*477 : Hardware and software revision
Sepura Hardware code :
1. Digit yang ke-6 pada Hardware code memberitahu kita memgenai perkara ini:
0 = Clear
1 = TEA1
2 = TEA2
3 = TEA3
2. Digit yang ke-4 dan ke-5 pada Hardware code memberitahu kita freq.
TW = 380 - 430 Mhz
UW = 407 - 473 Mhz
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