Other Parts Discussed in Thread: CC2640R2F
My customer use CC2544 + CC2640R2 on HID product. Currently, they meet WiFi interference problem. 1st Attachment includes the details and some experiment tests.
CC2544_CC2640R2_RF Issue .pptx
Besides, we find out even without WiFi interference, CC2640R2 is easy to happen frequency hopping. 2nd attachment include the test example.