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了解 Wi-Fi 6E 技术和无线连接的未来

2023/9/12
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Wi-Fi 6,又称 802.11ax Wi-Fi 和 AX Wi-Fi,是 Wi-Fi 技术的下一代行业标准。其系统和普及将取决于电缆组件和射频(RF)连接器(如安费诺生产的连接器)提供的互连性。在 Wi-Fi 6 走向全球市场的过程中,这些解决方案对于提高其速度和网络可靠性至关重要。射频互连是依赖无缝内部流程和连接的无线网络取得成功不可或缺的因素。因此,了解 Wi-Fi 6 将为消费者和企业带来什么至关重要。

  • 与传统 256-QAM 802.11ac 的 6.9 Gbps 速度相比,Wi-Fi 6 在 160 MHz 信道上采用了 1024 正交调幅(QAM)技术,提供高达 9.6 Gbps 的速度。
  • 1024-QAM 技术允许每个符号携带 10 个比特,而不是 8 个比特,比传统 802.11ac 256-QAM 网络提高了 25
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对于消费者来说,这将实现流媒体的无缝传输和互联网服务的充分利用。此外,Wi-Fi 6 还能为网络上的设备提供四倍的容量:

  • 8x8 上行/下行链路
  • MU-MIMO(多用户多输入多输出)
  • OFDMA(正交频分多址)
  • 基本服务集(BSS)着色,可在拥塞的网络中保持可靠性。
  • Wi-Fi 6 还采用了长 4 倍的正交频分复用(OFDM)符号(从而产生多 4 倍的子载波),使速度提高了 11%,并改善了网络覆盖。

此外,160 兆赫的信道宽度(高于 802.11ac 的 80 兆赫)使设备与路由器之间的连接速度更快。这反过来又减少了串流时可能出现的延迟或缓冲。

以前的 802.11ac 信道无法利用 OFDMA 技术,而 Wi-Fi 6 则利用了这一功能,利用路由器同时向多个设备传输数据包和数据,而不会造成拥塞或降低整个网络的速度。这意味着用户的上传和下载速度更快。在此基础上,Wi-Fi 6 的 8x8 MU-MIMO 功能允许连接的用户利用多达 8 个上传或下载流,而带宽质量不会明显下降。

Wi-Fi 6 的市场潜力

Wi-Fi 6 在地理覆盖范围和资本收益方面都具有巨大的市场潜力。

  • 2022 年的市场规模为 115.9 亿美元,2022-2027 年的复合年增长率(CAGR)为 17.9%,最终将达到 262 亿美元(2022 年亚太地区占全球市场收入的 31%)。
  • 这一增长背后的主要市场驱动力是互联网用户数量的增加,这最终要求网络能够在拥挤的环境中保持速度和可靠性。
  • 此外,随着流媒体整体质量的提高(如分辨率),对 Wi-Fi 网络的要求也会越来越高,要求其能够促进流媒体质量的提高。
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市场增长的主要制约因素是同信道干扰和争用丢失。争用损失是指多个客户端加入一个接入点时出现的网络性能低下。当多个接入点使用相同的射频(RF)信道时,共信道干扰会影响彼此的网络性能。

在亚太地区、北美和欧洲等 Wi-Fi 基础设施十分发达的地区,这些问题十分普遍。在这些地区进一步整合 Wi-Fi 网络可能会加剧这些问题,并引起人们对新接入点扩散和用户分布的关注。

Wi-Fi 6 与 Wi-Fi 6e,有什么区别?

