what various options are there to locally display the same source as is being streamed online on multiple monitors (or laptops) be it cabled or wireless spanning distances of up to a few 100 meters (325ft) at outdoors venues without using the network used for the streaming itself?

tnx
Guy

Helpfull kjones thank you

Now often it is in fact not feasable to lay down some cabling (not enough prep time , no early access to location or simple the cabling would be more of a nuisance/inconveniance or no option to pass through obstructions)
in those cases what are the easyest/simplest quick to setup options ?

some laggin is allowed be it the less the better ;-)