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List of Important Terminology of GSM

MOBILE STATIONS ISDN NUMBER (MSISDN) Is the mobile number used in a GSM PLMN (Public Land Mobile Network) MSISDN = Country Code + National Destination Code + Subscriber number e.x. 63 + 0918 + 8889999 Maximum length is 15 digits. INTERNATIONAL MOBILE SUBSCRIBER IDENTITY (IMSI) Is the subscriber number used over radio path for all … Read more

Point to take care during antenna installation

Here I write down which point to tack care during antenna installation which including Wind load, Work Temperature and Humidity and Camouflaged Antenna Scheme for Sites Wind Load The antennas are usually installed on high buildings or towers. In the littoral areas, the wind is strong with high speed, so the antennas are required to … Read more

Some Passive characteristics definition for antenna

Here I write down some passive characteristics definition for antenna which include Port Isolation, Power capacity, Input Port of Antenna, Passive Intermodulation (PIM) and Dimensions and Weight of Antenna. For multi-port antennas, such as dual polarization antenna and dual band dual polarization antenna, the isolation must exceed 30 dB when the Rx port is the … Read more

Simple Basic behind Antenna Systems for RF

Any Antenna may be Omni antennas or Directional antenna. Omni antennas provide approximately the same amount of profit throughout the entire 360-degree horizontal pattern. Directional antenna, sometimes referred to as sector antennas have the maximum winnings in one direction from the backside, usually 15-25 DB below the maximum benefit. Antenna gain is a function of … Read more