标准 Wi-Fi 6 与 Wi-Fi 6 扩展(6E)的主要区别在于,6E 为有能力使用它的设备开辟了一条众所周知的 "快车道",从而使整体延迟更低,速度更快。支持 Wi-Fi 6 的设备能够在 6 GHz 频段内快速传输数据,同时受益于网络本身没有传统设备的干扰。在组织层面,Wi-Fi 6E 提供了增强的安全措施,确保网络传输安全。Wi-Fi 联盟规定,所有 Wi-Fi 6E 设备都必须受到 Wi-Fi Protected Access 3 (WPA3) 的保护,以确保网络分类下接入点的通用安全性。
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在工业环境中的应用

由于 Wi-Fi 6 在速度、可靠性和安全性方面都有显著提高,因此它在工业应用领域的前景十分广阔。在供应链和制造领域,Wi-Fi 6 通过加强远程复杂维护和诊断的能力,提高了透明度和安全性。Wi-Fi 6 利用正交频分多址(OFDMA)技术,使多个用户可以同时访问信道,而不会降低性能。在这种工业环境中,这意味着具有不同带宽需求的多个用户能够同时利用 Wi-Fi 6 接入点 (AP) 的全速。

工业环境还将受益于 Wi-Fi 6 的传输技术:波束成形。虽然上一代网络技术也采用了波束成形技术,但 Wi-Fi 6 将可供用户同时访问的数据流数量增加了两倍(从四个增加到八个)。在工业环境中,这将大大增加用户的总体带宽。

Wi-Fi 的下一步是什么?

Wi-Fi 7 也称为 802.11be,预计将成为继 Wi-Fi 6(802.11ax)之后的下一代 Wi-Fi 技术。Wi-Fi 7 的开发有望在 Wi-Fi 6 和 6E 的基础上实现重大改进,速度最多可提高四倍。它可在所有三个行业标准频段(2.4 千兆赫、5 千兆赫和 6 千兆赫)工作,以充分利用频谱资源。Wi-Fi 6 是为应对全球日益增长的设备数量而建立的,而 Wi-Fi 7 的目标则是以更高的效率为每台设备提供惊人的速度。它还包括减少延迟、增加容量、提高稳定性和效率的巧妙进步。

Wi-Fi 7 将带来哪些好处?

  • 更高的数据速率:与 Wi-Fi 6 相比,Wi-Fi 7 的目标是提供更高的数据传输速率,满足人们对更快、更可靠的无线连接日益增长的需求。这是通过先进的调制和编码技术实现的。
  • 提高频谱效率:Wi-Fi 7 的设计旨在更有效地利用可用的无线电频谱,从而在设备密度较高的环境中实现更好的性能。
  • 增强型 MU-MIMO(多用户、多输入、多输出): MU-MIMO 技术允许多个设备同时与路由器通信,从而提高了整体网络效率。Wi-Fi 7 预计将进一步完善和增强这一功能。
  • 的信道带宽:Wi-Fi 7 支持更宽的信道带宽,可实现更快的数据传输。Wi-Fi 6E 的信道带宽可达 160 MHz。Wi-Fi 7 支持高达 320 MHz 的信道。这可以提高性能,尤其是在需要更高的数据传输速率的情况下。
  • 更高的 QAM:正交调幅(QAM)是一种在无线电波中传输和接收数据的方法。QAM 越高,可包含的信息就越多。Wi-Fi 7 支持 4K-QAM,而 Wi-Fi 6 支持 1024-QAM,Wi-Fi 5 甚至进一步限制为 256-QAM。
  • 可靠性更高:新标准可能会包含一些机制来减少干扰,确保即使在拥挤的无线环境中也能实现更稳定可靠的连接。
  • 向后兼容性:与以前的 Wi-Fi 标准一样,Wi-Fi 7 预计将向后兼容旧的 Wi-Fi 设备,允许它们连接到 Wi-Fi 7 路由器,尽管速度较低。
  • 安全性增强:Wi-Fi 7 可能包括更新的安全功能,以应对不断发展的网络安全威胁和漏洞。
  • 物联网和智能设备支持:Wi-Fi 7 预计将为日益增多的物联网(IoT)设备提供更好的支持,这些设备通常具有独特的连接要求。
  • 能源效率:虽然不像蜂窝技术那样明显,但 Wi-Fi 7 可能会引入节能功能,以延长某些情况下的设备电池寿命。

与前几代产品有何不同?

