New WiFi Related Interview Questions :: ALLInterview.com http://www.allinterview.com New WiFi Related Interview Questions en-us What is the main difference between GSM & CDMA? http://www.allinterview.com/showanswers/76398.html gsm is global system for mobile communication. it uses fdma & tdma. cdma:- it stands for code division mutiple access. Which is the digital modulation used today in telecomn? (whatever his http://www.allinterview.com/showanswers/73253.html gmsk What are the various blocks in GSM architecture? http://www.allinterview.com/showanswers/73252.html ms, BTS, BSC, MSC, HLR, VLR etc... what is Telecom regulatory body of India? http://www.allinterview.com/showanswers/73251.html TRAI and Dot (Department of telecommunication) 1.What is the difference between Diplexer and Duplexer and what posi http://www.allinterview.com/showanswers/72967.html What is the difference between Diplexer and Duplexer and what position? Used for separating sending and receiving signals to/from antenna. What is the different between CDU C and CDU A CDU A uses filter combiner and c uses hybrid What is the main differnece between 1x RTT and 1X EVDO http://www.allinterview.com/showanswers/67036.html There are many differences are there between 1x Rtt and 1x EVDO ---- 1. first thing comes to mind the channel structure in 1x RTT there are 4 forward channel and two rev channel . but in ev do that channel structure is different . control cha What Are The Signals Tranferred In GPRS? http://www.allinterview.com/showanswers/28847.html GPRS is 2.5 generation of GSM. Radio interface is same as GSM. so i think it also uses the same frequency band and moulation. i.e 900/1800Mhz,GMSK modulation. what is GSM? http://www.allinterview.com/showanswers/24008.html globle mobile service. What is FCC and how does it relate to Bluetooth? http://www.allinterview.com/showanswers/16351.html FCC is federal communication comitee of USA. it is regulatory authority of USA like TRAI(actually DOT) in india. Its role is to allocate frequencies from RF spectrum (1 HZ- 300 GHZ) and providing licences for different application like TV, m Why can Bluetooth equipment integrate easily in TCP or IP network? http://www.allinterview.com/showanswers/15188.html it is an IEEE standard, so interoperability was prescribed at the development phase. How does Bluetooth use frequency hopping for security? http://www.allinterview.com/showanswers/15187.html frequency hopping is a spread spectrum technique in which the transmitter transmits at varying frequencies for very small periods of time say milli or nano sec. these frequencies are choosen in random among the frequency band available. the r What is the frequency range used for Bluetooth in Japan? http://www.allinterview.com/showanswers/15186.html What is the frequency range used for Bluetooth in Europe and United http://www.allinterview.com/showanswers/15185.html 2402 MHZ- 2470 MHZ in europe and USA Under what frequency range does Bluetooth work? http://www.allinterview.com/showanswers/15184.html it works on the ISM frequency 2.4 Ghz what is the total number of masters and slaves in a piconet? http://www.allinterview.com/showanswers/15183.html In a piconet there can obnly be 1 master and 7 slaves