13 467.6875 FRS Analog 29 462.7125 FRS DMR
14 467.7125 FRS Analog 30 467.5625 FRS DMR
15 462.5500 GMRS Analog 31 467.5875 FRS DMR
16 462.5750 GMRS Analog 32 467.6125 FRS DMR
17 462.6000 GMRS Analog 33 467.6375 FRS DMR
18 462.6250 GMRS Analog 34 467.6625 FRS DMR
19 462.6500 GMRS Analog 35 467.6875 FRS DMR
20 462.6750 GMRS Analog 36 467.7125 FRS DMR
21 462.7000 GMRS Analog 37 462.5500 GMRS DMR
22 462.7250 GMRS Analog 38 462.5750 GMRS DMR
23 462.5625 FRS DMR 39 462.6000 GMRS DMR
24 462.5875 FRS DMR 40 462.6250 GMRS DMR
25 462.6125 FRS DMR 41 462.6500 GMRS DMR
26 462.6375 FRS DMR 42 462.6750 GMRS DMR
27 462.6625 FRS DMR 43 462.7000 GMRS DMR
28 462.6875 FRS DMR 44 462.7250 GMRS DMR
(F) CTCSS (Continuous Tone Coded Squelch System) (*NA Models)
1. 67.0 8. 88.5 15. 110.9 22. 141.3 29. 179.9 36. 233.6
2. 71.9 9. 91.5 16. 114.8 23. 146.2 30. 186.2 37. 241.8
3. 74.4 10. 94.8 17. 118.8 24. 151.4 31. 192.8 38. 250.3
4. 77.0 11. 97.4 18. 123.0 25. 156.7 32. 203.5
5. 79.7 12. 100.0 19. 127.3 26. 162.2 33. 210.7
6. 82.5 13. 103.5 20. 131.8 27. 167.9 34. 218.1
7. 85.4 14. 107.2 21. 136.5 28. 173.8 35. 225.7
(G) DCS (Digital Coded Squelch) (*NA Models)
39. 023 53. 114 67. 174 81. 315 95. 445 109. 631
40. 025 54. 115 68. 205 82. 331 96. 464 110. 632
41.026 55. 116 69. 223 83. 343 97. 465 111. 654
42. 031 56. 125 70. 226 84. 346 98. 466 112. 662
43. 032 57. 131 71. 243 85. 351 99. 503 113. 664
44. 043 58. 132 72. 244 86. 364 100. 506 114. 703
45. 047 59. 134 73. 245 87. 365 101. 516 115. 712
46. 051 60. 143 74. 251 88. 371 102. 532 116. 723
47. 054 61. 152 75. 261 89. 411 103. 546 117. 731
48. 065 62. 155 76. 263 90. 412 104. 565 118. 732
49. 071 63. 156 77. 265 91. 413 105. 606 119. 734
50. 072 64. 162 78. 271 92. 423 106. 612 120. 743
51. 073 65. 165 79. 306 93. 431 107. 624 121. 754
52. 074 66. 172 80. 311 94. 432 108. 627
MT73H7F4D10NA-50 ANSI S3.19-1974
B:1 Test Frequency (Hz) 125 250 500 1000 2000 3150 4000 6300 8000 NRR CSA
B:2 Mean attenuation (dB) 21.2 23.7 34.3 36.6 37.4 39.6 38.9 37.9 39.2 Class
B:3 Standard deviation (dB) 3.3 2.7 2.4 2.8 2.8 3.6 2.9 2.1 3.3 AL
MT73H7B4D10NA, MT73H7B4D10NA-50 ANSI S3.19-1974
B:1 Test Frequency (Hz) 125 250 500 1000 2000 3150 4000 6300 8000 NRR CSA
B:2 Mean attenuation (dB) 20.9 23.6 33.8 37.3 36.8 39.4 39.0 37.7 38.9 Class
B:3 Standard deviation (dB) 3.1 2.0 2.2 2.4 2.7 3.1 2.4 1.8 2.9 AL
MT73H7P3E4D10NA, MT73H7P3E4D10NA-50 ANSI S3.19-1974
B:1 Test Frequency (Hz) 125 250 500 1000 2000 3150 4000 6300 8000 NRR CSA
B:2 Mean attenuation (dB) 19.0 21.9 30.4 35.9 36.1 37.3 37.2 34.7 34.8 Class
B:3 Standard deviation (dB) 2.1 2.4 3.1 3.5 3.0 3.5 3.3 3.2 3.3 A
B:4 Tested with 3M™ PELTOR™ Helmet Model H-700.
(C) COMPATIBLE INDUSTRIAL SAFETY HELMETS EN 352-3
C:1 Helmet Manufacturer C:2 Helmet model C:3 Attachment C:4 Head Size
3M SecureFit Safety Helmet X5000 E SML
3M SecureFit Safety Helmet X5500 E SML
3M G3000 Basic set E L
3M G2000 K L
3M G3501 E L
3M AF L
3M H-700 E L
Grolls Balance AC E L
Petzl Vertex E L
Protector / Scott Style 600 E SML
Protector / Scott Tuffmaster II E L
(D) EXTERNAL AUDIO INPUT LEVELS EN 352-6
D:1 RMS
Voltage U (mV)
D:2 Mean Sound
Pressure (dB(A))
D:3 STD Sound
Pressure (dB)
28,1 70,8 0,7
49,9 75,8 0,7
88,8 80,8 0,7
157,9 85,7 0,7
D:4 94 mV = 82 dB(A)
(E) FACTORY PROGRAMMED RADIO FREQUENCIES (*NA Models)
Channel Frequency
(MHz)
Type Modulation Channel Frequency
(MHz)
Type Modulation Channel Frequency
(MHz)
Type Modulation
1 462.5625 FRS Analog 5 462.6625 FRS Analog 9 467.5875 FRS Analog
2 462.5875 FRS Analog 6 462.6875 FRS Analog 10 467.6125 FRS Analog
3 462.6125 FRS Analog 7 467.7125 FRS Analog 11 467.6375 FRS Analog
4 462.6375 FRS Analog 8 467.5625 FRS Analog 12 467.6625 FRS Analog
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