What is the Difference Between Ka-band and Ku-band in Satellite Communications?
The Ka-band with frequency range 26.5 ~ 40GHz, is part of the microwave band of the electromagnetic spectrum. In other words, the band is directly above the K-band.
The Ka-band is also known as the 30/20GHz band and is commonly used for satellite communications.
The disadvantage of the Ka-band is that the rain attenuation is relatively high, and the requirements for devices and processes are relatively high.
At Ka-band, the antenna size of the Ka end user is not mainly limited by the antenna gain, but by the ability to suppress interference from other systems.
The Ku-band refers to a lower frequency band than the K band under the IEEE 521-2002 standard. The Ku-band usually ranges from 10.7 to 12.75GHz in the downlink and 12.75 to 18.1GHz in the uplink.
The Ku band is the live satellite band.
Differences:
(1) Different frequency resources, the available bandwidth of Ku is not as much as that of Ka.
(2) The antenna gain is different, which determines that the Ka can use a smaller size antenna.
(3) The anti-rain attenuation ability is different. The higher the frequency, the worse the anti-rain attenuation ability.
(4) The satellite design is different.
The popular Ka satellites in the world are all designed with spot beams, and it is required to do beam switching under the same satellite.
Ku is generally a large beam, no need to switch under the same satellite.
(5) Spot beams can be beam multiplexed, and the bandwidth utilization rate also increases, so the cost per unit bandwidth of Ka is reduced.
(6) Satellite companies operate differently.
Ku runner often rents in MHz, and users build their own platforms.
Ka is to rent in Mbps, and users only buy terminals to access the network.
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本资料介绍了UIY公司及其产品。UIY成立于2003年，专注于民用和军事微波通信设备的研发、生产和销售。产品涵盖射频隔离器、射频环行器、射频滤波器、衰减器/终端/负载、功率分配器/分裂器、双工器/三工器、收发合路器/分裂器以及其他相关产品。产品广泛应用于民用、军事、航空航天、太空技术等领域。UIY秉承“客户至上、技术领先、诚信为本、勇于创新”的管理理念，致力于为客户提供高质量的产品和服务。
优译 - 3 WAY POWER DIVIDER,双向功率分配器,COAXIAL ATTENUATOR,带阻滤波器,HYBRID COMBINER,波导到同轴适配器,16 WAY POWER DIVIDER,WAVEGUIDE TO COAXIAL ADAPTER,DROP IN CIRCULATOR,嵌入式环形器,BROADBAND ISOLATOR,MICROSTRIP ISOLATOR,16路功分器,TRIPLEXER,RF CIRCULATORS,微带环行器,嵌入式隔离器,8 WAY POWER DIVIDER,带通滤波器,四路功率分配器,SURFACE MOUNT ISOLATOR,RX SPLITTER,射频环行器,MICROSTRIP CIRCULATOR,定向耦合器,同轴衰减器,高通滤波器,TX合路器,HIGH PASS FILTER,波导环行器,RX多路耦合器,低通滤波器,双工器,宽带隔离器,LOW PASS FILTER,宽带环行器,微带隔离器,8路功率分配器,WAVEGUIDE ISOLATOR,DROP IN ISOLATOR,射频隔离器,功分器,RF FILTERS,DUPLEXER,BAND PASS FILTER,TX MULTICOUPLER,COAXIAL CIRCULATOR,混合合路器,BAND STOP FILTER,射频滤波器,同轴终端,COAXIAL TERMINATION,表面安装隔离器,SURFACE MOUNT CIRCULATOR,DUAL JUNCTION CIRCULATOR,双节隔离器,POWER DIVIDER,三工器,WAVEGUIDE CIRCULATOR,RF