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72 Mhz
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216 Mhz
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To Meet ADA Requirements
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Meets ADA guidelines for the hard of hearing at both 72 and 216MHz. Listen is compatible with all existing major brand systems. No special license is required.
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ADA Frequency Use Designation
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Designated for hearing impaired and assistive listening transmissions
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Designated for assistive listening, tour group, language interpretation, medical, and law enforcement transmissions.
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Simultaneous Channels
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Offers 6 simultaneous channels within the 72-76MHz spectrum range
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Offers 3 simultaneous channels within the 216-217MHz spectrum range.*
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Sound Quality
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Exceptional sound quality (SNR 80db, 50Hz to 15KHZ)**
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Excellent sound quality (SNR 80 dB, 50Hz to 10KHZ)**
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Transmission Range
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Good Range -- stationary transmitters have a 500-1,500 foot range, and mobile transmitters have a 100-150 foot
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Greater Range -- stationary transmitters have a 1,000-3,000 foot range, and mobile transmitters have a 100-150 foot range.
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Reduction of Interference
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Expect more interference from outside sources.
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Because 216MHz is an exclusive band to assistive listening, it may offer less transmission interference
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72 Mhz
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216 Mhz
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For More Simultaneous Channels
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72MHz offers twice the number of simultaneous channels.
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For Better Transmission Range
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216MHz offers almost twice the transmission range as 72MHz (from a stationary transmitter).
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For Less Interference
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As an exclusive band, 216MHz is not licensed for other uses and may offer less transmission interference
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RECOMMENDED
APPLICATIONS FOR:
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72 Mhz
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216 Mhz
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Places of Worship
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Recommended: Clearer signals with twice the number of simultaneous channels for multiple language interpretation or different meetings.
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Suggested for when greater range is necessary.
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Language Interpretation
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Benefits: Use 6 channels* for simultaneous interpretation to multiple languages.
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Benefits: Greater range with stationary transmitter. Use 3 channels* for simultaneous interpretation.
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Tour Groups
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Benefits: Use 6 channels* for simultaneous groups touring the same facility without interference and overlap.
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Benefits: Because 216MHz is an exclusive band to tour groups, it may offer less transmission interference 72MHz and 216MHz transmitters have similar transmission ranges
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Schools
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Recommended: Compatible with most existing systems at 72MHz systems
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Suggested for when greater range is necessary. Compatible with Phonak MicrolinkTM.
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Meeting Rooms, Hotels and Convention Centers
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Recommended: More simultaneous channels means multiple meetings can use different FM systems at the same time without interference from each other
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Suggested for when greater range is necessary, such as large rooms or for remote speakers in foyers and overflow areas, however SNR may be objectionable in low noise environments
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Stadiums/Arenas
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Suggested when adding to or upgrading an existing 72MHz system (compatible with all major brands).
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Recommended: Greater range for larger venues, particularly stadiums and arenas
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Live Theatre
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Suggested for when more simultaneous transmissions are necessary (such as simultaneous interpretation).
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Suggested for when greater range is necessary.
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