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Alarm Siren Placement Guide
Where to put the interior and outdoor alarm siren: out of reach and off the entry path, heard in every bedroom, protected by tamper…
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Amplifier Wattage vs Speaker Wattage
Match an amplifier to passive speakers with confidence: compare continuous ratings at the right impedance, leave headroom, avoid clipping and set gain so the…
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Z-Wave Thermostat C Wire: Do You Need One?
What the C wire is, why a battery powered Z-Wave thermostat does not repeat, how to add power with a spare conductor or kit,…
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Z-Wave Garage Door Controller Guide
How a Z-Wave garage door controller works: the relay at the opener, the tilt sensor on the door, the required warning before a remote…
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How to Weatherproof Coax Connectors
Keep water out of outdoor F connectors: start with a sealed compression fitting, point it down with a drip loop, seal it with a…
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How to Run Ethernet Underground
Running Ethernet to another building? Locate utilities first, choose conduit or direct burial cable, get the depth from local code, seal and protect the…
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Can You Staple Cat6 Cable?
Stapling Cat6 is fine only with insulated staples set loose. Learn why crushing hurts performance, which fasteners to use on joists and studs, and…
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Cellular vs Roller Shades
Cellular vs roller shades compared for dealers: insulation from national lab tests, blackout and privacy, how each is motorized, stack height, cleaning and which…
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What Is a DSP Amplifier?
What a DSP amplifier adds to a distributed audio system: speaker EQ presets, high-pass filters, limiters, delay and routing for ceiling and outdoor zones,…
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What Is a Scene Controller?
A scene controller is a multi-button keypad that recalls whole scenes through a hub. Learn how it differs from smart and companion switches, how…
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RSSI vs SNR for Wireless Links
Read a radio status screen with confidence: what RSSI and SNR measure, why SNR decides the modulation rate, what a chain gap means, and…
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TV Antenna Balun: Do You Need One?
What a TV antenna balun does, how to tell whether your antenna needs a 300 ohm to 75 ohm balun, how to mount and…
Bursma Distributing
Blog
Guides and product notes for dealers, installers and integrators.