Questions tagged [radio]
20 questions
2
votes
1 answer
Is DAB+ digital radio more energy efficient than FM radio?
In a recent interview, the Flemish minister of Media mentioned energy efficiency as one of the advantages of DAB+ digital radio over FM radio. (And thus making the decision by the EU to completely switch over to digital radio in the next few years…
user52494
2
votes
0 answers
Is it safe for a child to sleep near a baby monitor?
I have always assumed baby monitors and all wireless technology to be completely safe and have been informed by a 'friend' that I have been endangering my children by using them.
We used an RF detector to measure exposure and it amounted to a…

JeebieHeebies
- 39
- 2
1
vote
1 answer
Is it possible for Armavir to see ballistic missile over Mediterranean (how high was it)?
Some time ago there were several statements about missile launch detection over the Midterranean using russian Station Armavir:
http://rbth.ru/science_and_tech/2013/09/09/armavir_radar_keeps_an_eye_on_the_middle_east_29629.html
Armavir radar…

osgx
- 833
- 10
- 14
0
votes
1 answer
Are remote self-powered implanted devices with transmitters practical?
There is an article about a research in nanogenerators and transmitters used to make a self-powering implant which can transmit wireless signals to receivers over a distance. It is claimed that
A new generation of battery-free surveillance devices…

RLR
- 177
- 1
- 6
0
votes
1 answer
How can a call use cellular service when cellular service is off in Airplane Mode?
According to Verizon (a large company generally positioned to be a trusted source of knowledge for how cellular phones and cellular networks work):
When using Wi-Fi Calling, 911 calls will always try cellular service in the local market first,…

WBT
- 329
- 1
- 4
- 11