add support 4g -- >ppp

hc

2023-11-24 2b26ab132d1b33b91c84c6d732456200e8c5ee77

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- Original image: https://pixabay.com/en/fractal-digital-spiral-1231400/
  (Licensed under the terms of the Pixabay License: https://pixabay.com/en/service/license/)
 
- Modified by jdgleaver