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2.1 Specifications of T189
General
Function
Frequency Range GSM
Frequency Range DCS
Channel Spacing
Channels
Modulation
Transmitter Phase Accuracy
Duplex Spacing
Frequency Stability
Operating Voltage
Transmit Current
Stand-by Current
Dimensions
Size (Volume)
Weight
Temperature Range
Transmitter
Function
RF Power Output
Output Impedance
Spurious Emissions
Receiver
Function
RF Level
RX bit error rate (100 k bits)
Channel Hop Time
Time to Camp
Speech Coding
Function
Speech Coding Type
Bit Rate
Specification
880-915 MHz TX (with EGSM)
925-960 MHz RX (with EGSM)
1710-1785 MHz Tx
1805-1880 MHz Rx
200 kHz
174 GSM/374 DCS carriers with 8 channels per
carrier
GMSK at BT = 0.3
5 Degrees RMS, 20 Degrees peak
45 MHz GSM / 95MHz DCS
+ 0.10 ppm of the downlink frequency (Rx)
Mid RateCharger: = 5.9V, +/-0.3V
Battery Operating Voltage: 2.85V(Radio Shut
Down voltage)
To 4.2V Max)
Typically 290 mA avg,
Typically 10 mA
108mmx43mmx23.5mm (Leap Slim Battery)
85cc
95g with Battery
-10C to +55C
Specification
33 dBm + 2dB GSM/ 30 dBm + 2 dB DCS
50 ohms (nominal)
-36 dBm from 0.1 to 1 Ghz
-30 dBm from 1 to 4 Ghz
Specification
-102 dBm GSM / -100 dBm DCS
< 2%
500 microseconds
Approximately 5-10 seconds
Specification
Regular Pulse Excitation / Linear Predictive Coding
with Long
Term Prediction. (RPE LPC with LTP).
13.0 k bps
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