Motorola C261 TracFone Manual de serviço - Página 8
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Specifications (C257/C261)
RF Power Output
Output Impedance
Spurious Emissions
Receiver Sensitivity
RX Bit Error Rate (100K bits) type II
Channel Hop Time
Time to Camp
Speech Coding Type
Bit Rate
Frame Duration
Block Length
Classes
Bit Rate with FEC Encoding
8
Transmitter Functions
Receiver Functions
Speech Coding Functions
Specification
32.5 dBm nominal GSM900
30 dBm nominal DCS1800
32.5 dBm nominal GSM850
29.5 dBm nominal PCS1900
50 ohm (TYP)
-36 dBm from 0.1 to 1GHz,
-30 dBm from 1 to 4GHz
Specification
-107 dBm GSM 850/GSM900
-106 dBm DCS1800/PCS1900
<2%
500 microseconds
Approximately 6~10 Second
Specification
Regular pulse excitation/linear predictive
coding with long term prediction (PRE
LPC with LTP)
13.0 Kbps
20 ms
260 bits
Class 1 bits =182 bits;
Class 2 bits = 78 bits
22.8 Kbps
July 1, 2005
C257/C261