台灣無線電俱樂部 TAIWAN RADIO CLUB ( TRC )

 找回密碼
 註冊
搜索
台灣摩托羅拉授權代理商Belfone 台灣總代理anytone 自由通無線電對講機無線王資訊有限公司
查看: 16442|回復: 26
打印 上一主題 下一主題

什麼天線感度最好

  [複製鏈接]
  • TA的每日心情
    開心
    2024-3-26 07:48
  • 簽到天數: 1941 天

    [LV.Master]伴壇終老

    樓主
    發表於 2012-4-26 21:04:36 | 顯示全部樓層
    沒頭沒尾.....無解.....
    回復 支持 反對

    使用道具 舉報

  • TA的每日心情
    開心
    2024-3-26 07:48
  • 簽到天數: 1941 天

    [LV.Master]伴壇終老

    沙發
    發表於 2012-4-26 22:13:25 | 顯示全部樓層
    Description
    D-130 Super Discone Antenna

    The D130 Super Discone Antenna is an ultra-wideband antenna covering amateur radio, commercial 2-way, cellular, air traffic control and various utility frequency bands. Rust-free stainless steel is employed in major component parts making the antenna rust resistant and durable.

    Special Features:
    • Ultra-wideband design 25 to 1300 MHz receive, 50-1300 MHz transmit (6m tunable for transmit)
    • Compact and lightweight design enables antenna to be installed on balcony railing at an apartment or condominium
    • Ideal for 2m, 1-1/4m, 70cm, 33cm and 23cm amateur bands
    • Excellent "shop" antenna for testing various transmitters on a single coax
    • Can be made further compact and lightweight by removing the top loading coil if 25-50 MHz reception is not required

    Specifications:
    Bands:        25-1300 MHz
    Gain dBi:        2 (nominal)
    Max Power Rating:        144 MHz up: 200 watts
    6m: 20 watts FM, 50 watts PEP
    Height:        5.6'
    Weight:        2.2 Lbs.
    Connector:        UHF
    Element Phasing:        Wideband Discone

    Remarks: Adjustable 50-54 MHz.

    說真的, wide band antenna 要做到 high gain 很難. D-130 才2dBi.  木瓜或長的車天線的gain隨便都比它高... 除非投資下去搞個幾組不同 high gain antenna 來切換選擇... 否則應該很難面面俱到吧!!??
    回復 支持 反對

    使用道具 舉報

    您需要登錄後才可以回帖 登錄 | 註冊

    本版積分規則

    小黑屋|手機版|Archiver|TRC 台灣無線電俱樂部 taiwan radio club  

    GMT+8, 2024-5-3 08:16 , Processed in 0.033827 second(s), 15 queries .

    Powered by Discuz! X3.3

    © 2001-2017 Comsenz Inc.

    快速回復 返回頂部 返回列表