Rf Flasher Utility Site
The utility cannot communicate with the chip. Verify the TX and RX lines are crossed (TX connects to RX, RX connects to TX). Ensure the device is properly powered.
Texas Instruments produces widely used RF chips for Zigbee, Z-Wave, and Sub-1 GHz communications (such as the CC2531, CC2652, and CC1352). Flash Programmer 2 or UniFlash . rf flasher utility