Smart city and communication network concept. 5G. LPWA (Low Power Wide Area). Wireless communication.
ID: 1608665674
以图搜图
- 大图:7952 × 4239 像素·67.33 cm × 35.89 cm·300dpi·JPG
- 中图:1000 × 533 像素·35.28 cm × 18.8 cm·72dpi·JPG
- 小图:500 × 267 像素·17.64 cm × 9.42 cm·72dpi·JPG