مشخصات

• ماژول گیرنده و فرستنده بیسیم با برد 1000 متری SI4432
• اندازه کوچک 16.5*17 میلیمتری
• باند عملیاتی آزاد ISM
• مدولاسیون FSK، GFSK و OOK
• با ارتباط سریال چهارسیمه (SPI) - ورودی خروجی GPIO و ADC

Specification
an optional module frequency: 315M / 470M / 868M / 915M
sensitivity: up to -120 ~ -121dBm (1.2Kbps)
the wireless transmitter maximum output power: 20dBm (1.2Kbps, 433M)
the data transfer rate: 0.123-256kbps
modulation mode: FSK, GFSK and OOK
power supply: 1.8-3.6 V
low consumption in power-down mode is 10nA (4.21ms), in the standby mode 300nA, sleep mode 600nA (1.21ms); receiving current 18.5mA, the maximum emission current 80mA (200us)
the digital received signal strength indicator (RSSI)
timed wake-up function, wireless wake-up function (WUT)
the antenna automatically match and two-way switch control
configurable packet structure
preamble detection
64-byte transmit and receive data register (FIFO)
on-chip integrated low battery detection
on-chip temperature sensor and 8-bit analog to digital converter
the working temperature range: -40 ~ + 80°C (temperature characteristics and product consistency is much better!)
The integrated voltage regulator
frequency hopping
power-on reset function built-in crystal error adjustment function
the chip automatically calculate and check CRC-16, and supports three 16-bit CRC polynomial
up to 4-byte frame header is available, the receiver using frame head filter, so you can set up to receive press addres