We are supplier or Passenger Information System in train vehicles. 

For a current offer/project for an Infotainment Solution we are 
looking for a wireless audio broadcasting system that is able 
to operate in train compartments. 

The aim of the system should be to distribute wireless at 
least 3 independent analog stereo channels to the passenger, 
having a head set and a small receiver box to select channel 1-3.

The passenger equipment should be a low cost solution. 

Start delivery foreseen from 2011. 
Qty:  20000pcs/year.

The offered wireless technology must be able to operate in a 
train compartment for a distance transmitter-receiver of 10m 
maximum. One transmitter should feed up to approximately 
50 receivers (broadcast, one way communication)