Wireless Tour Guide System with UHF PLL 16 Channels (WMA-9800)

UHF PLL synthesized with 16 selectable frequencies
Avoid interference of some frequency
Digital pilot one and noise cancel technology
Interfering voice elimination
Transmitter and receiver are powered by 2 pieces AA batteries
Batteries last for more than 10 hours
Used in one-to-one and one to multiple system
Used in interpretation, portable camera, wireless microphone and earphone system
Operating range: 70m (in-line and sight area situations)