(cf indoor antenna
21Marvin Middlemark — Marvin P. Middlemark Born September 16, 1919 New York Died 1989 Occupation Inventor Marvin P. Middlemark (September 16, 1919 – September 1989) invented the Rabbit Ears television antenna (dipole antenna) in 1956 in Rego Park, Queens, New Y …
22One World Trade Center — Freedom Tower redirects here. For other uses, see Freedom Tower (disambiguation). For the building complex destroyed in the September 11 attacks, see World Trade Center. For the specific WTC building formerly known as One World Trade Center, see… …
23Thuraya — Infobox Company company name = Thuraya company company type = foundation = 1997 location = United Arab Emirates flag|UAE key people = industry = Satellite communication homepage = [http://www.thuraya.com/ www.thuraya.com] Thuraya (Arabic: الثريا… …
24Kite types — Colorful delta wing kite Kites are tethered flying objects which fly by using aerodynamic lift, requiring wind, (or towing), for generation of airflow over the lifting surfaces. Contents 1 Kite …
25Dartmouth, Massachusetts —   Town   Dartmouth Town Hall …
26Cellular repeater — A cellular repeater, cell phone repeater, or wireless cellular signal booster, a type of bi directional amplifier (BDA) as commonly munications industry, is a device used to boost the cell phone reception to the local area by the usage of a… …
27Log-distance path loss model — The log distance path loss model is a radio propagation model that predicts the path loss a encounters inside a building or densely populated areas over distance.Applicable to / Under conditionsThe model is applicable to indoor propagation… …
28telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… …
29Coaxial cable — RG 59 flexible coaxial cable composed of: A: outer plastic sheath B: woven copper shield C: inner dielectric insulator D: copper core Coaxial cable, or coax, has an inner conductor surrounded by a flexible, tubular insulating layer, surrounded by …
30Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… …
