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Issue: October 2011
Adults Love Texting But…
About 83% of American adults own cell phones and 73% use text messaging, according to The Pew Research Center's Internet & American Life Project. The survey found that adult text messaging users average 41.5 messages a day with the median of 10 texts and 12 calls a day. People who use text messaging said they prefer it to voice calls but 53% overall said they preferred a voice call over a text message. People ages 18 to 24 exchange an average of 109.5 messages on a normal day (!) or more than 3,200 texts per month with a median of 50 messages per day or 1,500 messages per month.
802.11n-Enabled Wi-Fi Equipment Up 17% in Quarter
Global revenue for the 802.11n WiFi equipment market remained flat compared to the previous quarter according to In-Stat, with TP-LINK first with 26% market share, NETGEAR overtaking D-Link as second with 19% market share, and D-Link holding steady with 17%. Shipments of wireless network adapters were up 7.4% to 5.27 million with North American market share rising to 33%. 802.11n-enabled networking equipment now accounts for 68% of all Wi-Fi networking equipment unit shipments, according to InStat.
RF Safety in SFO
The San Francisco Board of Supervisors has passed a new ordinance requiring mobile phone retailers to display and distribute a state-produced fact sheet that explains RF emissions from cell phones and how consumers can minimize their exposure. The ordinance amends the city's controversial Cell Phone Right to Know Act, a similar law passed last year that required cell phone retailers to post and distribute radiation information for every make and model of cell phone they sell.
Microwave Energy to Fight Malaria?
Penn State College of Medicine has received a grant from the Grand Challenges Explorations initiative created by the Bill & Melinda Gates Foundation to continue to pursue a global health research project called “Use of Microwave Frequency as Treatment for Malaria.” The research will explore the effectiveness of low power microwave energy for treatment of malaria in mice. Malaria, once inside the red cells, accumulates iron in its food vacuole and researchers believe this iron may be targeted by microwave energy. If so, the study could yield a new strategy for the treatment of the disease.
A Message from
Considering the importance of military communications systems to our nation's security, you would think they should take priority over commercial interests when it comes to the use of spectrum. However, that simply isn't the case. The Department of Defense and security agencies have to fight it out along with everyone else to retain their allocations in the crowded spectrum below about 6 GHz. As a result, the military annually commits enormous resources to ensuring that communications can be conducted unimpeded throughout the country.
Even with these efforts, interference remains a significant problem for defense agencies and one that gets worse every year as new commercial wireless networks are deployed along with those of other services. For example, while macro cell deployment may have “topped out”, tens of thousands of distributed antenna systems are popping up on utility poles, water towers, and other suitable structures in order to eliminate coverage gaps. Even though these sites are spectrally “clean”, they still add to spectral density.
The proliferation of wireless services poses the greatest threat to existing military systems that have operated for years without problems but now face new interferers. Every year, the application engineers at Anatech Electronics receive requests to mitigate such problems, and we typically remedy them with high-performance cavity filters that attenuate interfering signals to tolerable levels.
If you’re involved with the design or maintenance of these systems, please contact us. We’ve solved extremely complex interference problems with cost-effective solutions tailored to the needs of each one. Call us today at (973) 772-4242, or send an e-mail to
If a picture is worth a thousand words, then our live product demonstrations at this year’s MILCOM exhibition (Baltimore Convention Center, November 7 to 10) ought to be worth even more if you’re trying to tackle interference issues. We’ll be showing attendees how RF and microwave filters eliminate complex interference problems in both new designs and existing installations. Members of our engineering staff will be there and ready to answer even the toughest questions. So put us to the test by stopping by Booth 800!
Some Final Words About Steve Jobs
By now, everyone who ever knew, met, or had anything even remotely to do with Steve Jobs has paid homage to the man. But left unsaid is Jobs’ indirect contribution to the well-being of the RF and microwave industry. Steve Jobs was not an RF guy, nor was he an engineer. To Jobs, microwave and most other technologies were simply a means to an end, which was enabling people to do things using his ideas that when translated into products made them better than those of the competition. The most important of those from an RF and microwave industry perspective is the iPhone. Like most every product category he focused on since rejoining Apple, the iPhone changed the face of the smartphone forever. Like the MP3 player that Apple reinvented, the iPhone wasn’t the first smartphone but rather one that lived up to its name, which no company had been able to do until Jobs and his crack design team showed them the way. This feat spearheaded the proliferation of smartphones, which has benefitted the RF and microwave semiconductor industry enormously as smartphone manufacturers consume huge numbers of devices ranging from small-signal and RF and microwave power transistors and MMICs to SAW filters. While you may not be a fan of Jobs’ “our-way-or-the-highway” corporate philosophy, he was unquestionably instrumental in sustaining the RF and microwave industry even during times of economic crisis.
Answers to last month's Sports Trivia Questions
1. What two players are tied for second behind Ty Cobb in total career runs?
Hank Aaron and Babe Ruth
2. Who was the first athlete to rap at a Pro Bowl musical gala in 1995?
3. What racing competition became a best-of-nine series in 1995?
The America's Cup
Sports Trivia Questions!
1. What disorder did Muhammad Ali develop after years of catching blows?
2. What comic actor scored huge sales with his Bad Golf Made Easy instructional videos?
3. What country fielded 1996 Olympic women's teams that won gold in basketball, soccer and softball?
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