3M MT73H7A4410WS6EU - RADIO FREQUENCIES AND ADDITIONAL ATTENUATION; HELMET ATTACHMENT ATTENUATION DETAILS; LIST OF PMR AND LPD RADIO CHANNELS

Helmet attachment with foam cushion
Art nr: MT73H7P3E4310WS6AZ, MT73H7P3E4310AZ
B:1 Frequency (Hz) 125 250 500 1000 2000 4000 8000 SLC
80
Class
Clamping
force Weight
B:2 Mean attenuation (dB) 19.1 20.0 28.4 32.2 34.5 35.9 36.7
29 dB 5
B:3 Standard deviation (dB
)
4.4 4.8 4.6 3.0 3.2 3.9 4.6
11 N 473 g
B:4 Mean minus SD 14.7 15.2 23.8 29.2 31.3 32.0 32.1
D:)
D:1 Helmet Manufacturer BD:2 Helmet model D:3 Attachment D:4 Head Size
3M G3000 Basic set E L
3M G2000 K S, M, L
3M SecureFit X5500 E S, M, L
3M SecureFit X5000 E S, M, L
3M G3501 E L
3M Versao M-306, M-307 AF L
(L:1) Radio Channel Frequencies (PMR) EU Only
Channel 1 2 3 4 5 6 7 8
Frequency
(MHz)
446.00625 446.01875 446.03125 446.04375 446.05625 446.06875 446.08125 446.09375
Channel 9 10 11 12 13 14 15 16
Frequency
(MHz)
446.10625 446.11875 446.13125 446.14375 446.15625 446.16875 446.18125 446.19375
(L:2) Radio Channel Frequencies (LPD)
Channel Frequency
(MHz)
Channel Frequency
(MHz)
Channel Frequency
(MHz)
Channel Frequency
(MHz)
Channel Frequency
(MHz)
Channel Frequency
(MHz)
1 433.075 13 433.375 25 433.675 37 433.975 49 434.275 61 434.575
2 433.100 14 433.400 26 433.700 38 434.000 50 434.300 62 434.600
3 433.125 15 433.425 27 433.725 39 434.025 51 434.325 63 434.625
4 433.150 16 433.450 28 433.750 40 434.050 52 434.350 64 434.650
5 433.175 17 433.475 29 433.775 41 434.075 53 434.375 65 434.675
6 433.200 18 433.500 30 433.800 42 434.100 54 434.400 66 434.700
7 433.225 19 433.525 31 433.825 43 434.125 55 434.425 67 434.725
8 433.250 20 433.550 32 433.850 44 434.150 56 434.450 68 434.750
9 433.275 21 433.575 33 433.875 45 434.175 57 434.475 69 434.775
10 433.300 22 433.600 34 433.900 46 434.200 58 434.500
11 433.325 23 433.625 35 433.925 47 434.225 59 434.525
12 433.350 24 433.650 36 433.950 48 434.250 60 434.550