基于Semtech SX1276 LoRa模块长距离GPS监控

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。