General Information
MPT1327 is a Signaling Standard for Trunked Private Land Line Mobile Radio Systems, issued by the British Radio communication Agency.
Usage:
§ Mobile voice and data communication.
Mode Details
|
|
Item |
Value |
|
Standard |
Modulation |
FFSK |
|
|
Number of channels |
1 + 1024 |
|
|
Bandwidth (Hz) |
12500 |
|
|
Symbol rate (Bd) |
1200 |
|
|
Coding |
CRC |
|
Demodulator Settings |
Demodulator |
(G)MSK |
|
|
Type |
MSK |
|
|
Symbol rate (Bd) |
1200 |
|
|
SR tolerance (Bd) |
5 |
|
|
Min. burst length (s) |
0.010 |
|
|
Max. burst length (s) |
60.000 |
|
|
Min. pause length (s) |
0.010 |
|
Features |
Demodulation |
yes |
|
|
Recognition |
yes |
|
|
Decoding |
yes |
|
|
Automatic Polarity Adjustment |
no |
|
|
Combination with other modems (modem list) |
yes |
|
Restriction
|
This decoder processes data on the TSC (Trunking System Controller) level only, not on the RU (Radio Unit) level. |
|
|
Tuning |
The tuning frequency is 1500 Hz above the low end of the signal’s frequency range | |
Table 17: MPT1327
Figure 15: MPT1327 Spectrogram