- 型号:Reliance 0-52861-1
- 数量:2
- 制造商: 厦门兴锐达自动化设备有限公司
- 有效期:2019/2/1 0:00:00
瑞恩Reliance 0-52861-1
瑞恩Reliance 0-52861-1
瑞恩Reliance 0-52861-1
近期,LoRa技术犹如雨后春笋迅速在物联网行业广为人知。LoRa成为一个新的亮点,为物联网创新发展带来了新的机遇。
LoRa是通过成熟的无线技术实现机器到机器(M2M)的低功耗、广域网连接以及物联网(IoT)的应用.LoRa技术在物联网领域实现了超远距离传输、低功耗、数据安全等,对物联网行业起到了巨大的牵引作用。
LoRa主要在全球免费频段运行(即非授权频段),包括433、868、915MHz等。在中国,470M~860M频段以前是模拟电视频段,在电视数字化后,原有部分模拟电视频段空闲;中国SRRC将470M~510M频段分配用于水/电/气的无线抄表频段,相当于是受限ISM频段,适于LoRa技术使用。
2015年3月LoRa联盟宣布成立,这是一个开放的、非盈利性组织,其目的在于将LoRa推向全球,实现LoRa技术的商用。该联盟由Semtech牵头,发起成员还有法国Actility,中国AUGTEK和荷兰皇家电信KPN等企业,到目前为止,联盟成员数量达330多家,其中不乏IBM、思科、法国Orange等重量级厂商。
LoRa网络主要由终端(内置LoRa模块)、网关(或称基站)、服务器和云四部分组成,应用数据可双向传输。
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