radio antenna tower used for telecommunication signals ,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商银
These directional antennas consist of one to three parallel wires that are suspended above the ground. Looking down on the antenna, it has a diamond shape. Combined with the three Kw.E.a receivers, the two antennas provided dual HF-diversity and 2x3 = 6-fold AF diversity....
It was almost destroyed in 1909, but was saved because of its antenna(天线), which is used for communication at that time. Beginning in 1910 it became part of the International Time Service. French radio and French television have also made good use of its height. The Eiffel Tower has ...
Antenna Internal Antenna Warranty 1 Year Dimensions (W x L x H) 8.66 x 8.68 x 2.17 in. Weight 3.53 lb (1.6 kg) Show more Lead time Customization Ratings & Reviews Product reviews (0) Store reviews (142) 4.6 Very Satisfied Based on 142 reviews forverified purchases ...
PURPOSE:Not only to set the ground height of a tower body to about 1/2 of shorter wavelength in wavelength of 2 waves, but also to radiate 2 waves by large electric power, by setting the wavelength of 2 waves by which ground height of the tower body is used in common, so that a ...
D588 International Widely Used radio Bt Speakers Frequency Device Within Station Equipment Complete AM Fm Other Radio, You can get more details about D588 International Widely Used radio Bt Speakers Frequency Device Within Station Equipment Complete AM
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Antenna used for mobile phones behind a house roof. Cellular radio tower on a cloudy day.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世
material:Aluminum Alloy;drive mode:manual winch or electric;Colour:Black White or green;use:antenna;Accessories reference:Details page;Pipe diameter wall thickness:4mm;Maximum load:50kg;Advantage:more durable than pneumatic;Wind pressure resistance:85km/
Cell phone antenna or aerial tower used for GSM and UMTS mobile phone transmissions,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、