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Discover how full duplex technology enables simultaneous two-way communication in professional audio systems. Learn about its applications in tours, training, and events, featuring the Retekess TT126's 280m range and long battery life.

Retekess TT126 full-duplex tour system offers 280m range, UHF stability, 120h battery life, and 4-level noise reduction. Perfect for guides, trainers, and event organizers!

Full duplex communication relies on advanced signal processing to allow simultaneous transmission and reception on the same frequency.Discover how full duplex technology enables real-time two-way communication in wireless tour systems. Compare Retekess TT129 & TT126 for museums, corporate training, and outdoor tours.

Discover the best wireless tour guide systems for outdoor activities in 2025. Compare Retekess T130P, TT106 features, battery life, range and noise cancellation for professional tours, team guiding and multilingual events.