6809464A5-O
May 19, 2003
9
Level 1 and 2 Service Manual
Specifications
PRELIMINARY
Specifications
General Function
Specification
Frequency Range GSM 900
880-915 MHz Tx (with EGSM)
925-960 MHZ Rx
Frequency Range DCS 1800
1710-1785 MHz Tx
1805-1880 MHz Rx
Channel Spacing
200 kHz
Channels
174 EGSM
Modulation
GMSK at BT = 0.3
Transmitter Phase Accuracy
5 Degrees RMS, 20 Degrees peak
Duplex Spacing
45 MHz
Frequency Stability
± 0.10 ppm of the downlink frequency (Rx)
Operating Voltage
+3.3V dc to +4.2V dc (battery)
5V dc to +6.5 dc (external connector)
Transmit Current
185 - 250 mA average talk current drain
Stand-by Current
Typically 6mA (DRX2),4mA (DXR9)
Dimensions,
105.2 mm x 44.4 mm x 19.5 mm
(4.14 inches X 1.74 inches X.76 inches)
Size (Volume)
75 cc (4.5 in
3
), with 700 mAh battery
Weight
90 gm (2.9 oz), with 700 mAh battery
Temperature Range
-10° C to +55° C (+15° F to +130° F)
Battery Life, 550 Ni Mh Battery
Talk Time 120 to 300 minutes
Standby 110 to 220 hours
Battery Charge Time
3 Hours
Alert Volume
95 dB @ 5 cm
Transmitter Function
Specification
RF Power Output
33 dBm nominal GSM 900, 30 dBm nominal GSM 1800
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
Receive Sensitivity
Better than -103 dBm
RX bit error rate (100k bits) Type II
< 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 kbps
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 kbps
Содержание C200
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