Coverage/Interference

News

Firecom introduces second-generation wireless headset, offers credit on older models (with related video)

Firecom’s 50-Series is a second-generation, full-duplex, hands-free wireless radio headset that reduces the need for firefighters to be tethered to the truck and intercom via a cable.

NIST tests firefighter tracking devices for radio-frequency interference

RFID poses serious potential for wireless interference with PASS device alarms, NIST researcher Kate Remley said.

Survey Technologies’ Field Test measures in-building coverage

STI Field Test 6 supports indoor coverage surveys using a scanning receiver, a compatible spectrum analyzer, or a digital radio test set.

Winning the battle

Last month, we began to explore radio-frequency interference, every technician’s bane. Now we look at additional causes of RFI and — more importantly — what can be done about them.

The bane of your existence

Radio-frequency interference is something that every radio-system engineer will encounter, sooner or later. In this installment, we begin to explain how it occurs and what to do about it.

A losing proposition

How RF attenuation on the transmission line affects the transmitter

Solving intermodulation interference

Common problems, real-world examples and solutions

The value of ferrite RF isolators

Proper use at crowded communications sites can reduce intermodulation effects

Transmitter noise/receiver desense primer

When locating multiple stations at a single site, several precautions must be taken to guard against interference to all stations at the site. Among the

Article

Coverage prediction for digital mobile systems (Part 2)

Propagation as a channel filter An instructive and useful way to look at the propagation mechanism is to consider it as a filter, and the propagation

News

Firecom introduces second-generation wireless headset, offers credit on older models (with related video)

NIST tests firefighter tracking devices for radio-frequency interference

Survey Technologies’ Field Test measures in-building coverage

Winning the battle

The bane of your existence

A losing proposition

Solving intermodulation interference

The value of ferrite RF isolators

Transmitter noise/receiver desense primer

Article

Coverage prediction for digital mobile systems (Part 2)

Commentary

Ransomware? Let’s call it what it really is: extortionware

Redefining communications for today’s mobile workforces

Hi-tech sewer can help safeguard public health, environment and economies

Events

UC Ezines

IWCE 2019 Wrap Up

Twitter

California PD: ‘Game-changing’ Live911 streaming of emergency calls accelerates responses dlvr.it/RtPgXS

Why Tuscon is building its own 4G network dlvr.it/RtPDG5

SolarWinds attackers lurked for ‘several months’ in FireEye’s network dlvr.it/RtP07s

Buffalo’s 48 hours to navigate a mission-critical transition to remote work dlvr.it/RtNwfl

Digital transformation, connectivity create platform for sustainable mobility dlvr.it/RtNwYm

Florida SLERS renewal could wait until May as SLERS-2 procurement begins dlvr.it/RtLWGB

Westell, End-to-End Public Safety BDA Solutions dlvr.it/RtKrf9

Newscan: SolarWinds CEO recommends liability protections for sharing information about incidents dlvr.it/RtJwP7