Smart city and communication network concept. 5G. LPWA (Low Power Wide Area). Wireless communication.
ID: 1537921178
以图搜图
- 大图:5464 × 2867 像素·46.26 cm × 24.27 cm·300dpi·JPG
- 中图:1000 × 525 像素·35.28 cm × 18.52 cm·72dpi·JPG
- 小图:500 × 263 像素·17.64 cm × 9.28 cm·72dpi·JPG