Wi-Fi 6 Wi-Fi 6E Wi-Fi 7
推出日期 2019 2021 2024(预计)
IEEE 标准 802.11ax 802.11ax 802.11be
最大数据传输速率 9.6 Gbps 9.6 Gbps 46 Gbps
频段 2.4 千兆赫,5 千兆赫 2.4千兆赫,5千兆赫,6千兆赫 2.4千兆赫,5千兆赫,6千兆赫
通道大小 20, 40.80、80+80、160MHz 20、40、80、80+80、160 兆赫 最高 320 兆赫
调制 1024-QAM OFDMA 1024-QAM OFDMA 4096-QAM OFDMA
MAC / / MLO
来源:TP LinkTP Link

MLO 技术

Wi-Fi 7 将引入多链路操作(MLO)技术,允许设备通过多个无线电频段同时发送和接收数据,以创建一个单一的聚合连接。这将提供更快的吞吐性能。
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Wi-Fi 7 的市场潜力

  • 2023 年,Wi-Fi 7 市场规模估计为 10 亿美元,预计到 2030 年将达到 242 亿美元,2023-2030 年的复合年增长率为 57.2%。
  • 物联网(IoT)应用的不断增加是市场增长的主要驱动力。
  • 预计在预测期内,北美将保持最高的增长率。
  • 高昂的安装成本和频谱拥堵是 Wi-Fi 7 市场面临的重大挑战。

不同行业的应用

  • 商业
  • 媒体和娱乐
  • 智能家居
  • 智能城市
  • 医疗保健
  • 公共安全
  • 教育机构

近期发展

  • 2022 年 12 月。罗德与施瓦茨公司(Rohde & Schwarz)与博通公司(Broadcom)合作,宣布推出针对博通 Wi-Fi 7 芯片组的自动测试解决方案。
  • 2023 年 1 月。联发科在 2023 年 CES 上推出了 Consumer-Ready Wi-Fi 7 产品类别,包括住宅网关、网状路由器、电视、流媒体设备等。
  • 2023 年 3 月,Lounea 与 TP-Link 合作,成为芬兰首家为家庭无线网络提供 Wi-Fi 7 标准的 Wi-Fi 7 运营商。

相关安费诺产品

安费诺射频公司已开发出多种高带宽接口,其数据传输速率足以应对下一代 Wi-Fi 技术。新的 Wi-Fi 技术要求连接器和电缆组件能够以更小的尺寸、更快的速度传输更多的数据。

2.2-54.3-10接口是 Wi-Fi 应用的理想选择,因为它们是重量轻、坚固耐用且设计更小的连接器。传统的7-16连接器特别可靠且耐候性强,是专为需要耐用性以抵御恶劣环境的无线基础设施应用而设计的完美解决方案。TNC 有 IP67 防水版本,也支持可靠性更高的下一代 Wi-Fi。

还有一些特殊产品,如HD-EFIHD-AFI,它们都是超紧凑型接口设计。这些产品虽然尺寸较小,但却能支持 Wi-Fi 应用,即使在拥挤的环境中也能实现稳定可靠的连接。

