Specifications - Motorola Timeport 280 Service Manual

Level III Service Manual

Specifications

General Function
Frequency Range GSM
Frequency Range DCS
Frequency Range PCS
Channel Spacing
Channels
Modulation
Transmitter Phase Accuracy
Duplex Spacing
Frequency Stability
Operating Voltage
Transmit Current
Stand-by Current
Dimensions, with 500 mAh LI Ion batt
Size (Volume)
Weight
Temperature Range
Battery Life, 500 mAh LI Ion Battery
Battery Life, 800 mAh LI Ion Battery
Transmitter Function
RF Power Output
Output Impedance
Spurious Emissions
Receiver Function
Receive Sensitivity
RX bit error rate (100k bits) Type II
Channel Hop Time
Time to Camp
Speech Coding Function
Speech Coding Type
Bit Rate
Frame Duration
Block Length
Classes
Bit Rate with FEC Encoding
6881038B15
Specification
880-915 MHz Tx (with EGSM)
925-960 MHZ Rx
1710-1785 MHz Tx
1805-1880 MHz Rx
1850.2-1909.8 MHz Tx
1930.2-1989.8 MHz Rx
200 kHz
174 EGSM, 374 DCS, 274 PCS carriers with 8 ch. per carrier
GMSK at BT = 0.3
5 Degrees RMS, 20 Degrees peak
45 MHz GSM, 95 MHz DCS, 80 MHz PCS
± 0.10 ppm of the downlink frequency (Rx)
+3.0V dc to +5.1V dc (battery)
+4.4V dc to +6.5V dc (external connector)
185 - 250 mA average talk current drain
Typically 4.95 mA (DRX2), 3 mA (DXR9)
49 mm x 24 mm x 125 mm (1.9 inches X 0.9 inches X 4.8
inches)
3
98.5 cc (5.9 in ), with 500 mAh battery
3
104.5 cc (6.3 in ), with 800 mAh battery
109 gm (3.9 oz), with 500 mAh battery
119 gm (4.2 oz), with 800 mAh battery
-10° C to +55° C (+15° F to +130° F)
Talk Time 120 to 162 minutes
Standby 96 to 158 hours
Talk Time 192 to 259 minutes
Standby 153 to 253 hours
Specification
33 dBm nominal GSM, 30 dBm nominal DCS / PCS
50 ohms nominal
-36 dBm from 0.1 to 1 GHz, -30 dBm from 1 to 4 GHz
Specification
Better than -105 dBm GSM / DCS / PCS
< 2%
500 microseconds
Approximately 5-10 seconds
Specification
Regular pulse excitation / linear predictive coding with long
term prediction (RPE LPC with LTP)
13.0 kbps
20 ms
260 bits
Class 1 bits = 182 bits; Class 2 bits = 78 bits
22.8 kbps
May 14, 2001
Specifications
5