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Generally, each model is equipped with the typical type of capsule for specific sound
characteristic, and the RF design keeps the same, please refer to the following specification
of the capsules for more information on the microphone selection to your system.
Type: Dynamic Mic.
Frequency response: 50Hz~15kHz( 3dB)
Impedance: 270
20% at 1kHz
Sensitivity: 0.005%
Direction: Omni-directional
S-100
Type: Dynamic Mic.
Frequency response: 50Hz~16kHz( 3dB)
Impedance: 300
20% at 1kHz
Sensitivity: -71dB 3dB
Direction: Omni-directional
S-600
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6. ANNEX
Most countries closely regulate the radio frequencies used in the transmission of
wireless information. These regulations state which devices can use which frequencies,
and help to limit the amount of RF(radio frequency)interference in all wireless
communications.To be flexible enough to operate worldwide, UR-81DR Wireless
receivers are available in a number of models, each with a unique frequency range.
Each frequency range, or band, spans up to 24MHz of the wireless broadcast
spectrum. Available bands are:
6.1 Frequency Band Selection
F1:470.000-494.000(470-496)MHz F2:518.000-542.000(518-544)MHz
F3:572.000-596.000(572-598)MHz F4:638.000-662.000(638-664)MHz
F5:702.000-726.000(702-731)MHz F6:740.000-764.000(740-769)MHz
F7:798.000-822.000(798-827)MHz F8:850.000-874.000(850-879)MHz
6.2 Frequency Ranges
Group1 Group2 Group3 Group4 Group5
Group6
1
2
3
4
5
6
7
8
9
10
11
12
F1: 470.000-494.000(470-496)MHz F1: 470.000-494.000(470-496)MHz
470.125 470.325 470.525 470.725 470.925 471.125
471.325 471.525 471.725 471.925 472.125 472.325
472.525 472.725 472.925 473.125 473.325 473.525
473.725 473.925 474.125 474.325 474.525 474.725
474.925 475.125 475.325 475.525 475.725 475.925
476.125 476.325 476.525 476.725 476.925 477.125
477.325 477.525 477.725 477.925 478.125 478.325
478.525 478.725 478.925 479.125 479.325 479.525
479.725 479.925 480.125 480.325 480.525 480.725
480.925 481.125 481.325 481.525 481.725 481.925
482.125 482.325 482.525 482.725 482.925 483.125
483.325 483.525 483.725 483.925 484.125 484.325