what power source does it use?
571568
Nothing more than your tv - plugs into the antenna output. We're really pleased with how well it works. Use it on a spare 19" HD set and receive all digital channels. Sometimes a slight turn of the antenna needed to bring in the strongest signal. Hope this helps!
571569
There is no power source. This is just an antenna. It connects to the tv via a coax port.
309031
I'm not sure what it uses by just being plugged in. It's max capacity is supposed to be 2400 watts. I have a computer plugged into it that is always running as well as a few other things in my recording studio that always use a little power. I don't think it uses much on it's own. I have 4 of them in different locations and I haven't seen any increase in my electrical bill using them.
1704316
It uses an external power supply. It only used the USB and thunderbolt connections for data transfer.
15121
It's got a power supply with it. I have that plugged into my power strip...
1516219
It doesn't draw power. It has an internal battery which is charged with a USB cable and supposedly lasts 6 hours between charges. Haven't had mine long and haven't used it enough to know if it really lasts a full 6 hours.
1667704
Both: primary power is from the outlet, but there is a back-up wafer battery, a 2026, I think.
1305610
If you've not looked at the "owners manual" for this item please do a google search and find one. The short answer to that question is none, there's not an external power source, it's 12v and powered by the motherboard connection.
1745351
It only runs on battery power. It has a rechargeable battery that charges on standard U.S. 110 outlets.
1366211
You plug it in. I works pretty well. It has better power than the battery operated kind.
316832
The plug uses 50mW with no load. That's with absolutely nothing plugged in to it. So yes it does use some power but its a miniscule amount.
1782887
That's what I've got it plugged into. Works great (for the power consumption - I only have a 300W supply)!
1177850
I can't directly answer your question but I can tell you that it is equipped with a mini USB connector, both for charging the device and for connection to a device to be powered by it.
1375099
I don't know how much power it uses but it was so noisy that I returned it. Good luck.
1061613
There are 2 power sources. You can either plug in to USB or the wall for it to work.
1483670
The power source is batteries. Not sure of the frequency, but I would definitely NOT recommend this product. As a front door to inside intercom the volume was so low that it was worthless. We finally just threw them away.
2014079
Same question twice...It uses both battery and corded power...it's small, though. I sent mine back.
1497221
Bob, I'm not sure what you mean by "outside power source". It plugs into a regular 110 volt wall outlet, or extension cord running to a 110 volt wall outlet. Hope this helped.