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WDR Security Camera: What It Does
What WDR does on a security camera, where backlit doors and docks need it, true vs digital WDR, why dB ratings do not compare,…
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How to Export NVR Footage
Export NVR footage without losing it: stop the loop overwriting the event, find it in playback, format the USB drive correctly, choose native or…
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How to Paint Speaker Grilles
Paint in-ceiling and in-wall speaker grilles without losing sound: remove the grille and scrim, prime the metal, spray thin coats, keep every perforation clear…
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Patch Panel vs Direct to Switch
Should horizontal runs end on a patch panel or plug straight into the switch? Compare strain on solid cable, permanent link testing, moves and…
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How to Test Coax Cable
Test a coax run the right way: isolate it, check center to shield with a multimeter, prove continuity with a far-end jumper, trace unlabeled…
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Flat vs Round Ethernet Cable
Flat or round Ethernet cable? How the pairs are laid out, whether flat cords are slower, when one can go under carpet or through…
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Tower House Bracket: Mounting a Tower to a House
How a tower house bracket holds a lattice tower beside a building: wall vs eave brackets, fixing into framing, standoff, why the maker’s chart…
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Long Range Access Point: Does It Help?
A long range access point sends further, but WiFi is two-way. Learn why client transmit power sets real range, where long range units help,…
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Do Cell Boosters Work With 5G?
A cell booster amplifies frequencies, not generations. Learn which 5G bands a consumer booster can help, why mid-band and millimeter wave are out of…
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How to Pull Cable From a Box Without Kinks
Pull network cable from the box without loops or kinks: reel in a box vs figure-8 cartons, why cable twists, pulling several boxes at…
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End of Line Resistor Alarm Wiring Explained
How an end of line resistor lets an alarm panel tell normal, open and short apart: wiring NC and NO contacts, single vs double…
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In Wall Volume Control Buzzing: Causes and Fixes
Why an in-wall volume control buzzes or hums, and how to fix it: transformer vibration on bass, the impedance setting, loose plates and brackets,…
Bursma Distributing
Blog
Guides and product notes for dealers, installers and integrators.