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SST-900B
900 MHz RS-232/RS-485 Wireless Modem
 
     
  • Half-duplex up to 115200 bps
  • Internal Self-Tuner
  • ISM Band 900 MHz
  • Typical wireless transmission range is 700 meters (LOS)
  • UI Configuration via external switch
   
Model: SST-900B    
 
The SST-900B is a radio frequency modem with an RS-232/RS-485 interface port and is designed for data acquisition and control applications between a host and remote sensors. It is also useful for those applications where the installation of cable wire is inconvenient.
The SST-900B module is a wireless module that works in a frequency range of 902-928 MHz, and includes adjustable 16 RF channels and each channel can be allocated one of sixteen group IDs. The SST-900B can be used not only in peer-to-peer mode but also in a multi-point structure.
 
 
Wireless
Operating Frequency Range 915 MHz (902 MHz ~ 928 MHz)
Channel Spacing 1.5 MHz
Transmit Power Up to 20 dBm
Number of Channel 16
Transmission Range 700 m
Receive Sensitivity -100 dBm @ 150k bps
Antenna
Type 3 dBi Omni-directional, bendable
Connector Reverse Polarity SMA (RP-SMA) Plug (Male)
Com 0 Settings
Interface RS-232 TxD, RxD, GND
RS-485 DATA+, DATA-; internal self-tuner ASIC; Non-isolated
Baud Rate 1200 ~ 115200 bps
Data Bit 8
Parity Check None, Even , Odd
Stop Bit 1
Power
Operating Voltage +10 VDC ~ +30 VDC
Mechanical
Dimensions (W x L x H) 84 mm x 108 mm x 33 mm
Environment
Operating Temperature -25 °C ~ +70 °C
Storage Temperature -40 °C ~ +80 °C
Humidity 0 ~ 90% RH, Non-condensing
 
SST-900B 900 MHz RS-232/RS-485 Wireless Modem
*Asia Only.
 
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