JHS-430 是专为船舶运行、进行装载/卸载、实行救援行动和停泊时进行船载通信、自船到岸上、或自岸上到船上通信的非常安全的2瓦特超高频(UHF)无线电对讲机。JHS人体工程学的设计和绝对安全的结构满足油船、LPG船、LO船的易燃和危险货物的FM标准。 本安型结构 ...
1MHz700MHZ 3.2W放大器HF FM VHF UHF调频发射 宽带射频功放高频 上海,上海设计联盟网店 商城价:78.00,上海设计联盟网店 商城掌柜:调频迷,
This letter presents a wideband slim monopole antenna operating on very-high-frequency (VHF) and ultra-high-frequency (UHF) bands. The monopole antenna is composed of a slim strip and a meander line loading. The monopole antenna is vertically mounted on the case of the radio station which is...
Model:TPW-3HC-1396-NF About 138-960MHz Hybrid Combiner Coupler VHF UHF Band For Public Safety: 200W 3dB Hybrid Combiner(138-960MHz, IP60, N Female) A 3dB Hybrid Combiner is a network which combines up to three inputs. In DAS applications, all three outputs may be used to feed differe...
ANTUKO AN-2004 室内电视天线 UHF Dvb 电视天线带放大器 ANTENA 电视制造商 DVB-T 天线高增益 35DB US $1.88~$2.6 10件 询盘 相框艺术框架电视天线数字室内高清数字室内VHF174-230MHZ1UHF470-862MHz-增益:30dBil带放大器) US $3.9~$5.2 10件
Elements, VHF(3Elements) UHF(5 Elements) Features: |Gmrs Vehicle Antenna|Best Indoor Scanner Antenna| **Enhanced Communication with High Gain** The Ailunce High Gain Ham Radio Yagi Antenna is a state-of-the-art solution for those seeking to improve their wireless communication quality and ...
aof VHF and UHF signals well beyond the radio horizon with little VHF和UHF信号充分超过无线电地平线与一点[translate] a张依 Zhang Yi[translate] aonce more you open the door。take me to the heaven。thank you 您更加打开门。把我带对天堂。谢谢[translate] ...
Amplified Magnetic Base Digital HDTV Antenna DVB-T DVB-T2 TV HDTV Aerial Antenna (4K Ultra-HD Ready, ATSC 3.0 Ready, VHF And UHF ) BIO-V080 of Jiangxi Innovation Technology Co.,Ltd: Amplified Magnetic Base Digital HDTV Antenna DVB-T DVB-T2 TV HDTV
简介了高纬偶发E层(Es)的常见形态及对应成因,根据EISCAT非相干散射雷达在UHF和VHF频段对高纬中层大气电子密度的探测数据,以一种典型偶发E层的时空-电子密度为例进行对比,分析Es在两个频段显示的相似性和差异性. 著录项 来源 《第十四届全国电波传播学术讨论年会》|2017年|288-290|共3页 ...
Tetra 800MHz duplexer diplexer combiner RX 806-821MHz TX 851-866MHz N and SMA connector $55.00 - $120.00 Min. order: 1 piece UHF 136-174 mhz 4 cavity pass-reject duplexer with n-female connector for 5g $990.00 - $1,000.00 Min. order: 10 pieces Wideband 4.5-26GHz 16 Way Power Split...