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LoRa Corecell full-duplex gateway reference designs from Semtech are tailor-made to handle functions working within the U.S. 915-MHz and China 490-MHz ISM bands. Each the SX1302CFD915W1-H (915-MHz) and SX1302CFD490GW1 (490-MHz) reference designs leverage Semtech’s LoRa Core SX1302 digital baseband IC and SX1255/7 RF transceiver.
The reference design information can be found to obtain from the Semtech web site. Whereas analysis kits should not provided for buy, the {hardware} used within the design includes a Corecell board populated with the LoRa Core chips, a duplexer, and a Raspberry Pi. The design helps full-duplex operation with eight uplink channels and one downlink channel.
Utilizing the capabilities of the SX1302 baseband IC, the uplink channels can detect as much as 64 LoRa packets and concurrently demodulate 16 125-kHz LoRa packets with spreading elements between SF5 and SF12. The SX1302 additionally offers one 125/250/500-kHz demodulator for single SF operation and one (G)FSK demodulator for legacy functions.
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The gateway implementation achieves a tenfold discount in energy in comparison with the earlier technology of LoRa baseband ICs. With a discrete energy amplifier and low-noise amplifier, transmit output energy on the antenna port will be as much as +27 dBm. Obtain sensitivity will be as little as -140.8 dBm for the U.S. 915-MHz band and -137.4 dBm for the China 490-MHz band.
To study extra in regards to the LoRa Corecell full-duplex gateway reference designs, learn Semtech’s weblog right here.
SX1302CFD915GW1-H product web page
SX1302CFD490GW1 product web page
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