si4432 digital transmission module (spring antenna)

Product description
1, the frequency range: 410-440M (antenna match the best range, and the domestic free ISM band) 2, the sensitivity: up to -120 ~ -121dBm (1.2Kbps) 3, the maximum wireless transmission power output: 20 ~ 20.5dBm (1.2Kbps, 433M) 4, the data transfer rate: 0.123-256kbps 5, modulation mode: FSK, GFSK and OOK 6, power supply: 1.8-3.6 V 7, ultra-low power consumption in the power mode is 10nA (4.21ms), in standby mode 300nA, sleep mode 600nA (1.21ms); receive current 18.5mA, the maximum emission current 80mA (200us). 8, digital received signal strength indicator (RSSI) 9, the timer wake-up function, wireless wake-up function (WUT) 10, antenna automatic matching and two-way switch control 11, can be configured packet structure 12, pre-sync signal detection 13, 64 bytes send and receive data register (FIFO) 14, on-chip integrated low battery power detection 15, on-chip temperature sensor and 8-bit analog-to-digital converter 16, the operating temperature range: -40 ~ +80 ° C (temperature characteristics and product consistency is much better!) 17, integrated voltage regulator 18, frequency hopping function 19, power on reset function 20, built-in crystal error adjustment function 21, the chip automatically calculates and verifies CRC-16, and supports three 16-bit CRC polynomials 22, up to 4 bytes of the head can be used in the receiver to use the header filter, so you can set by address to receive!