Features

• Frequency bands: 150-174 MHz, 300-348

MHz, 387-470 MHz, 779-956 MHz

• Modulation schemes: 2-FSK, GFSK, MSK,

GMSK, OOK, and ASK

• Air data rate from 1 to 500 kbps

• Very low power consumption (21 mA TX at +11

dBm)

• Programmable channel spacing (12.5 kHz

min.)

• Programmable output power up to +16 dBm

• Fast startup and frequency synthesizer settling

time (6 µs)

• Integrated temperature sensor

• Battery indicator and low battery detector

• TX FIFO buffer (96 bytes each)

• Configurability via SPI interface

• AES 128-bit encryption co-processor

• Fully integrated ultra low power RC oscillator

• Wakeup on internal timer and on external event

• Flexible packet length with dynamic payload

length

• Automatic CRC handling

• FEC with interleaving

• Whitening of data

• Wireless M-BUS, EN 300 220, FCC CFR47 15

(15.205, 15.209, 15.231, 15.247, 15.249), and

ARIB STD T-67, T93, T-108 compliant

• QFN20 4x4 mm RoHS package

• Operating temperature range from -40 °C to

85 °C

Applications

• AMR (automatic meter reading)

• Home and building automation

• WSN (wireless sensors network)

• Industrial monitoring and control

• Wireless fire and security alarm systems

• Point-to-point wireless link