توضیحات
ماژول RFM96W LORA TRANSCEIVER 433MHZ:
RFM9xW 433/868/915MHz ISM LoRa Transceivers, HopeRF
The RFM9xW Transceiver Modules feature the Semtech SX1272 transceiver chip which uses a variation of Chirp Spread Spectrum coding called LoRa™, to improve receiver sensitivity and hence achieve extended range. The module can also use OOK and FSK modulation schemes to maintain compatibility with other standards such as IEEE 802.15.4 and wMBUS. LoRa features increased interference immunity over conventional FSK providing an enhanced coexistence capability in crowded channels.
Module Features:
• RF Frequency Range: 433/868/915MHz ISM Band
• Channel bandwidth: 125kHz, 250kHz or 500kHz
• RF Power Output: up to +20dBm
• Receiver Sensitivity: -119dBm @ 1.2kbps (FSK), -148dBm @ 18bps (LoRa, SF=12, CR=4/6)
• Modulation: LoRa™, FSK, GFSK, MSK, GMSK or OOK
• OTA Data Rate: up to 250kbps (FSK), up to 37.5kbps (LoRa)
• Range: up to 15km (Line of Sight)
• Packet engine up to 256 bytes with CRC
• Forward Error Correction (FEC) with selectable Coding Rate
• 127dB dynamic range RSSI
• Host communication: serial SPI
• Temperature sensor and low-battery indicator
• Power supply: +1.8V to +3.6Vdc
• Operating temperature range: -20 to +70°C
• Dimensions 16 x 16mm
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