Ebyte E27-433M20S Anti-interference 425MHz 433MHz 525MHz Wireless Rf Receiver Module Si4432 Chip SPI RF Module

E27-433M20S Ebyte 425MHz 433MHz 525MHz Wireless Rf Receiver Module S14432 Chip [IC]：SI4432 [Frequency]：425~525MHz [Power]：20dBm [Distance]：1.6km [Interface]：SPI [Product weight]：1.4±0.1g [Introduction]：E27-4333M20S is a 100mW wireless transceiver module, operates at 433MHz,with small-size(1.27 Pin pitch).E27-4333M20S is based on the original imported RF chip Si4432 from Silicon Labs. With diversified built-in antenna and excellent anti-interface performance, the chip supports frequency hopping. RF Parameter Value Remark Working frequency 425~525 MHz Default:  433MHz (30MHz oscillator) Transmitting power 20 dBm Max. Power (100mW) Receiving sensitivity -121 dBm Air data rate: 1.2kbps Air data rate 0.123k~256kbps Default: 1.2kbps Test distance 1.6km In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 1.2kbps Hardware Parameter Value Remark Size 16 * 16 mm Antenna type Stamp hole Com