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SST-900B - RF Modem ( 900 MHz ) with RS-232 / RS-485 by ICP DAS

SST-900B - RF Modem ( 900 MHz ) with RS-232 / RS-485

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Industrial RS-232/485 to 900 MHz Wireless Modem with Operating Temperature of -25C to 75C. Typical Transmission Range is 700 meters. Supports peer to peer and multi-point structure.


Mfg SKU # : SST-900B
List Price : $649.00
Our Price : $637.00
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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.


  • Half-duplex up to 115200 bps
  • Internal Self-Tuner
  • ISM Band 900 MHz
  • Typical wireless transmission range is 1000 meters (LOS)
  • UI Confi guration via external switch
Operating Frequency Range 915 MHz (902 MHz ~ 928 MHz)
Channel Spacing 1.5 MHz
Transmit Power 3 dBm
Number of Channel 16
Transmission Range Typical 700 m, Max. 1 Km
Data Bit Error Rate @ -100 dBm
Type 3 dBi Omni-directional, bendable
Connector Reverse Polarity SMA (RP-SMA) Plug (Male)
Serial Link
Interface RS-232 TxD, RxD, GND
RS-485 D+, D-; internal self-tuner ASIC; Non-isolated
Max. Data Transfer Rate (Half-duplex Mode) 115200 bps
Data Format N, 8, 1 or E, 8, 1
Operating Voltage +10 VDC ~ +30 VDC
Dimensions (W x H x D) 84 mm x 107 mm x 33 mm
Operating Temperature -25 °C ~ +70 °C
Storage Temperature -40 °C ~ +80 °C
Humidity 0 ~ 90% RH, Non-condensing

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