3379741
| Questão | Responda |
| ITU-R | International Telecommunication Union Radiocommunication Sets rules on what we can do with a radio transmitter |
| FCC | Federal Communications Commission Sets rules on what we can do with a radio transmitter |
| IEEE | Institute of Electrical and Electronics Engineers Creates standards for compatibility between equipment |
| IETF | Internet Engineering Task Force Creates internet standards |
| Wi-Fi Alliance | Does certification testing of network equipment |
| ISO | International Organization for Standardization Created OSI model |
| What is a carrier signal | When a signal is modified into 1s and 0s. |
| What is modulation | Adjusting signal to create a carrier signal Used to transmit data |
| What is amplitude | Height or power of the wave |
| What is a wavelength | Distance between similar points on two back to back waves measured at the peak of the wave |
| What is frequency | Behavior of waves It is the amount of waves generated in 1 second. |
| What is phase | Relationship between two waves with the same frequency |
| Three types of keying methods | Amplitude-shift keying (ASK) Phase-shift keying (PSK) Frequency-shift keying (FSK) |
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