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P7689 / P7789
2.1
Specifications of P7689
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
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
Frame Duration
Block Length
Classes
Bit Rate with FEC Encoding
9
of 59
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 GSM/374 DCS carriers with 8 channels per carrier
GMSK at BT = 0.3
5 Degrees RMS, 20 Degrees peak
45 MHz GSM
+ 0.10 ppm of the downlink frequency (Rx)
Full Rate PSU = 4.4V +/- 5%
(During Charging = VBatt +/-5% 6.63V
Mid Rate Charger = 5.9V +/- 0.3V
CLA Supply = 4.4V
Battery Operating Voltage = 2.85V(Radio Shut Down voltage)
To 4.2V Max
Typically 250 ma avg, 1.0A peak
Typically 7.0 ma (DRX2)
130mm x 46mm x 23 mm (max. Thk.)
97 cc with Dao 550 mAh LiO Battery
102.9g with Dao 550 mAh LiO 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
< 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
20 ms
260 bits
Class 1 bits = 182 bits. Class 2 bits = 78 bits
22.8 k bps
GSM Field Service Support
95MHz DCS
80MHz PCS
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