最后,Amphenol RF 的高性能系列SMASMPSMPM支持更宽的信道带宽,从而实现更高的数据传输。

对于完整的解决方案,专为智能手机和平板电脑等物联网设备设计的射频天线有多种外部和内部配置,包括嵌入式芯片和 PCB 版本。

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Amphenol RF's Internal FPC and PCB RF Antennas are designed for IoT, Wi-Fi, and LTE applications, featuring dual-band, multi-band, and wide-band options with secure adhesive mounting for easy installation. These low-profile antennas offer reliable RF performance and are ideal for use in compact devices such as smart speakers, tablets, security cameras, and navigation systems.
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Amphenol RF's Internal NFC Antennas operate at 13.56 MHz, supporting NFC-Forum protocols for short-range data transfer, ideal for compact IoT applications like smartphones, tablets, and payment systems. These antennas are available with adhesive mounts, with or without cables, and are designed for easy installation in devices requiring NFC capabilities.
Internal NFC Antennas
Amphenol RF's Internal NFC Antennas operate at 13.56 MHz, supporting NFC-Forum protocols for short-range data transfer, ideal for compact IoT applications like smartphones, tablets, and payment systems. These antennas are available with adhesive mounts, with or without cables, and are designed for easy installation in devices requiring NFC capabilities.
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Amphenol RF's Internal Embedded RF Antennas are compact, SMT-mounted ceramic chip antennas supporting frequencies up to 8.5 GHz, suitable for IoT devices, Bluetooth speakers, and medical devices. These antennas offer reliable RF performance for protocols like 4G/5G, Wi-Fi, Bluetooth, and GNSS, making them ideal for compact consumer and industrial applications.
Embedded Chip Antennas
Amphenol RF's Internal Embedded RF Antennas are compact, SMT-mounted ceramic chip antennas supporting frequencies up to 8.5 GHz, suitable for IoT devices, Bluetooth speakers, and medical devices. These antennas offer reliable RF performance for protocols like 4G/5G, Wi-Fi, Bluetooth, and GNSS, making them ideal for compact consumer and industrial applications.
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The infographic "Navigating Connectivity in Smart Homes" by Amphenol RF showcases various antenna types and their applications in smart home environments.
IoT Antennas in Smart Homes Infographic
The infographic "Navigating Connectivity in Smart Homes" by Amphenol RF showcases various antenna types and their applications in smart home environments.
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The Amphenol RF Home Automation Solutions Overview highlights RF interconnect solutions designed for smart home applications. It showcases high-performance connectors and cable assemblies that enable reliable wireless connectivity for home security, smart lighting, and automation systems.
Home Automation Solutions
The Amphenol RF Home Automation Solutions Overview highlights RF interconnect solutions designed for smart home applications. It showcases high-performance connectors and cable assemblies that enable reliable wireless connectivity for home security, smart lighting, and automation systems.
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The Amphenol RF Antenna Solutions Overview provides an in-depth look at a wide range of high-performance antennas designed for wireless applications. It highlights key features, including compact designs, high-frequency capabilities, and compatibility with various RF interconnect solutions for seamless connectivity across industries.
Antenna Solutions for Wireless Applications
The Amphenol RF Antenna Solutions Overview provides an in-depth look at a wide range of high-performance antennas designed for wireless applications. It highlights key features, including compact designs, high-frequency capabilities, and compatibility with various RF interconnect solutions for seamless connectivity across industries.
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Intelligent solutions for a connected world.
Smart Cities Solutions Guide
Intelligent solutions for a connected world.
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Learn More: http://mou.sr/amphenol-rf-hd-efi-connectors-NPB-YT

Amphenol RF HD-EFI Series Micro-Miniature Interface Connectors are designed to allow large board tolerance stack ups, blind mating, and multiple RF lines.

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Amphenol RF HD-EFI Series Micro-Miniature Interface Connectors — New Product Brief | Mouser
Learn More: http://mou.sr/amphenol-rf-hd-efi-connectors-NPB-YT Amphenol RF HD-EFI Series Micro-Miniature Interface Connectors are designed to allow large board tolerance stack ups, blind mating, and multiple RF lines. See the NEWEST Products: http://mou.sr/MouserNew-yt Subscribe to our Newsletter: http://mou.sr/MouserSignup-yt Like us on Facebook: https://www.facebook.com/mouserelectronics Follow us on Twitter: https://www.twitter.com/MouserElec (Americas) Follow us on Twitter: https://www.twitter.com/MouserElecEU (Europe) Follow us on LinkedIn: https://www.linkedin.com/company/26041/
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RF devices are an integral part of everyday life and are instrumental to the operation of base stations antennas, telecom wireless data networks, test labs, radar and microwave systems. 
 Amphenol RF produces a full range of SMA connectors for these and other applications which
are available with a variety of body materials including brass, stainless steel and beryllium copper. Body finishes are available as passivated gold, nickel and white bronze. Amphenol's durable
design offers a minimum of 500 mating cycles and are rated for frequencies from DC up to 26.5 gigahertz. PCB versions are also available for surface mount, through-hole and in launch. To
learn more or purchase Amphenol RF SMA connectors click the link in the description below.

