Motorola service manual Specifications of M3588

Models: M3588

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M3588

2.1Specifications of M3588

General

Function

Specification

 

 

 

Frequency Range GSM

880-915 MHz TX (with EGSM)

 

925-960 MHz RX

 

Frequency Range DCS

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

+4.0V dc to +6.0V dc (battery)

 

+6.7V dc to +8.6V dc (external connector)

Transmit Current

Typically 250 ma avg, 1.0A peak

Stand-by Current

Typically 7.0 ma (DRX2)

Dimensions

140mm X 50mm X 25mm

Size (Volume)

155 cc

 

Weight

168 g

 

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

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

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Motorola service manual Specifications of M3588