ISOLATORS,同轴隔离器,表面贴装环行器,衰减器,双结环行器,DIRECTIONAL COUPLER,波导隔离器,功率分配器,2 WAY POWER DIVIDER,4 WAY POWER DIVIDER,BROADBAND CIRCULATOR,三路功率分配器,TX COMBINER,COAXIAL ISOLATOR,POWER SPLITTER,RX MULTICOUPLER,TX多路耦合器,ATTENUATOR,DUAL JUNCTION ISOLATOR,同轴环行器,接收分路器,UIYBPF8844A,UIYBCC6466A,UIY4PD12071A,UIYDI4249A,UIYDX9580B,UIYDX9580A,UIYHPF3426A,UIYCDI9678A,UIYBCC5049A,UIYDX6733A,UIYBCC5049B,UIYWI2836A,UIYCC4550A,UIYCI1522A,UIYBSF29567A,UIYDDI12075A,UIYCDI7038A,UIYBDI5049B,UIYCA500A,UIYWI4242A,UIYBPF12021A,UIYBPF8648A,UIYBPF10060A,UIYDC3538A,UIYWI1636A,UIYBDI5049A,UIYTX120120A,UIYCA100AN18,UIYWTCWR90A,UIYBCI3434G,UIYBCI3434F,UIYWTCWR90E,UIYCT150AN3,UIYCA50AS18,UIYCT150AN6,UIYDI1925A,UIYCA300AN124,UIYDX12276A,UIYBSF202152A,UIY6RS1UB,UIYWC1027A,UIYLPF19048A,UIYDX170125A,UIY8PD199106A,UIYBCI3434D,UIYBCI3434C,UIYWI1940A,UIYBCI3434B,UIYBCI3434A,UIYMI1416A,UIYWC2225A,UIYDI5663A,UIYWC2225B,UIYBPF250166A,UIYBDC5972A,UIYMC55B,UIY8PD10875A,UIYCT5AN124,UIYHPF3733A,UIY4PD5650A,UIY4PD5650B,UIYLPF15830A,UIYLPF3325A,UIYDDC16080A4P,UIYDX62112A,UIYWTCWR112A,UIY8PD245174A,UIYBPF205205A,UIYWTCWR112E,UIYSI15A,UIYBPF7070A,UIYWC4444A,UIYCA300AN3,UIYBDC6434A4P,UIYCA300AN6,UIYCA300AN8,UIYHPF3734A,UIYBPF5313A,UIYBPF9033A,UIYBCC2618A,UIYCT50AN6,UIYBCC2618B,UIYCA2AS18,UIYCT50AS18,UIY8PD144103B,UIY8PD144103A,UIYWTCWR159A,UIYCT50AN3,UIYBPF6535A,UIYWTCWR159E,UIYDX121159A,UIYCA200AN8,UIYCT5AN3,UIYCT5AN18,UIYDI2020A,UIYDX260190A,UIYDDC12060A4P,UIYCA200AN6,UIYCA200AN3,UIYBDC10149A,UIYCT5AN6,UIYCT25AS8,UIYBDC10149B,UIY2T1HC422165A,UIYCI5356A,UIYCA25AS18,UIYMC33Y,UIYBPF338151A,UIYCC5356A,UIYDMC108B,UIYDMC108A,UIYBCI10149B,UIYLPF9426A,UIYBDI6466A,UIYBCC1920A,UIYBCI10149A,UIYBCC1920B,UIYDX340210A,UIYLPF4630A,UIYCA2AS124,UIYCDC7038A4P,UIY4T8RTR3UB2C,UIYBDI5028A,UIYBPF100104A,UIYSC7A,UIYDDI7046A,UIYDI5356A,UIYBCC5028A,UIYDX185155A,UIYSI12A,UIYCDC16080A,UIYWTCWR137A,UIYBDC7272A,UIYWTCWR137E,UIYSI36A,UIYDMC109A,UIYDMC109B,UIYWTCWR28E,UIYCT100AN18,UIYBCC4550A,UIYBPF4814A,UIYCT25AS18,UIYCA150AN3,UIYCDI12060A,UIYDDC3819A,UIYBCI4040B,UIYBCI4040A,UIYBPF12028A,UIYCA10AS3,UIYBPF11022A,UIYBPF4814B,UIYDC815A,UIYDDCP21424A,UIYDI4242A,UIYBPF12026A,UIYSC9B,UIYBPF4815B,UIYLPF3322A,UIYBSF12069A,UIYWI4444A,UIYSI10A,UIYLPF4520A,UIYWI2025A,UIYBDC1920A,UIYWI2025B,UIYMC77A,UIYBSF16168A,UIYBDC1920B,UIYBDI1326A,UIYBDI1326B,UIYHPF5033A,UIYBPF10068A,UIYCA2AS3,UIYCA2AS6,UIYBDC4222A,UIYCA2AS8,UIYBSF4012A,UIYCA10AS8,UIY6TC1UA,UIYCDC12060A4P,UIY6TC1UB,UIY2PD2828E,UIYBCC4222A,UIY2PD2828F,UIYCA10AS6,UIY2PD2828G,UIYWC3842A,UIY2PD2828A,UIY16PD22393A,UIY2PD2828B,UIYBPF10069A,UIY2PD2828C,UIY2PD2828D,UIYDDCP10025A,UIYCT25AN3,UIYBCI1326A,UIYCA150AN6,UIYBCI1326B,UIYCA5AS18,UIYCT25AN6,UIYBCI5049B,UIYBCI5049A,UIYCT25AN8,UIYWI1925A,UIYBSF11968A,UIYBPF9090A,UIYBPF6464A,UIYLPF8863A,UIYCC4337A,UIYHPF2822A,UIY4