.

See also block-statistics and the latest 100 blocks.