Microchip ATSAMR30M18A-I/RM100 Module 1GHz, 1.8 → 3.63V

Compact 802.15.4 Sub-GHz module
ATSAMR30E18A SiP with ARM Cortex-M0+ MCU and Sub-GHz transceiver
Integrated Ultra Low Power Transceiver for 700/800/900MHz ISM band
256 KB Flash
16 Input/Output pins
Maximum operating frequency 48 MHz
128-bit Advanced Encryption Standard (AES) crypto engine
32-bit Medium Access Control (MAC) symbol counter
Automatic retransmission modes
Single 1.8V - 3.6V supply
FCC / ETSI compliant RF front end with harmonic filter
Two Serial Communication interface (SERCOM) units left for external applications
High precision 16 MHz crystal oscillator
12-bit, 350 ksps analogue-to-Digital Converter (ADC)
I2C up to 3.4 MHz
Full-speed (12 Mbps) Universal Serial Bus (USB) 2.0 interface
16 External General Purpose Input/Output (GPIO) lines