Amphenol RF high frequency SMA end launch connectors offer excellent VSWR performance up to 26.5 GHz. These connectors feature an optimized end launch design with either through-hole legs or traditional slide-on mounting legs that make them an ideal PCB connector solution for high frequency applications.

Learn More: https://goo.gl/gBqjEY
Component360: Amphenol RF SMA Connectors
RF devices are an integral part of everyday life and are instrumental to the operation of base stations antennas, telecom wireless data networks, test labs, radar and microwave systems. Amphenol RF produces a full range of SMA connectors for these and other applications which are available with a variety of body materials including brass, stainless steel and beryllium copper. Body finishes are available as passivated gold, nickel and white bronze. Amphenol's durable design offers a minimum of 500 mating cycles and are rated for frequencies from DC up to 26.5 gigahertz. PCB versions are also available for surface mount, through-hole and in launch. To learn more or purchase Amphenol RF SMA connectors click the link in the description below. Amphenol RF high frequency SMA end launch connectors offer excellent VSWR performance up to 26.5 GHz. These connectors feature an optimized end launch design with either through-hole legs or traditional slide-on mounting legs that make them an ideal PCB connector solution for high frequency applications. Learn More: https://goo.gl/gBqjEY
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Amphenol RF offers a cutting-edge range of board-to-board RF connectors, designed for seamless high-frequency signal transmission. These connectors are essential for applications in 5G, IoT, automotive, aerospace, and industrial automation, ensuring reliable and high-performance connectivity in compact designs.

🔹 Key Benefits:
✔️ High-frequency performance
✔️ Secure and durable connections
✔️ Compact & versatile for modern PCB designs

Watch this short to see how Amphenol RF’s board-to-board connectors optimize signal integrity across industries!

📌 Learn more: https://www.amphenolrf.com/board-to-board-rf-connectors
🔔 Subscribe for more RF solutions! #AmphenolRF #RFConnectors #PCBDesign #5G #IoT
Amphenol RF Board-to-Board Connectors: Reliable High-Frequency Solutions!
Amphenol RF offers a cutting-edge range of board-to-board RF connectors, designed for seamless high-frequency signal transmission. These connectors are essential for applications in 5G, IoT, automotive, aerospace, and industrial automation, ensuring reliable and high-performance connectivity in compact designs. 🔹 Key Benefits: ✔️ High-frequency performance ✔️ Secure and durable connections ✔️ Compact & versatile for modern PCB designs Watch this short to see how Amphenol RF’s board-to-board connectors optimize signal integrity across industries! 📌 Learn more: https://www.amphenolrf.com/board-to-board-rf-connectors 🔔 Subscribe for more RF solutions! #AmphenolRF #RFConnectors #PCBDesign #5G #IoT
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The Future of RF Connectors for DOCSIS 4.0 and Beyond

The introduction of NDX, a new futureproof RF connector explicitly designed for DOCSIS 4.0 networks and the trend for consumer-facing self-installations.

This presentation will explore the need to supplant the venerable Type F connector in order to improve robustness, reduce the total cost of ownership, and provide high performance for 10G and beyond.

Learn more about us at amphenolbroadband.com
SCTE Expo Imagine Zone - The Future of RF Connectors: 10G and Beyond
The Future of RF Connectors for DOCSIS 4.0 and Beyond The introduction of NDX, a new futureproof RF connector explicitly designed for DOCSIS 4.0 networks and the trend for consumer-facing self-installations. This presentation will explore the need to supplant the venerable Type F connector in order to improve robustness, reduce the total cost of ownership, and provide high performance for 10G and beyond. Learn more about us at amphenolbroadband.com
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Learn more about Amphenol RF's board-to-board and automotive solutions with Amphenol RF Asia product manager, Isabella Zhang.

