NB-IoT則很好的解決了GPRS抄表方案所面臨的難題。NB-IoT抄表在功能上繼承了GPRS的同時,比起2G/3G/4G有了50-100倍的上行容量提升,這也就意味著,在同一基站覆蓋范圍下,NB-IoT可比現(xiàn)有無線技術(shù)提供50-100倍的接入數(shù)。這對于裝表量比較密集的小區(qū)無疑是一個更好的選擇。
基于NB-IoT的智能抄表系統(tǒng)主要由帶有NB-IoT模塊的水氣表、基站、NB-IoT核心網(wǎng)、NB-IoT管理平臺、客戶端網(wǎng)絡(luò)管理系統(tǒng)、集抄管理系統(tǒng)等構(gòu)成。水氣表將采集的水氣用量信息和自身狀態(tài)信息上傳至NB-IoT核心網(wǎng)和物聯(lián)網(wǎng)云平臺,同時也可以接收來自云平臺的控制信息??蛻舳司W(wǎng)絡(luò)管理系統(tǒng)從NB-IoT管理云平臺獲取抄收到的居民用水/氣信息,監(jiān)控各居民的實時使用情況,水氣公司通過監(jiān)測到的數(shù)據(jù),可對用戶的用水、氣進行實時階梯調(diào)價控制,向居民推送每月的使用量和扣費等情況。
隨著工業(yè)化進程的發(fā)展,當今市場對工業(yè)級連接器的需求愈加旺盛,要求也日趨嚴苛,標準化的產(chǎn)品早已無法滿足客戶以及行業(yè)應(yīng)用的需求。作為專注于精密連接器73年的組裝分銷商——倍捷連接器(PEI-Genesis,簡稱:倍捷。注:創(chuàng)立初期也叫費城電子)又是如何應(yīng)對的呢?近日,倍捷在京召開了媒體交流會,不僅在交流中給出了答案,也介紹了其獨特的商業(yè)模式,文化價值觀,以及對亞太市場的規(guī)劃。
IDEC APW199-G-12V NSPP APW199G12V
IDEC APW1126A NSFP APW1126A
NXP SEMICONDUCTOR 74LVC4245APW FNFP 74LVC4245APW
TEXAS INSTRUMENTS SEMI SN74ABT244APW FNFP SN74ABT244APW
IDEC APW299E-G-120V NSFP APW299EG120V
IDEC APW2LU-A NSPP APW2LU-A
IDEC APW199D-G-120V USPP APW199DG120V
IDEC APW199DY USPP APW199DY
APW MCLEAN TEG10 NSPP TEG10
APW MCLEAN TEG10 USPP TEG10
IDEC APW299D-S-24V NSPP APW299DS24V
IDEC APW-299D-R-120V NSPP APW299DR120V
TEXAS INSTRUMENTS SEMI SN74LVCC3245APW FNFP SN74LVCC3245APW
IDEC APW-199R24V USPP APW199R24V
IDEC APW299D-A-24V USPP APW299DA24V
IDEC APW299D-Y-24V NSFP APW299DY24V
IDEC APW299D-Y-24V USPP APW299DY24V
IDEC APW1126S USPP APW1126S
IDEC APW-199 NSFP APW199
IDEC APW-199 NSPP APW199
IDEC APW-199 USPP APW199
IDEC APW199D-A-120V NSFP APW199DA120V
IDEC APW199D-A-120V NSPP APW199DA120V
IDEC APW199D-A-120V USPP APW199DA120V
IDEC APW199D-G-120V NSFP APW199DG120V
IDEC APW199D-G-24V NSFP APW199DG24V
IDEC APW199D-G-24V USPP APW199DG24V
IDEC APW199D-R-120V NSFP APW199DR120V
IDEC APW199D-R-120V NSPP APW199DR120V
IDEC APW199D-R-120V USPP APW199DR120V
IDEC APW199D-R-24V NSFP APW199DR24V
IDEC APW199D-R-24V USPP APW199DR24V
IDEC APW199D-S-24V NSFP APW199DS24V
IDEC APW199D-W-120V NSFP APW199DW120V
IDEC APW199D-W-120V USPP APW199DW120V
IDEC APW199-G-120V NSFP APW199G120V
IDEC APW199-G-120V USPP APW199G120V
IDEC APW2126G USPP APW2126G
IDEC APW299D-G-120V NSFP APW299DG120V
IDEC APW299D-G-120V NSPP APW299DG120V
IDEC APW299D-G-120V USPP APW299DG120V
IDEC APW-299D-R-120V NSFP APW299DR120V
IDEC APW-299D-R-120V USPP APW299DR120V
IDEC APW299D-W-120V NSFP APW299DW120V
IDEC APW299D-W-120V USPP APW299DW120V
IDEC APW2LD-G NSFP APW2LDG
IDEC APW299-E-R-120V NSPP APW299ER120V
IDEC APW299-E-R-24V NSPP APW299ER24V
IDEC APW299DW6V USPP APW299DW6V
IDEC APW1126D-A NSFP APW1126DA
IDEC APW1126D-A USPP APW1126DA
TEXAS INSTRUMENTS SEMI SN74LVCC4245APW FNFP SN74LVCC4245APW
TEXAS INSTRUMENTS SEMI SN74ABT240APW FNFP SN74ABT240APW
APW International GM8001 Axle Shaft New Left
APW International TO8205 Axle Shaft New Left
APW International GM8065 Axle Shaft New Left
APW International NI8026A Axle Shaft New Right
APW International NI8042 Axle Shaft New Right