Motorola T189, Руководство по обслуживанию

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2.1 Specifications of T189
General
Function
Specification
Frequency Range GSM
Frequency Range DCS
880-915 MHz TX (with EGSM)
925-960 MHz RX (with EGSM)
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 Mid RateCharger: = 5.9V, +/-0.3V
Battery Operating Voltage: 2.85V(Radio Shut
Down voltage)
To 4.2V Max)
Transmit Current Typically 290 mA avg,
Stand-by Current Typically 10 mA
Dimensions 108mmx43mmx23.5mm (Leap Slim Battery)
Size (Volume) 85cc
Weight 95g with Battery
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 / -100 dBm 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