M66 R2.0 is a quad-band GSM/GPRS engine that works at frequencies of GSM850MHz, EGSM900MHz, DCS1800MHz and PCS1900MHz. It features GPRS multi-slot class 12 and supports the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4.
Difference B/W M66 R2.0 and M66 R1.0
M66 R2.0 does NOT support BT 3.0 while M66 R1.0 supports it.
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.
SLEEP mode: 1.3 mA@DRX=5, 1.2 mA@DRX=9
Quad-band: GSM850, EGSM900, DCS1800, PCS1900
3.3V ~ 4.6V Typical supply voltage: 4V
Text and PDU mode, SMS storage: (U)SIM card
Support SIM card: 1.8V, 3V
Speech codec modes: Half Rate (ETS 06.20) Full Rate (ETS 06.10); Enhanced Full Rate (ETS 06.50/06.60/06.80); Adaptive Multi-Rate (AMR); Echo Suppression; Noise Reduction
SM, ME, ON, MC, RC, DC, LD, LA
Size: 15.8 ×17.7 ×2.3 mm, Weight: 1.3g
Seven lines on UART port interface
Connected to antenna pad with 50 Ohm impedance control
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.