Smart city and communication network concept. 5G. LPWA (Low Power Wide Area). Wireless communication.
ID: 1616680045
以图搜图
- 大图:9504 × 4006 像素·80.47 cm × 33.92 cm·300dpi·JPG
- 中图:1000 × 422 像素·35.28 cm × 14.89 cm·72dpi·JPG
- 小图:500 × 211 像素·17.64 cm × 7.44 cm·72dpi·JPG