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 10 mA TX +10 dBm 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 Maturity status link Battery indicator and low battery detector S2-LP 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 9 - September 2021 www.st.com For further information contact your local STMicroelectronics sales office.S2-LP Suitable to build systems targeting: Europe: ETSI EN 300 220, category 1.5 natively compliant, ETSI EN 303 131 US: FCC part 15 and part 90 Japan: ARIB STD T67, T108 China: SRRC Operating temperature range: -40 C to +105 C Applications Sensors to Cloud Smart metering Home energy management systems Wireless alarm systems Smart home Building automation Industrial monitoring and control Smart lighting systems DS11896 - Rev 9 page 2/89