基于Semtech SX1276 LoRa模块长距离GPS监控-电路方案

Semtech LoRa 长距离无线技术连接(Ublox NEO-6m )GPS module，设计用来追踪 物品运送,人员(老人,小孩),宠物. 可做为防失窃及走失的监测感知器.透过蓝芽传送至手机可在 GOOGLE MAP 显示出位置. ► 核心技术优势 使用 LoRa 长距离无线技术可透GPS定位,可实时掌控物品或是人员未置可减少物品移失及人员走失的问题发生. ► 方案规格 SX1276(Node)特点: LoRaTM 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 = -11 dBm Excellent blocking immunity Low RX current of 9.9 mA, 200 nA register retention Fully integrated synthesizer with a resolution of 61 Hz FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulatio 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 方案来源于大大通。