Spread Spectrum Freq hopping USB RF modem


Since I mentioned Sparkfun electronics in the parts finding how-to, I started poking around their forums and stumbled across this interesting USB RF modem. It uses an off the shelf Semtec DP1205 RF module that’s controlled by a PIC 18F2550. The really interesting thing is that it uses spread spectrum frequency hopping – which means that by FCC rules, it can transmit up to 1 watt at 900Mhz.

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