Why isn't my walkie working? 

By: By Ira Wiesenfeld, P.E.

The answer often is simple - and usually involves the antenna...

Distributed mesh system supports public-safety communications 

By: By Mary Rose Roberts

MeshDynamics of Santa Clara, Calif., announced the addition of 4.9 GHz radio technology to its line of MD4000 Wi-Fi wireless-mesh nodes...

Terocelo: SDR chips will be ready for handsets next year 

By: By Donny Jackson

CMOS transceiver chips using Terocelo's patented True Software Radio technology will be available in about a year...

Solar-powered batteries 

By: By Mary Rose Roberts

Solis Energy of Orlando, Fla., introduced its suite of solar-powered products ...

Every toolbox needs one of these 

By: By Harold Kinley

The RF sampler is an important test accessory for any field technician...

With technology, more is better 

By: By Donny Jackson

Vendor's goal is for users to leverage best characteristics of all available networks...

Choose your weapon 

By: By Marv Wessel

What to consider when selecting electromagnetic field-measuring equipment...

NextWave increases TD-CDMA capital 

By: By Lynnette Luna

Company hopes to accelerate deployments of still-nascent broadband technology...

Health-care provider invests in wireless broadband 

Richardson, Texas-based InnerWireless said it would deploy its Horizon wireless broadband infrastructure at the Foote Health System campus in Jackson, Mich....

Tackling interference at the site 

By: By Jay M. Jacobsmeyer, P.E.

Transmitter, receiver and passive intermodulation are the primary culprits...

MIMO's future becomes less certain 

By: By Lynnette Luna

Wireless carriers are focusing on CDMA standard instead ...

Florida counties experience deja vu 

By: By Mary Rose Roberts

Deadly tornadoes spawn several communications challenges...

VoIP console melds disparate protocols 

By: By Mary Rose Roberts

Radio and telephone console vendor Avtec (www.avtecinc.com) recently launched Scout, the company's voice over IP, or VoIP, console. Scout is comprised...

Tower site hits roadblock in California county 

By: By Mary Rose Roberts

Controversy is brewing over a wireless tower site in Sonoma County, Calif., that allegedly has operated without a valid zoning permit since 1999. At issue...

It's time to share 

By: By Donny Jackson

During last year's wildfires in Southern California, San Diego-area residents received diametrically opposed directives from public-safety officials who...