1. 15
1

2. "
900
15 30
30%
"
1
15 2557
900 MHz
2558
"
900 MHz

3. 30
1800 MHz 900
" 2100 MHz
3G 5 5
Line 2-3
4G LTE
" 3G 2100 MHz 30
2100 MHz 900
MHz 2-3 1800 MHz
2100 MHz 2 Call Transit
MNP (
29
3G 2100 MHz 10
1 2 6 2
2300 MHz
1800 MHz 25 MHz

4. "
http://hitech.sanook.com/