https://www.lcsc.com/category/560.html
RF Transceiver Modules and Modems | Electronic Components Distributor | LCSC Electronics
Discover RF Transceiver Modules and Modems products in RF and Wireless at LCSC Electronics. More choices from Asian Domestic Alternatives included.
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https://www.jrhelectronics.com/en-us/products/rf-and-wireless/rf-transceiver-modules-and-modems/
RF Transceiver Modules and Modems | RF and Wireless | JRH Electronics, LLC
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https://www.cdebyte.com/Module-SPISOCUART-ASR
ASR6505/ASR6601 RF transceiver modules
E78 series are RF transceiver modules by Chengdu Ebyte, with long communication distances and extremely low power mode current consumption.
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