PD5230A,UIYBPF17384A,UIY2PD158122A,UIYBPF100145A,UIY4PD136119A,UIYDC1220A,UIYCT500AN18,UIYBPF5026A,UIYBSF17235A,UIYDDC3819A4P,UIY4PD8562A,UIYDX9976A,UIYWI2262A,UIYCT200AN3,UIYCT1000A,UIYCT200AN8,UIYCT200AN6,UIY2T1HC14244A,UIYWTCWR284E,UIYWTCWR284F,UIYCC120140A,UIYBPF5353A,UIYMI1212A,UIYDCP5525A,UIYBCC14272A4P,UIYCA10AS124,UIYDI1219A,UIYBDI2528B,UIYDX8862A,UIYBDI2528A,UIYDDC5025A,UIYDX140110A,UIYWTCWR284A,UIYBDI4040A,UIYWI2260A,UIYLPF16525A,UIYCT10AN124,UIYCA5AN124,UIYBDI4040B,UIYBCI2528A,UIYBDI2525C,UIYBDI2525B,UIYBDI2525A,UIYBCI2528B,UIY2T1HC16445A,UIYWTCWR1150A,UIYDDC1716A4P,UIYCI2528A,UIYBPF3020B,UIYCI100166A,UIYCDC6834A4P,UIYLPF4125A,UIYBSF11060A,UIYCDC6432A,UIYCA2AN6,UIYCA2AN8,UIYBCC2618B4P,UIYBPF12553A,UIYCA2AN3,UIYHPF3934A,UIYDX18484A,UIYBPF4025A,UIYCA30AS3,UIYDX14073A,UIYCA30AS5,UIYDX11880A,UIY2PD2835A,UIYCI4337A,UIYBDI1025A,UIYLPF3022A,UIYCT80AN6,UIYMI45B,UIYCT80AN3,UIY4PD5060A,UIYBDI6075F,UIYBPF3414B,UIYBPF3414A,UIYWI2238A,UIYCT2000A,UIYBPF11890A,UIYBPF4721A,UIY2T2RTR350158A,UIYDI80140B,UIY3PD122158A,UIYMI44B,UIYMI44A,UIYBPF7022A,UIYBPF7373B,UIYMI44C,UIYBPF7373A,UIYTX11676A,UIYBCI2618B,UIYWI4876A,UIYBDC2528A,UIYBDC2528B,UIYCT2AB3,UIYBPF10016A,UIYBCI2618A,UIYMI45A,UIYBPF15065A,UIYBDC1716B4P,UIYBPF8550A,UIYCT2AB6,UIYCDC9648A4P,UIYTX7164A,UIYDC2020A,UIYTX7164B,UIYCT500AN124,UIYWTCWR34A,UIY3T1HC30480B,UIY3T1HC30480A,UIYWTCWR10A,UIY4TC420420B,UIYWTCWR34E,UIYWTCWR10E,UIYMC1414A,UIY4TC420420A,UIYDC100100A,UIYBCC3434F,UIYBCC3434C,UIYBCC3434D,UIYBCC3434A,UIYBCC3434B,UIYBPF6817A,UIYCA100AN8,UIYCA100AN6,UIYBDC1325B,UIYBCC3434G,UIYCA50AS124,UIYDI3538A,UIYBDC1325A,UIYCA100AN3,UIYBCI4222A,UIYBSF12070A,UIYCC2525A,UIYBCC6060G,UIYCA25AS124,UIYBCC6060H,UIYBCC6060E,UIYBCC6060F,UIYLPF9923A,UIYBCC6060C,UIYBCC6060D,UIYBCC6060A,UIYBCC6060B,UIYWC3030A,UIYTX100140A,UIYWC3030B,UIYHPF3818A,UIYWI2128A,UIYLPF6420A,UIYLPF17227A,UIYBPF6020A,UIYCA10AN3,UIYCA10AN6,UIYBPF5815A,UIYWTCWR12A,UIYWTCWR12E,UIYCA10AN8,UIY2T2HC23040A,UIYCI6075A,UIYDX166125A,UIY2PD48157A,UIYDX482192A,UIYDDI4027A,UIYBPF6023A,UIYDX118118A,UIYBPF10673E,UIYBPF10673G,UIYBPF10673F,UIYDX102200A,UIYCI4550A,UIYDDI3819A,UIYBPF10673C,UIYBPF10673B,UIYWI2259A,UIYBDC5049B,UIYCDC7038A,UIYBDC5049A,UIYBSF3525A,UIYDX320420A,UIY8TC1UB,UIY2PD3728A,UIY8TC1UA,UIYBCI6466A,UIYBPF8663A,UIY2T2HC40030A,UIYBPF5817A,UIYBSF12970A,UIY2PD2619A,UIY4PD220162A,UIYBCI5028A,UIYDCP8220A,UIYBDC5028A,UIYSC15A,UIYBDC5028B,UIY4TC330330A,UIYCA500AN124,UIYDC4242A,UIYWTCWR15A,UIYBDC6466A,UIYHPF3025A,UIYHPF3025B,UIYWTCWR15E,UIYWTCWR15F,UI,COMMERCIAL APPLICATIONS,空间应用,MILITARY APPLICATIONS,SPACE APPLICATIONS,商业应用,军事应用
优译隔离器选型表
优译宽带隔离器、波导隔离器、同轴隔离器、微带隔离器、微带基片隔离器、射频隔离器、嵌入式带线隔离器、表面封装隔离器(SMT隔离器)、双节隔离器，提供多种频率范围，VSWR：1.15-1.45，VSWR Max：1.15-1.9，Forward Power(W)：2-1500W，Reverse Power(W)：1-300W，低插损、高隔离、高功率；可按客户要求定制.
