BMW DFS / Wireless Device Testing

Question: Has BMW Started A Trend by Silencing AM Radio In The New i3 EV (Electric Vehicle)?

By Amy Jones / July 22, 2015

Being called a revolutionary vehicle, the BMW i3 lacks a simple AM radio feature. A carbon-fiber reinforced plastic shell riding on an aluminum platform is blamed for the less-than optimal standards resulting in disabling of the AM radio in this BMW model. After spending close to $40,000 on the most energy efficient car sold in…

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Untethered PITA HCT - CA

Warning: PITA Hacking Device – A Threat To Your Personal Computer’s Encrypted Key Strokes

By Amy Jones / July 22, 2015

This small device easily made from off-shelf parts can be a serious threat to your encrypted keystrokes. The “PITA” was named specifically after the popular pita bread, which the device can actually fit into. An economically made hacking device, named PITA (Portable Instrument for Trace Acquisition) is small enough to fit virtually anywhere, and can…

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Korean Radio Certification - CA

Early Development of The Radio To Today’s Wireless Communication Technology Integration

By Amy Jones / January 14, 2015

The amount of wireless of connectivity, and the options to do so, are abundant in today’s electronic gadgets. WiFi, Bluetooth, UHF and 4G are just a few of the connect options available to the global consumer. All of this wireless connectivity can all be traced back to a significant invention called “The Radio”. Radio is…

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Regulatory Compliance - CA

Company To Pay $80k for Selling Unauthorized Electronic Equipment

By Amy Jones / August 29, 2014

The FCC monitors manufactures nationally and internationally, to make sure regulatory standards are met via intentional and non-intentional RF transmissions. Companies who violate regulations can be subject to fines and legal action. Created by Congressional statute to regulate interstate and global communications by radio, television, wire, satellite, and cable in all 50 states, the District…

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Agency Product Safety Approvals - CA

Trilogy of Magnetics by Wurth Elektronik EMC / EMI Proactive Engineering

By Amy Jones / July 31, 2014

Understanding the subtleties involved with proper EMI / EMC design can be challenging. It involves competent knowledge of all the Design Disciplines; Digital Design, Board Layout, Signal Integrity, System Architecture, Power and Mechanical. The parasitic circuits that are unintentionally created via RF signal coupling and induction are unseen, and can be very confusing to the…

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Regulatory Compliance - CA

The deciBel (dB) Logarithmic Unit to Express Ratio Between 2 Values

By Amy Jones / May 22, 2014

The decibel (dB) is used for a variety of measurements in science and engineering, most prominently in acoustics, electronics, and EMC / EMI. Gains of amplifiers, attenuation of signals, and signal-to-noise ratios are often expressed in “dB”. [br] The decibel (dB) is a logarithmic unit used to express the ratio between two values of a…

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Agency Product Safety Approvals - CA

Recycled Electromagnetic Radiation Powers Smartphone Case

By Amy Jones / March 14, 2014

A new smartphone case prototype on display at the Consumer Electronics Show in Las Vegas featured a unique way to signal an incoming call that makes use of the cell phone’s electromagnetic radiation. Concepter’s Lune smartphone case detects when a call is being received based on the wavelength of the phone’s GSM signal and alerts…

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Compliance Testing - CA

Resolution and Video Bandwidth in a Spectrum Analyzer (RBW VBW)

By Bob Cole / February 13, 2014

Resolution and Video Bandwidth settings on Receivers and Spectrum Analyzers, are specified by various governing regulatory bodies for compliance testing. This is a tutorial and demonstration of the basics of the Resolution BW (RBW) and Video BW (VBW) functions in a Spectrum Analyzer. You may wish to review the “Basics of a Spectrum Analyzer” video…

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Regulatory Compliance - CA

FCC Updates Part 15.255 Rules on 60GHz – FCC-13-112 Report And Order

By Bob Cole / November 26, 2013

FCC-13-112 REPORT AND ORDER Adopted: August 9, 2013 Released: August 9, 2013 By the Commission: Acting Chairwoman Clyburn and Commissioners Rosenworcel and Pai issuing separate statements. I. INTRODUCTION 1. By this action, the Commission modifies Part 15 of its rules for intentional radiators operating on an unlicensed basis in the 57-64 GHz frequency range (60 GHz).…

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