[mythtv-users] Quad DVB-T tuner and aerial strength

Raymond Wagner raymond at wagnerrp.com
Sun Mar 2 04:28:32 UTC 2014

On 03/01/14 22:06, Stephen Worthington wrote:
> On Sun, 2 Mar 2014 14:32:50 +1100, you wrote:
>> On another thread I heard about this DVB-T quad tuner card -
>> http://www.digitalnow.com.au/product_pages/Quad.html
>> It has a single TV aerial RF input. Does anyone know whether the card
>> weakens the signal by the equivalent of 4 individual tuner cards each
>> plugged into a different aerial? I'm asking because if you plug connect
>> lots of devices around the house into the aerial the signal is shared and
>> weakened to the point where it's too weak to get decent reception. But if
>> this is the equivalent of a single aerial it sounds like a little gem of a
>> device!
> Basic physics applies - unless it has an amplified splitter builtin,
> then it will have to have an unamplified splitter and will be the same
> as using a four way splitter yourself.  Given this text on that web
> page:
> "This is a 4 digital TV tuner card with one antenna input, you must
> supply it a good quality digital TV signal to operate it properly (see
> under system requirements), if you are in an area where the signal is
> marginal, this product is most likely not suitable, consider single or
> dual tuner devices  for your situation."
> then I would think that it virtually certain that it only has an
> unamplified splitter.
> However, you can always add an amplifier splitter to your aerial
> system yourself.  In which case, it would be better to have a board
> with multiple aerial inputs such as these:

Or, you could just use an amplifier without a splitter, and plug it
straight into this card.

More information about the mythtv-users mailing list