|
产品型号
|
品类
|
Freq. Range(MHz、GHz)
|
Insertion Loss Max(dB)
|
Isolation Min(dB)
|
VSWR
|
Forward Power(W)
|
Reverse Power(W)
|
Connector Type
|
Temp.(°C)
|
|
UIYCDI16080A25T30SF
|
双节隔离器
|
25 ~ 30 MHz
|
7
|
24
|
1.45
|
50
|
50
|
SMA-F
|
+10 ~ +60
|
选型表 - 优译 立即选型
优译环行器选型表
优译同轴环行器、表面封装环行器（SMT环形器）、微带环行器、单节微带环行器、微带基片环行器、嵌入式带线环行器选型；多种频率范围，Insertion Loss Max(dB)：0.2-5dB，Isolation Min(dB)：1.4-30dB，VSWR Max：1.15-1.8，Forward Power(W)：2-1500W，Reverse Power(W)：2-1500W，低插损、高隔离、高功率；可按客户要求定制。
|
产品型号
|
品类
|
Freq. Range(MHz、GHz)
|
Insertion Loss Max(dB)
|
Isolation Min(dB)
|
VSWR Max
|
Forward Power(W)
|
Reverse Power(W)
|
Connector Type
|
Temp.(℃)
|
|
UIYWC6880A54T59
|
波导环行器
|
5.4 ~ 5.9 GHz
|
0.3
|
23
|
1.2
|
100
|
100
|
WR137(BJ70)
|
-40 ~ +85
|
选型表 - 优译 立即选型
UIYBCC1316A 26.5至40GHz–同轴环行器
本资料介绍了UIY公司生产的26.5至40GHz频段的同轴环行器。该产品具有高隔离度、高性能和超竞争价格的特点，适用于军事、太空和商业应用。提供定制设计和一年的标准保修服务。
优译 - COAXIAL CIRCULATOR,同轴环行器,UIYBCC1316A,UIYBCC1316A265T40KF,COMMERCIAL APPLICATIONS,空间应用,MILITARY APPLICATIONS,SPACE APPLICATIONS,商业应用,军事应用
一文解析毫米波以及其应用
毫米波波长为1～10毫米的电磁波称毫米波，它位于微波与远红外波相交叠的波长范围，因而兼有两种波谱的特点。毫米波频段没有太过精确的定义，通常将26.5~300GHz的频域的电磁波称毫米波。本文优译将介绍毫米波以及其应用。
优译宽带/双节环行器选型表
优译宽带环行器/双节环行器选型，多种频率范围，VSWR Max:1.15-1.9，Forward Power(W)：10-500W，Reverse Power(W)：3-500W，低插损、高隔离、高功率；可按客户要求定制。
|
产品型号
|
品类
|
Freq. Range (MHz、GHz)
|
Insertion Loss (1-2)Max(dB)
|
Isolation (2-1)Min(dB)
|
VSWR Max
|
Forward Power(W)
|
Reverse Power(W)
|
Connector Type
|
Temp.(°C)
|
|
UIYCDC16080A25T30SF
|
双节环行器
|
25 ~ 30 MHz
|
7
|
24
|
1.45
|
50
|
50
|
SMA-F
|
+10 ~ +60
|
选型表 - 优译 立即选型
【产品】优译推出18-26.5GHz/26.5-40GHz的全带宽同轴/带线隔离器
优译又出新品啦，18-26.5GHz（型号：UIYBCI1025A）同轴隔离器以及同频段的（型号：UIYBDI1025A）带线隔离器，全带宽，还有频段为26.5-40GHz（型号：UIYBCI1125A）同轴隔离器以及同样频段的（UIYBDI1125A）带线隔离器也是全带宽。
优译同轴环行器选型表
优译同轴环行器/同轴环形器，多种频率范围，Insertion Loss Max(dB)：0.2-5dB，Isolation Min(dB)：11-30dB，VSWR Max：1.15-1.8，Forward Power(W)：10-600W，Reverse Power(W)：10-600W，低插损、高隔离、高功率；可按客户要求定制.
