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Anatech Electronics April 2019 Newsletter

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Anatech Electronics Header: April 2019 Newsletter


Anatech Electronics, an RF and microwave filter company, has introduced a new line of suspended stripline and waveguide type RF filters. Also, Sam Benzacar wrote as part of his April newsletter an article entitled "5G Brings EM Radiation Front and Center," which discusses the physiological implications of cellphone and WiFi radiation on humans. As with so many things, politics and money (intimately entwined) drive the issue with little concern for the truth. On a lighter note, the topics of FCC spectrum auctions, Google Fiber disappearance in some locations, and rural broadband delivery schemes are covered.

A Word from Sam Benzacar

5G Brings EM Radiation Front and Center (Sam Benzacar) - RF Cafe

5G Brings EM Radiation Front and Center

By Sam Benzacar

You would think that after hundreds of studies conducted over several decades, there would be a definitive answer to the debate about whether EM radiation from wireless devices causes cancer, brain damage, changes to DNA, and other maladies, but there's not. So, you wouldn't have to be clairvoyant to predict that with 5G entering the picture this topic would rise again in the media, thanks to its use of millimeter-wave frequencies and huge numbers of small cells.

I've been following this topic for a long time, primarily because it checks all the boxes needed to produce controversy, from supposedly-unbiased industry-sponsored studies, to political intrigue, heavy industry lobbying, and researchers trashing each other's work. Lost somewhere in this is the answer to the basic question: Are we safe? Some researchers strongly say yes, and others say no, and in the middle are those who say "possibly, but we're still not sure." While a long-term controlled study of the effects in man might answer the question, it would be extremely difficult to conduct, so we're stuck with mice and rats. (To their credit, the tiny creatures are the mainstay of scientific research, and without them we'd have nothing at all.)

The issue with small cells has become increasingly contentious as carriers begin to roll them out, and they're appearing everywhere, and they're noticeable. No one likes having more unsightly equipment hanging off utility poles, on the top or sides building, water towers, and other structures, nor do some want any more EM emissions around them than they already have. Residents and municipalities have been battling them for decades for these reasons. People swarm town meetings and stage protests, and towns and cities slow the approval process to a crawl. This worked so well that the federal government stepped in to give them short and shorter time limits for making a decision. San Francisco just won a victory in the California Supreme court over small cell deployment, tightening the rules.

Now, to reduce latency to 5G's promised 1 ms or so, small-cell base stations must be near where the end user is, especially when operating at millimeter-wave frequencies. When they begin to be deployed indoors this problem will get even worse form health and safety perspective, as they'll be everywhere there too.

In addition to small cells, there will be millimeter-wave fixed wireless access transceivers mounted on utility poles to deliver broadband as a competitor to cable. Collectively, they represent an exponential expansion of base stations, and some people and even some countries are concerned. And the Belgian government just halted a 5G pilot project in Brussels over concerns that 5G cannot meet the city's strict radiation rules.

It's safe to say that eventually the siting issues will be settled (more or less) to people's satisfaction, the proliferation of small cells won't be positively proven to have harmed anyone, and 5G will continue its bumpy ride to provide something for everyone. But that won't keep people wondering whether EM radiation is harmful, and the answer will remain elusive - until the day 6G arrives.

FCC Offers up More Money for Rural Broadband - RF CafeFCC Offers up More Money for Rural Broadband

If there are any people in rural areas without decent broadband after the FCC exhausts in various initiatives, there will still be the Rural Digital Opportunity Fund rolled out this month. The fund will provide $20.4 billion to connect up to 4 million homes and small businesses across rural America to broadband services with speeds up to 1 Gb/s. The money will come from repurposing of the Universal Service Fund. The specific details will be determined after the FCC goes through its usual notice and comment process.


Biggest Spectrum Ever About to Unfold - RF CafeBiggest Spectrum Ever About to Unfold

The FCC is auctioning off even more millimeter-wave spectrum for 5G, at 37, 39 and 47 GHz, making it the most spectrum ever auctioned at one time, and the third one place this year. Those included the 28 GHz auction and most recently the 24 GHz auction. Collectively, the 37 GHz and 39 GHz bands would offer a total of 2.4 GHz, and the 47 GHz band will add another 1 GHz, for a grand total of nearly 5 GHz of spectrum for use this year. No doubt this is happening so quickly because no other services operate at these frequencies so there's no one to complain, sharing to contend with, or refarming.

Google Fiber Exits Louisville, Gracefully - RF CafeGoogle Fiber Exits Louisville, Gracefully

Having shut down its fiber service in Louisville, KY, Google Fiber will now pay $3.84 million to Louisville Metro Government for removing fiber and sealant from roads, paving, and removal of aboveground infrastructure. The problem was that Google used shallow trenching to deploy its fiber very quickly, but it also exposed fiber cables and had other flaws. In addition, the company is making a $150,000 cash donation to the Community Foundation of Louisville's Digital Inclusion Fund, for refurbishing used computers for low-income individuals and the enrollment of public housing residents in low-cost internet access via other companies' services. Finally, Google Fiber is giving 275 refurbished computers to the city.

Anatech Electronics Introduces a New Line of Suspended Stripline and Waveguide Type RF Filters

Anatech Electronics Waveguide Filters - RF Cafe

LINKS: Waveguide Bandstop & Waveguide Bandpass 

Anatech Electronics Suspended Stripline Filters - RF Cafe

LINKS:  Suspended Stripline Highpass  & Suspended Stripline Lowpass

Check out Our Filter Products

Anatech Electronics Cavity Band Pass Filters       Anatech Electronics LC Bandpass Filters - RF Cafe       Anatech Electronics Cavity Bandpass/Notch Filters - RF Cafe

    Cavity Band Pass Filters             LC Band Pass Filters           Cavity Bandstop/Notch Filter

About Anatech Electronics

Anatech Electronics, Inc. (AEI) specializes in the design and manufacture of standard and custom RF and microwave filters and other passive components and subsystems employed in commercial, industrial, and aerospace and applications. Products are available from an operating frequency range of 10 kHz to 30 GHz and include cavity, ceramic, crystal, LC, and surface acoustic wave (SAW), as well as power combiners/dividers, duplexers and diplexers, directional couplers, terminations, attenuators, circulators, EMI filters, and lightning arrestors. The company's custom products and capabilities are available at www.anatechelectronics.com.


Anatech Electronics, Inc.

70 Outwater Lane

Garfield, NJ 07026

(973) 772-4242




Posted April 16, 2019

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