1. How many PocketWizards do you need to fire a flash remotely?
    You need one pocketWizard to fire a flash remotely.
2. How does a PocketWizard transmit a signal?
    Its a radio signal.
3. How many channels are available on a PlusX transmitter?
    There are 10 channels available.
4. How can you tell if a signal has been sent or received?
    You can tell if a signal has been sent because it will flash.
5. What do you need to remotely trigger your camera to take a photo?
     You nee a Plus X.