Sony DWM02/30 Technical Chart (DWX Frequency List) - Page 33

Group D1, Group D2, Group D5

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Grouping for digital wireless system Guidance on the use of a multi-channel system using digital wireless system When building up the system with digital wireless devices only, channel intervals can be fixed. No special calculations are necessary to avoid intermodulations. Set channel intervals to 375 kHz or more. When building up a multi-channel system, Sony recommends that one of the following groups is selected to avoid mutual interference from other Sony wireless microphones/transmitters: - Groups D1 and D2 are for using 12 channels of transmitting frequencies in one TV channel. - Groups D5 is for using 24 channels of transmitting frequencies in two TV channels. Notes • The reliability of this channel plan is assured when the RF power output of the transmitter/microphone is 1 mW or 10 mW and distances of transmitters/microphones are 30 cm (11 7/8 inch) or more. • When the distances between transmitters and microphones need to be closer than the distances above, use a grouping system for multichannel systems that include both digital wireless and analog wireless devices. Group D1 Grouping 12 channels Channel 50 - 02 50 - 06 50 - 10 50 - 14 50 - 18 50 - 22 50 - 26 50 - 30 50 - 34 50 - 38 50 - 42 50 - 46 Frequency 686.250 686.750 687.250 687.750 688.250 688.750 689.250 689.750 690.250 690.750 691.250 691.750 Group D2 Grouping 12 channels Channel 51 - 02 51 - 06 51 - 10 51 - 14 51 - 18 51 - 22 51 - 26 51 - 30 51 - 34 51 - 38 51 - 42 51 - 46 Frequency 692.250 692.750 693.250 693.750 694.250 694.750 695.250 695.750 696.250 696.750 697.250 697.750 Group D5 Grouping 24 channels Channel 50 - 01 50 - 05 50 - 09 50 - 13 50 - 17 50 - 21 50 - 25 50 - 29 50 - 33 50 - 37 50 - 41 50 - 45 51 - 02 51 - 06 51 - 10 51 - 14 51 - 18 51 - 22 51 - 26 51 - 30 51 - 34 51 - 38 51 - 42 51 - 46 Frequency 686.125 686.625 687.125 687.625 688.125 688.625 689.125 689.625 690.125 690.625 691.125 691.625 692.250 692.750 693.250 693.750 694.250 694.750 695.250 695.750 696.250 696.750 697.250 697.750 Frequency unit: MHz

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Guidance on the use of a multi-channel system using digital wireless system
When building up the system with digital wireless devices only, channel intervals can be fixed. No special calculations are necessary to
avoid intermodulations. Set channel intervals to 375 kHz or more.
When building up a multi-channel system, Sony recommends that one of the following groups is selected to avoid mutual interference
from other Sony wireless microphones/transmitters:
–
Groups D1 and D2 are for using 12 channels of transmitting frequencies in one TV channel.
–
Groups D5 is for using 24 channels of transmitting frequencies in two TV channels.
• The reliability of this channel plan is assured when the RF power output of the transmitter/microphone is 1
mW or 10
mW and distances
of transmitters/microphones are 30 cm (11
7
/
8
inch) or more.
• When the distances between transmitters and microphones need to be closer than the distances above, use a grouping system for multi-
channel systems that include both digital wireless and analog wireless devices.
Frequency unit: MHz
Grouping for digital wireless system
Notes
Group D1
Grouping 12 channels
Channel
Frequency
50 - 02
686.250
50 - 06
686.750
50 - 10
687.250
50 - 14
687.750
50 - 18
688.250
50 - 22
688.750
50 - 26
689.250
50 - 30
689.750
50 - 34
690.250
50 - 38
690.750
50 - 42
691.250
50 - 46
691.750
Group D2
Grouping 12 channels
Channel
Frequency
51 - 02
692.250
51 - 06
692.750
51 - 10
693.250
51 - 14
693.750
51 - 18
694.250
51 - 22
694.750
51 - 26
695.250
51 - 30
695.750
51 - 34
696.250
51 - 38
696.750
51 - 42
697.250
51 - 46
697.750
Group D5
Grouping 24 channels
Channel
Frequency
50 - 01
686.125
50 - 05
686.625
50 - 09
687.125
50 - 13
687.625
50 - 17
688.125
50 - 21
688.625
50 - 25
689.125
50 - 29
689.625
50 - 33
690.125
50 - 37
690.625
50 - 41
691.125
50 - 45
691.625
51 - 02
692.250
51 - 06
692.750
51 - 10
693.250
51 - 14
693.750
51 - 18
694.250
51 - 22
694.750
51 - 26
695.250
51 - 30
695.750
51 - 34
696.250
51 - 38
696.750
51 - 42
697.250
51 - 46
697.750