| BTS MS ( - - ), | 869,0 - 894,0 |
| MS BTS ( - - ), | 824,0 - 849,0 |
| , | 45,0 |
| , | 30,0 |
| 395 + 395 = 790 | |
| 21 + 21 = 42 | |
| MS, | 3,0 |
| , | 2,0 - 20,0 |
| (), 12,0 | |
| (), 8,0 | |
| , / | 10,0 . -, 1,2 - |
| (48, 36, 5) (40, 28, 5) |
AMPS -
()
(RCC - reverse control channel)
48 240 240
| - | - | - | 1 | 1 | 1 | 1 | ... | n | n | n | n | n |
30 11 7 36 -
+12 - , 48
30- :
010101010101010101010101010101 ( 0 1)
C 11- :
(DCC - digital color code) 7 . - .
() AMPS
21 400
| - |
10 11 40 - , 400
10- 11- .
.
(--) 28 12 - 40 .
5 - .
"" / "" ( - RCC).
: (21 + 400): 10 = 42 "" / "".
: 10 + 11 + 42 + 400 = 463.
( ) 1,2/ 10,0/.
. MS BTS ( ), 100,0 , (FSK -Frequency-Shift Keying) (, , ).
|
|
|
, , ( - FM -Frequency Modulation).
