M66 R2.0 does NOT support UART GNSS while M66 R1.0 supports it.
M66 R2.0 does NOT support OpenCPU while M66 R1.0 supports it.
M66 R2.0 does NOT support SD card and UFS functions while M66 R1.0 supports them.
All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.