ICP DAS USA SST-2450 Manual Do Utilizador
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).