External Sending Card Box

In most cases, the default type of the sending card is assembled in PCI slot of the PC. But this doesn't work in laptop as there's no PCI slot for the assembly. In this situation, you would need to consider the external type sending card box.
Please click here to learn how to assemble the normal type sending card.
And see the below picture of the external sending card box.

In essential, no matter LINSN or DBSTAR, the external sending card is actually the same with normal type sending card. In another word, it is the sending card assembled into a specially-made box.
The signal source to the external sending card could be computer(PC,Laptop), video processor, or other device which is with DVI signal output.
What need to be noticed is - some led display companies claim the external sending card is compatible with VGA and HDMI signal. It is not 100% correct, because no matter VGA or HDMI signal, when feed into the sending card, it must be converted to DVI signal.

As a conclusion, in below situation you should consider the external sending card box:
1. You want to use laptop instead of PC.
2. You want to feed the DVI signal not from the computer, but other devices.