XtremeMac has introduced its AirPlay Boost for fifth-gen iPods and second-gen iPod nanos -- a wireless FM transmitter that features an external antenna.

Many FM transmitters have a resistor (typically marked with an “R”) to limit the power of the signal. Since the goal of this project is to boost signal, you'll want to remove any resistors you ...

So even though we wish this one helped extend the range of our lonely, virginal Zune's WiFi to promiscuous new distances, we'll still take on a hack that at least boosts the range of our FM ...

The company selected a Harris Intraplex SynchroCast T1 digital multiplexer system to connect the main KYLZ transmitter with four synchronous co-channel boosters. A fifth booster will come online later ...