GPS tour gudie system includes one radio transmitter and multiple receivers.
One transmitter's working distance is 20 - 500 meters.
Scenic spots are located, setted and recorded in the transmitter with a GPS system.
Transmitter will memorize each scenic spot and send a signal to the receiver,
when they reach a certain distance of the scenic spot.
Transmitter and receivers will be in the same bus or cruise.
Different audios will be played in the receiver when tourists reach different places
during the sightseeing or visiting.
It is a full-automatic system.
Delete one audio
Delete all audios
Audio choosing button
GPS range setting button
Channel choosing button
Audio-triggering distance setting button
15. Output USB socket
16. Input USB socket
17. Power cable socket
18. GPS antenna