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Five must-know tips for using power inverters in covert surveillance—plus an update on modern battery packs with built-in inverters for flexible field power.

As the name implies, through wall microphones eliminate barriers and allows for a stealthy insertion of audio monitoring.  Obviously, this ability makes a thru-wall microphone perfect for covert audio surveillance of almost any room or building, and especially when gaining access is problematic.  Beyond static surveillance, thru-wall microphones find themselves naturally at home with tactical teams desiring to gain intel prior to no-knocks and stand-off situations.  In either of the tactical scenarios, a thru-wall microphone with a stereo capability can also be used to judge the approximate location of individuals inside the room or structure. 

Thru-wall microphones are also sometimes called contact microphones and the name contact microphones help to explain...

If there is a chance that you'll be tasked with doing covert installations in the future, this is a must-read, and for sure...you'll want to bookmark this article.  Over the past twenty-seven years, I've learned a ton of lessons about covert installations from body worn, mobile, static, and stealthy work inside of buildings.   One of the key lessons is getting the right adhesive for the job, which can make a pivotal difference between a cock-eyed camera view a day after the install, and a dead-on money-shot of the bad guy.  

Ribbon Sealer - (Mobile, Static, Buildings)
Ribbon Sealer, a.k.a. monkey poop was introduced to me at an Illinois State Police class for...

Tips to improve wireless range for covert surveillance systems—plus why these principles are even more critical today with the rise of wireless technologies.

Learn how to turn micro bullet cameras into powerful covert surveillance tools—and see how new IP megapixel versions expand resolution, clarity, and integration.

Wiring a bait car or covert vehicle is about more than hiding wires—it’s about safe, reliable power for mission-critical surveillance gear. From fuse taps and auxiliary batteries to isolators and distribution blocks, this guide shares proven best practices to keep operations running smoothly and undetected.