V8088 – Motorola V8088 User Manual
Page 9

V8088
2.1
Specifications of V8088
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
3.9V dc to +6.0Vdc (Batt)
Transmit Current
Typically 200ma avg, 1.0A peak
Stand-by Current
Typically 10 ma (DRX2) GSM
Typically 6mA DCX 2 4mA at DCX9 DCS
Dimensions
83mm x 50mm x 24.8mm
Size (Volume)
71 cc
Weight
79g with 600mAh Battery
Temperature Range
-20C to +55C GSM / -25C to +55C DCS
Transmitter
Function
Specification
RF Power Output
32 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 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