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ICP DAS USA SST-2450 Manuel D’Utilisation

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SST-2450 Wireless Modem User’s Manual
 Ver1.5
, Feb /2003, OMH-030-10,
 ---4
 
2. 
Specifications 
Frequency Range:
   
2.4GHz (2410.496MHz~2471.936MHz)   
Channel Spacing:
 
 
4.096MHz
   
Output Power:   
0.1W 
Transmit power :   
19dBm 土 1dBm
 
 
Modulation technique:
   
GMSK
 
 
Radio technique: 
  Direct sequence spread spectrum
   
Duplex Mode:   
TDD (for Full-duplex)   
Number of channels:   
16
 
 
Number of PN codes:  
16 
PN code rate:
   
1.365 Mchips /sec.   
Interface:
 RS-232/RS-485 
Communication range: 
Dependent upon  the external antenna (the default is 300M) 
Maximum data transfer rate in asynchronous mode: 
 
Full-duplex mode: 9.6Kbps; Half-duplex mode: 28.2Kbps   
Maximum data transfer rate in synchronous mode:   
Full-duplex mode: 19.2Kbps; Half-duplex mode: 57.6Kbps
 
Setting Method: 
  Software utility
 
Antenna type:  
Flexible
 
Data Format: 
  N, 8,1 or E, 8,1 dependent upon the software setting
 
Data bit error rate
è 
AFTER DSST PROCESSING: 
BER of RF Module： < 1/1000 @ -90 土 2dBm 
Processing Gain：~12dB   
Input voltage: 
10~30V DC   
Input current: 
250mA
 (
Typical)
 
Power Consumption:
 
1.5W
 
Size: 
121.5mm (L) x 72mm (W) x 33mm (H) 
 
Weight: 
200g
   
Operating temperature range: 
0~50C
   
Operating humidity range: 
0~90%
 
 
  SST-2450 can work together with SST-2400 (however the 8051 chip in 
the SST-2400 must be changed).