GFSK90 915-MHz ISM Radio
902-928 MHz Programmable Radio
GFSK90 915MHz ISM Radio module designed for Industrial, Scientific, Medical and Home automation communications. This low cost communication module supports frequency-hopping spread-spectrum (FHSS) and supports wireless remote control, automated meter reading (metering) and sensing applications.
The 915-MHz ISM Band (902-928 MHz) is assigned to Industrial, Scientific, and Medical research and development in the US. According to FCC Part 15 there are no restrictions to the application or the duty cycle and affords for higher EIRP wave transmissions. Given the lack restrictions combined with higher transmissions power this band has become very popular for unlicensed short range applications which now include highway toll center monitoring, automated meter reading (metering), weather data collection systems, Home Automation, and industrial sensing/monitoring applications.
The GFSK90 ISM Radio shown in the image above is our RS485 enabled version which supports master, slave device addressability and supports 2 Analog, 2 Digital IOs or 1 Analog and 1 Digital IO.
FCC Section 15.249
FCC section 15.249 allows 50 mV/m of electrical field strength at 3 meters distance in the frequency band of 902-928 MHz. This corresponds to an EIRP of -1.23 dBm.
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