|
产品型号
|
品类
|
Freq. Range(MHz、GHz)
|
Insertion Loss Max(dB)
|
Isolation Min(dB)
|
VSWR Max
|
Forward Power(W)
|
Reverse Power(W)
|
Connector Type
|
Temp.(°C)
|
|
UIYCC8080A10T12SF
|
同轴环行器
|
10 ~ 12 MHz
|
5
|
11
|
1.8
|
50
|
50
|
SMA-F
|
+20 ~ +60
|
选型表 - 优译 立即选型
优译宽带隔离器选型表
优译宽带隔离器，多种频率范围，Insertion Loss Max(dB)：0.4-1dB，Isolation Min(dB)：1.3-36dB，Forward Power(W)：10-300W，Reverse Power(W)：2-100W，低插损、高隔离、高功率；可按客户要求定制。
|
产品型号
|
品类
|
Freq. Range(MHz、GHz)
|
Insertion Loss Max(dB)
|
Isolation Min(dB)
|
VSWR Max
|
Forward Power(W)
|
Reverse Power(W)
|
Connector Type
|
Temp.(°C)
|
|
UIYBDC5028A3T6
|
宽带隔离器
|
3.0 ~ 6.0 GHz
|
0.5dB
|
18dB
|
1.3
|
100W
|
20W
|
TAB
|
-55 ~ +85
|
选型表 - 优译 立即选型
优译同轴隔离器选型表
优译同轴隔离器选型，多种频率范围，Insertion Loss Max(dB)：0.2-5dB，Isolation Min(dB)：11-35dB，VSWR Max：1.15-1.8，Forward Power(W)：10-500W，Reverse Power(W)：2-250W，低插损、高隔离、高功率；可按客户要求定制。
|
产品型号
|
品类
|
Freq. Range(MHz、GHz)
|
Insertion Loss Max(dB)
|
Isolation Min(dB)
|
VSWR Max
|
Forward Power(W)
|
Reverse Power(W)
|
Connector Type
|
Temp.(°C)
|
|
UIYCI8080A10T12SF
|
同轴隔离器
|
10 ~ 12 MHz
|
5
|
11
|
1.8
|
50
|
50
|
SMA-F
|
+20 ~ +60
|
选型表 - 优译 立即选型
UIYBCC1318B 12至18GHz–同轴环行器
本资料介绍了UIY公司生产的12至18GHz频段的同轴环行器。该产品具有高隔离度、高性能和超竞争价格等特点，适用于军事、太空和商业应用。提供定制设计服务，并支持一年的标准保修。
优译 - COAXIAL CIRCULATOR,同轴环行器,UIYBCC1318B12T18SMTSFTSF,UIYBCC1318B,UIYBCC1318B12T18SFTSMTSF,UIYBCC1318B12T18SF,COMMERCIAL APPLICATIONS,空间应用,MILITARY APPLICATIONS,SPACE APPLICATIONS,商业应用,军事应用
UIYBCI1318B 12至18GHz–同轴隔离器
本资料介绍了12至18GHz频率范围内的同轴隔离器。这些隔离器具有高隔离度、高性能和超竞争价格的特点，适用于军事、太空和商业应用。提供定制设计服务，并支持一年的标准保修。
优译 - 同轴隔离器,COAXIAL ISOLATOR,UIYBCI1318B,UIYBCI1318B12T18SMTSF,UIYBCI1318B12T18SF,UIYBCI1318B12T18SFTSM,COMMERCIAL APPLICATIONS,空间应用,MILITARY APPLICATIONS,SPACE APPLICATIONS,商业应用,军事应用
电子商城
服务
可定制射频隔离器/环行器（10M-40GHz），双工器/三工器（30MHz/850MHz-20GHz），滤波器（DC-20GHz），功分器，同轴负载，同轴衰减器等射频器件；可定制频率覆盖DC~110GHz，功率最高20KW。
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授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
授权代理品牌：电子材料
授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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