Smart city and communication network concept. 5G. LPWA (Low Power Wide Area). Wireless communication.
ID: 1602790312
以图搜图
- 大图:9504 × 5492 像素·80.47 cm × 46.5 cm·300dpi·JPG
- 中图:1000 × 578 像素·35.28 cm × 20.39 cm·72dpi·JPG
- 小图:500 × 289 像素·17.64 cm × 10.2 cm·72dpi·JPG