Features Single-presenter/multiple-listener system ? expandable to multiple presenters/unlimited participants Completely portable ? no base station required Easy to use, push-to-talk functionality Frequency-hopping technology subject to less interference - offers greater reliability in an array of tour group applications. Legal for use in most countries. Description Product Description One-way, wireless tour guide system in the 2.4 GHz band. Ideal for smaller tour groups of 11 or fewer members. Group members have listen-only apabilities. Enhances communication between tour guide and group members. Helps overcome background noise and distance from the tour guide. The system can be used in factories, museums, tourist attractions, or bus tours. Group members have listen-only capabilities.