RFM98W-433S2R: 433MHz LoRa module   Part#: HopeRF RFM98W-433S2R   [ Sẵn hàng: 228 pcs ]   Giá (chưa VAT): 200.000đ   Ghi chú: module LoRa   Nhãn hiệu: HopeRF (Trung Quốc/ China)   Cấu hình: LoRa module, 433MHz, SPI, -148dBm / +20dBm, FSK, 3.3v; Semtech SX1278 Lora chip   Package: Lora RF Transceiver module   [ Tài liệu ]   [ Báo giá ]   [ Shopping ]   [ Views: 3766 ]   2024-08-22  ◊ Đặc điểm chính: Descriptions The  RFM98W transceivers  feature  the  LoRaTM  long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption. Using Hope RF’s patented LoRaTM modulation technique RFM98W can achieve a sensitivity of over -148dBm using a low cost crystal and bill of materials. The high sensitivity combined with the integrated +20 dBm power amplifier yields  industry  leading  link  budget  making  it optimal for any application requiring range or robustness. LoRaTM also provides significant advantages in both blocking and selectivity over conventional modulation techniques, solving the traditional design compromise between range, interference immunity and energy consumption. These devices also support high performance (G)FSK modes for systems including WMBus, IEEE802.15.4g. The RFM98W deliver exceptional phase noise, selectivity, receiver linearity  and  IIP3  for  significantly lower  current consumption than competing devices.

● LoRa^TM Modem.

● 168 dB maximum link budget.

● +20 dBm - 100 mW constant RF output vs. V supply.

● +14 dBm high efficiency PA.

● Programmable bit rate up to 300 kbps.

● High sensitivity: down to -148 dBm.

● Bullet-proof front end: IIP3 = -12.5 dBm.

● Excellent blocking immunity.

● Low RX current of 10.3 mA, 200 nA register retention.

● Fully integrated synthesizer with a resolution of 61 Hz.

● FSK, GFSK, MSK, GMSK, LoRa^TM and OOK modulation.

● Built-in bit synchronizer for clock recovery.

● Preamble detection.

● 127 dB Dynamic Range RSSI.

● Automatic RF Sense and CAD with ultra-fast AFC.

● Packet engine up to 256 bytes with CRC.

● Built-in temperature sensor and low battery indicator.

● Modue Size：16*16mm

● Automated Meter Reading.

● Home and Building Automation.

● Wireless Alarm and Security Systems.

● Industrial Monitoring and Control

● Long range Irrigation Systems

 

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