2. PROUMB官网下载,P站免费版APP,P站视频软件下载,P站视频在线观看安装黄

    公司介紹
    Home > Tags > 4g Antennas

    4g Antennas

    4G antennas are critical components in modern wireless communication systems, responsible for transmitting and receiving radio frequency signals between user devices and base stations. They operate typically in frequency bands such as 700 MHz, 800 MHz, 1800 MHz, 2100 MHz, and 2600 MHz, depending on regional spectrum allocationss. Their design directly affects coverage, capacity, data rate, and overall network performance.A key concept in 4G antenna design is radiation pattern. Sector antennas are widely used on base stations, usually with 65° or 90° horizontal beamwidth, allowing the cell to be divided into sectors to improve capacity and reduce interference. These antennas often provide high gain, usually between 14 dBi and 20 dBi, focusing energy in specific directions to extend coverage and enhance signal strength.Polarization is another important characteristic. Many 4G systems use dual-polarized antennas, typically ±45° slant polarization. This supports multiple-input multiple-output (MIMO) technology, which is fundamental to 4G. MIMO uses multiple antennas at both the transmitter and receiver to increase data throughput and reliability without requiring additional spectrum. A common configuration is 2×2 MIMO, with higher-end systems using 4×4 or even 8×8 MIMO for greater capacity.Physical form factors vary according to application. Macro cell antennas are usually large, panel-type units mounted on towers, rooftops, or poles. They are designed with electrical or mechanical tilt adjustment, enabling optimization of the vertical beam to balance coverage and interference. Electrical tilt is controlled remotely and allows more precise network tuning, while mechanical tilt involves physically changing the antenna angle.For smaller coverage areas and capacity hot spots, 4G networks often deploy micro cells, pico cells, and femto cells. These use more compact antennas, including small panels, omnidirectional whip antennas, or integrated antenna modules. Omnidirectional antennas provide 360° horizontal coverage and are suitable for environments where users are distributed around the site, such as indoor venues, streets, or open squares.Another important aspect is antenna efficiency and front-to-back ratio. High efficiency ensures that most of the input power is radiated rather than lost as heat. A good front-to-back ratio reduces radiation in the opposite direction, limiting interference with adjacent cells behind the antenna.Environmental robustness is also crucial. Outdoor 4G antennas are typically weatherproof and designed to withstand wind, rain, temperature extremes, and UV radiation. They may incorporate lightning protection and robust mounting hardware. In addition, careful attention is given to passive intermodulation performance, as nonlinear effects at connectors or materials can generate unwanted signals that degrade network quality.Through careful design of patterns, polarization, gain, and mechanical properties, 4G antennas enable reliable high-speed mobiles broadband, supporting voice, video, and data services across diverse urban, suburban, and rural environments.

    Products

    Category:
    No search results found！

    News

    Category:
    No search results found！

    Case

    Category:
    No search results found！

    Video

    Category:
    No search results found！

    Download

    Category:
    No search results found！

    Job

    Category:
    No search results found！

    Featured Products

    No search results found！
    ShenZhen Tuko Technology Co.,Ltd is a professional enterprise engaged in design,production, sales and services of various communications antennas. Including DVB-T antenna, GPS/GSM antenna,RF coaxial connector, rubber antenna, CMMB, adaptor antenna, Indoor and outdoor antennas,etc. With years of more experience in this filed, We have a high reputation in the same industry. Our company has obtained ISO 9001:2000 International quality system certification. We owned a professional R&D and sales talents. We constantly to innovation new products to meet market requirements and will try our best to satisfied with every customers need. We also posses advanced production and testing equipments. We get zero complain about the quality problems from clients, So, we offer reliable quality products to every clients around the World . Warranty quality, Competitive price ,Good after- sales service .Whole hearted service to every customers. Hope cooperation with you to create a bright fortune!
    Call us
    Call us
    +8613823234980
    Email
    Email
    info@cnguonong.com
    Address
    Address
    2 Floor, Plant 2, YouCheng Industry Area, Anlan Road, No.9, Guanlan Town, Longhua District, Shenzhen, China

    Copyright © 2022 Suzhou Xiangyun Platform Information Technology Co., Ltd

    This website uses cookies to ensure you get the best experience on our website.

    Accept Reject
    網站地圖