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Tempest 2400 Wireless Intercom System

Selecting a Frequency Band

The Tempest 2400 Wireless Intercom System is approved for license free use in most countries.

However, due to differences in radio spectrum regulations, some countries require that 2.4GHz

equipment limit or adjust its RF spectrum operation. Always determine if there are country specific

frequency restrictions that apply and select the required frequency band as described below. Tempest

performs RF frequency adjustment automatically when you select the appropriate frequency band from

the Tech Menu. Remember that this is a legal requirement in some countries

It is only necessary to use this feature if you use Tempest in one of the countries with special frequency

requirements. Otherwise, Band 1 is the default and should be used for maximum RF performance.

If the Tempest Wireless system is transported to a country with special requirements, navigate to the

Radio Configuration screen in the Tech Menu to select the appropriate frequency band from the “Set

Band” menu screen in the base station.

After changing the frequency band selection it is necessary to Pair each beltstation with the base station

so the information can be transmitted from the base station to the beltstation.

See the “Pairing with Beltstations” section on page 68 of this manual for more information on Pairing.

GHz MHz

Band Start End Width Avoid 802.11b/g

1 2400 2480 80 None

2 2400 2450 50 11

3 2423 2473 50 1

4 2431 2480 49 1,2

5 2400 2428 28 7,8,9,10,11

6 2423 2450 27 1,11

7 2453 2480 27 1,2,3,4,5,6,7

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 99 100

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