Yes a telegraph can be wireless. Thomas Edison invented the first wireless telegraph
The first wireless device invented was the wireless telegraph in 1935 by Guglielmo Marconi.
marcon
i did
According to Fat Cow, the advantages of wireless email include accessing your email and contact lists from your mobile phone, viewing attachments on the go, sending and receiving email securely and staying mobile.
Yes the wireless patch for audio guitars and such have been invented for over 30 years
Nikola Tesla
1325
Guglielmo marconi
Tesla?
2003
wireless