RFM69HCW are built-in by SX1231 which is ISM Free band  transceiver module capable of operation over a wide frequency range, including the 433MHz,868MHz and 915MHz.

RFM69HCW are built-in by SX1231H which is ISM Free band  transceiver module capable of operation over a wide frequency range, including the 433MHz,868MHz and 915MHz.

RFM69HW are built-in by SX1231 which is ISM Free band  transceiver module capable of operation over a wide frequency range, including the 433MHz,868MHz and 915MHz.

RFM69W are built-in by SX1231 which is ISM Free band MAX power output 13dBm  transceiver module capable of operation over a wide frequency range, including the 433MHz,868MHz and 915MHz.

The RFM95W  transceivers with 868 MHz and 915 MHz feature the LoRa TM long range rf module which core chipset are the semtech Sx1276 LoRa chipset good for building the for IoT end sensor nodes.

DWM-N419 Semtech SX1272 Lora SPI Transeiver Module with Small size SMD package and support 868MHz and 915MHz LoRa transceiver wilreless module.