Introduction to Radio Telephone
A case of historic US (United States) use of the identical word Radiophone presents in the 1960s. This word is employed to explain push-to-talk two-way equipment and systems.
There might be confusion among the identical words radiotelephone and radiophone. A significant case of radiotelephone being employed for two-way radio was not found. Therefore since, the 1930s the federal communications commission has issued several commercial "radiotelephone operator" licenses and allowed to qualified applicants. These permit them to install service and keep voice-only radio transmitter systems for make use of on aircraft and ships.
ADIOTELEPHONE VERSUS PHONE
The term 'phone' has a long precedent starting with early US (united state) wireless voice systems. The word means analog voice as opposite to early binary communications termed as telegraph or Morse code. This would involve systems fitting into the category of two-way radio or one way voice broadcasts like coastal maritime weather. The word is still well-liked in the amateur radio community and in US (united state) Federal communications commission regulations.
WLL
A telephone where audio communication is established through makes use of a two-way radio receiver and transmitter also termed wireless telephone.
Wireless local loop (WLL) is a word for the make use of a wireless communications link like the "last mile or first mile" connection for delivering POTS (plain old telephone service) and/or broadband internet to telecommunications customers. Several types of WLL systems and technologies present.
Other words for this kind of access involve FRA (Fixed Radio Access), BWA (Broadband wireless Access), RITL (Radio in the Loop), and FWA (Fixed Wireless Access).
Wireless local loop (WLL) standards are as follow:
A. Mobile
i. CDMA
ii. TDMA
iii. GSM
iv. UMTS
v. Personal handy phone system
B. Fixed or local area network
i. DECT
ii. LMDS
iii. IEEE 802.11, initially planned for short range mobile internet and network access service, it has come out like the fact standard for wireless local loop.
iv. WiMAX or IEEE 802.16 might become the dominant medium for wireless local loop. At present more operators are running on the 802.11 MAC at 2 and 5GHz. Intel is promoting this standard.
Satellite internet access for autonomous building.
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