S2-LP
Datasheet
Ultra-low power, high performance, sub-1 GHz transceiver
Features
•
Frequency bands:
–
–
–
–
413-479 MHz (S2-LPQTR)
452-527 MHz (S2-LPCBQTR)
826-958 MHz (S2-LPQTR)
904-1055 MHz (S2-LPCBQTR)
•
Modulation schemes:
–
–
2(G)FSK, 4(G)FSK
OOK, ASK
•
•
Air data rate from 0.1 to 500 kbps
Ultra-low power consumption:
–
–
7 mA RX
Maturity status link
10 mA TX @ +10 dBm
S2-LP
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Excellent performance of receiver sensitivity: down to -130 dBm
Excellent receiver selectivity and blocking
Programmable RF output power up to +16 dBm
Programmable RX digital filter
Programmable channel spacing
Fast start-up and frequency synthesizer settling time
Automatic frequency offset compensation, AGC and symbol timing recovery
More than 145 dB RF link budget
Battery indicator and low battery detector
RX and TX 128 bytes FIFO buffers
4-wire SPI interface
Automatic packet acknowledgment and retransmission
Embedded timeout protocol engine
Excellent receiver selectivity (> 80 dB @ 2 MHz)
ST companion integrated balun/filter chips are available
Antenna diversity algorithm
Fully integrated ultra-low power RC oscillator
Wake-up driven by internal timer or external event
Digital real time RSSI
Flexible packet length with dynamic payload length
Programmable preamble and SYNC word quality filtering and detection
Embedded CSMA/CA engine based on listen-before-talk systems
IEEE 802.15.4g hardware packet support with whitening, FEC, CRC and dual
SYNC word detection
•
•
•
Wireless M-BUS supported
KNX-RF supported
Enables operations in the SIGFOX™ and MONARCH networks
DS11896 - Rev 11 - March 2023
www.st.com
For further information contact your local STMicroelectronics sales office.