How to use a bluetooth connected speaker for iTunes only
Greetings. I have connected the bluetooth speaker to my mac, and can play itunes on it, but I also hear the computer's beeps and notices through this speaker. This detracts from the musical experience, to say the least. Please help.
Hi X42:
Your last paragraph intrigued me as I had the same impression:
I thought unlicensed BT devices were legally limited by the FCC to about 30 feet (3 meters)
Actually, 30 feet is 10 meters.
Anyway, I researched and found this as part of a Wikipedia item:
Bluetooth is a standard wire-replacement communications protocol primarily designed for low power consumption, with a short range (power-class-dependent, but effective ranges vary in practice; see table below) based on low-cost transceiver microchips in each device.[7] Because the devices use a radio (broadcast) communications system, they do not have to be in visual line of sight of each other, however a quasi optical wireless path must be viable.[2]
Class
Maximum Permitted Power
Range
(approximate)
mW
dBm
Class 1
100
20
~100 meters
Class 2
2.5
4
~10 meters
Class 3
1
0
~5 meter
The effective range varies due to propagation conditions, material coverage, production sample variations, antenna configurations and battery conditions. In most cases the effective range of class 2 devices is extended if they connect to a class 1 transceiver, compared to a pure class 2 network. This is accomplished by the higher sensitivity and transmission power of Class 1 devices.[8]
Apparently there are BT devices that will transmit about 300 feet. I did look at the FCC site, but quickly became confused in the technbabble.
Barry
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