基于Semtech SX1276 LoRa模塊長距離GPS監(jiān)控

Semtech LoRa 長距離無線技術(shù)連接(Ublox NEO-6m )GPS module，設(shè)計用來追蹤 物品運送,人員(老人,小孩),寵物. 可做為防失竊及走失的監(jiān)測感知器.透過藍芽傳送至手機可在 GOOGLE MAP 顯示出位置.

? 核心技術(shù)優(yōu)勢

使用 LoRa 長距離無線技術(shù)可透GPS定位,可實時掌控物品或是人員未置可減少物品移失及人員走失的問題發(fā)生.

? 方案規(guī)格

SX1276(Node)特點:

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

方案來源于大大通。