M66 is a Quad-band GSM/GPRS engine that works at frequencies of GSM850MHz, EGSM900MHz, DCS1800MHz and PCS1900MHz. The M66 features GPRS multi-slot class 12 and supports the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4.
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.