of 48
European Customer Services
2
P8088
2.1
Specifications of P8088
General
Function
Specification
Frequency Range GSM
Frequency Range DCS
880-915 MHz TX (with EGSM)
925-960 MHz RX
1710-1785 MHz Tx
1805-1880 MHz Rx
Channel Spacing
200 kHz
Channels
174 GSM/374 DCS carriers with 8 channels per carrier
Modulation
GMSK at BT = 0.3
Transmitter Phase Accuracy
5 Degrees RMS, 20 Degrees peak
Duplex Spacing
45 MHz GSM 95MHz DCS
Frequency Stability
+ 0.10 ppm of the downlink frequency (Rx)
Operating Voltage
Full Rate PSU = 4.4V +/- 5%
(During Charging = VBatt +/-5% 6.63V
Mid Rate Charger = 5.9V +/- 0.3V
CLA Supply = 4.4V
Battery Operating Voltage = 2.85V(Radio Shut Down voltage in
standby) To 4.2V Max
Transmit Current
Typically 250 ma avg, 1.0A peak
Stand-by Current
Typically 7.0 ma (DRX2)
Dimensions
130mm x 46mm x 24.5mm
Size (Volume)
105cc with LSQ6 / with LSQ8
Weight
106g with Batt
Temperature Range
-10C to +55C
Transmitter
Function
Specification
RF Power Output
33 dBm + 2dB GSM/ 30 dBm + 2 dB DCS
Output Impedance
50 ohms (nominal)
Spurious Emissions
-36 dBm from 0.1 to 1 Ghz
-30 dBm from 1 to 4 Ghz
Receiver
Function
Specification
RF Level
-102 dBm GSM, -100dBm DCS
RX bit error rate (100 k bits)
< 2%
Channel Hop Time
500 microseconds
Time to Camp
Approximately 5-10 seconds
Speech Coding
Function
Specification
Speech Coding Type
Regular Pulse Excitation / Linear Predictive Coding with Long
Term Prediction. (RPE LPC with LTP).
Bit Rate
13.0 k bps
Frame Duration
20 ms
Block Length
260 bits
Classes
Class 1 bits = 182 bits. Class 2 bits = 78 bits
Bit Rate with FEC Encoding
22.8 k bps
Содержание P8088
Страница 1: ...P8088 Level 1and 2 Service Manual Ver 1 0 ...
Страница 4: ...of 48 European Customer Services iv P8088 SECTION 1 GENERAL ...
Страница 8: ...of 48 European Customer Services 1 P8088 SECTION 2 P8088 DESCRIPTION ...
Страница 13: ...of 48 European Customer Services 6 P8088 SECTION 3 FEATURE LIST ...
Страница 20: ...of 48 European Customer Services 13 P8088 SECTION 4 DISASSEMBLY PARTS ...
Страница 25: ...of 48 European Customer Services 18 P8088 13 Carefully remove flip from front housing paying attention to flex ...
Страница 28: ...of 48 European Customer Services 21 P8088 SECTION 5 SIM CARDS AND SECURITY ...
Страница 33: ...of 48 European Customer Services 26 P8088 SECTION 6 REPAIR AND TEST PROCEDURES ...
Страница 39: ...of 48 European Customer Services 32 P8088 SECTION 7 ACCESSORIES ...
Страница 41: ...of 48 European Customer Services 34 P8088 SECTION 8 SALES MODELS ...
Страница 43: ...of 48 European Customer Services 36 P8088 SECTION 9 GLOSSARY OF TERMS ...