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<blockquote data-quote="Peter Erskine" data-source="post: 49967" data-attributes="member: 1236">Re: Wireless Intercom Manufacturers (Vendors)?Look into the Tempest 2.4gHz Spread Spectrum Frequency Hopping (SSFH) system.&nbsp; At NAB in April they will be introducing several improvements, most important is roaming capability.&nbsp; The way they do it is vastly superior to Cell-Com and Acrobat.&nbsp; Also the 2.4gHz SSFH modulation has very little effect on wifi, however if that concerns your facility, it can be programmed to avoid specific wifi channels.&nbsp; Each base can have 4 comm channels and program and each BP can listen to almost any combination.&nbsp; This frequency doesn&#039;t penetrate walls as well as UHF and if there are zones outside your main space, you may need additional bases.The simplest solution would be Telex BTR in UHF band.&nbsp; As mentioned before be sure to RF coordinate before buying to select the best band.&nbsp; UHF will penetrate most walls well and give better single base coverage than the Tempest.&nbsp; 4 BP can operate and talk at the same time but additional BP can be added in Push to Transmit mode without adding more bases.</blockquote>

[QUOTE="Peter Erskine, post: 49967, member: 1236"] Re: Wireless Intercom Manufacturers (Vendors)? Look into the Tempest 2.4gHz Spread Spectrum Frequency Hopping (SSFH) system. At NAB in April they will be introducing several improvements, most important is roaming capability. The way they do it is vastly superior to Cell-Com and Acrobat. Also the 2.4gHz SSFH modulation has very little effect on wifi, however if that concerns your facility, it can be programmed to avoid specific wifi channels. Each base can have 4 comm channels and program and each BP can listen to almost any combination. This frequency doesn't penetrate walls as well as UHF and if there are zones outside your main space, you may need additional bases. The simplest solution would be Telex BTR in UHF band. As mentioned before be sure to RF coordinate before buying to select the best band. UHF will penetrate most walls well and give better single base coverage than the Tempest. 4 BP can operate and talk at the same time but additional BP can be added in Push to Transmit mode without adding more bases. [/QUOTE]

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