SI4432-B1-FM Wireless & RF Integrated Circuits RF Transceiver

 Frequency Range 

240–930 MHz (Si4431/32)

900–960 MHz (Si4430)

 Sensitivity = –121 dBm

 Output power range

+20 dBm Max (Si4432)

+13 dBm Max (Si4430/31)

 Low Power Consumption

18.5 mA receive

30 mA @ +13 dBm transmit

85 mA @ +20 dBm transmit

 Data Rate = 0.123 to 256 kbps

 FSK, GFSK, and OOK modulation

 Power Supply = 1.8 to 3.6 V  Ultra low power shutdown mode

 Digital RSSI

 Wake-up timer

 Auto-frequency calibration (AFC)

 Power-on-reset (POR)

 Antenna diversity and TR switch control

 Configurable packet handler

 Preamble detector

 TX and RX 64 byte FIFOs

 Low battery detector

 Temperature sensor and 8-bit ADC

 –40 to +85 °C temperature range

 Integrated voltage regulators

 Frequency hopping capability

 On-chip crystal tuning

Founded in 2004, Walton Electronics CO.,LTD is a scaled and professional independent distributor of electronic components in Shenzhen , China. Committed to the world's leading brands of electronic components distribution integration services, mainly engaged in active components , integrated circuit chips.

We provide products and services in all areas of the electronics industry, including: automotive, medical, consumer electronics, industrial control, Internet of Things, new energy,communications, military and so on.