I couldn't find any - although someone in a McCoy story uses an army field telephone. But, I did find these https://shkspr.mobi/blog/2018/10/the-mobile-phones-

I couldn't find any - although someone in a McCoy story uses an army field telephone. But, I did find these https://shkspr.mobi/blog/2018/10/the-mobile-phones-of-doctor-who-classic-who/ https://shkspr.mobi/blog/2018/10/the-mobile-phones-of-doctor...