Board-to-board solutions: https://www.amphenolrf.com/board-to-board-rf-connectors
Automotive Solutions: https://www.amphenolrf.com/automotive

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https://www.linkedin.com/company/amphenol-rf/mycompany/ 
https://www.twitter.com/AmphenolRF

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https://www.amphenolrf.com
Amphenol RF Technical Demonstration Series: Board-to-Board and Automotive Solutions
Learn more about Amphenol RF's board-to-board and automotive solutions with Amphenol RF Asia product manager, Isabella Zhang. Board-to-board solutions: https://www.amphenolrf.com/board-to-board-rf-connectors Automotive Solutions: https://www.amphenolrf.com/automotive Check us out on social media: https://www.facebook.com/officialAmphenolRF https://www.linkedin.com/company/amphenol-rf/mycompany/ https://www.twitter.com/AmphenolRF Our Website: https://www.amphenolrf.com
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View full article: https://www.allaboutcircuits.com/new-industry-products/amphenol-efi-series-micro-miniature-interface-connectors-new-product-brief/

Amphenol RF HD-EFI Series Micro-Miniature Interface Connectors is a three-piece interconnect system for board-to-board connections with large board tolerances, blind mating, and multiple RF connections, such as wireless base station equipment, backplane designs, and complex PCB stackups. For more information, as well as all the latest All About Circuits projects and articles, visit the official website at http://www.allaboutcircuits.com/

Check out Mouser's profile on All About Circuits and see more
product briefs and articles at https://www.allaboutcircuits.com/author/mouser-electronics

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Amphenol RF HD-EFI Series Micro-Miniature Interface Connectors | New Product Brief
View full article: https://www.allaboutcircuits.com/new-industry-products/amphenol-efi-series-micro-miniature-interface-connectors-new-product-brief/ Amphenol RF HD-EFI Series Micro-Miniature Interface Connectors is a three-piece interconnect system for board-to-board connections with large board tolerances, blind mating, and multiple RF connections, such as wireless base station equipment, backplane designs, and complex PCB stackups. For more information, as well as all the latest All About Circuits projects and articles, visit the official website at http://www.allaboutcircuits.com/ Check out Mouser's profile on All About Circuits and see more product briefs and articles at https://www.allaboutcircuits.com/author/mouser-electronics For more new products at Mouser, visit https://www.mouser.com/new/ Don't have AAC account yet? Register here for free, and always will be. https://forum.allaboutcircuits.com/register Subscribe on YouTube: https://www.youtube.com/c/AllAboutCircuitsVideo Like us on Facebook: https://www.facebook.com/allaboutcircuits Follow us on Twitter: https://twitter.com/AllAboutCircuit Follow us on LinkedIn: https://www.linkedin.com/company/allaboutcircuits
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View full article: https://www.allaboutcircuits.com/new-industry-products/amphenol-rf-connectors-for-low-loss-cables-tech-specs/

Amphenol RF offers SMA, TNC, and N-Type connectors that have been redesigned and optimized for use with low loss cabling. They offer improved grounding, enhanced shielding, and low return loss from DC to 6GHz. The connectors are available in straight jack, bulkhead jack, straight plug, and right-angle plug configurations, with options for 195, 240, and 400 series low loss cable. For more information, as well as all the latest All About Circuits projects and articles, visit the official website at http://www.allaboutcircuits.com/

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Amphenol RF Connectors for Low Loss Cables | Tech Specs
View full article: https://www.allaboutcircuits.com/new-industry-products/amphenol-rf-connectors-for-low-loss-cables-tech-specs/ Amphenol RF offers SMA, TNC, and N-Type connectors that have been redesigned and optimized for use with low loss cabling. They offer improved grounding, enhanced shielding, and low return loss from DC to 6GHz. The connectors are available in straight jack, bulkhead jack, straight plug, and right-angle plug configurations, with options for 195, 240, and 400 series low loss cable. For more information, as well as all the latest All About Circuits projects and articles, visit the official website at http://www.allaboutcircuits.com/ Check out TTI, INC's profile on All About Circuits and see more technical articles they created at https://www.allaboutcircuits.com/author/tti-inc TTI, Inc's website: https://www.ttiinc.com/content/ttiinc/en.html Don't have AAC account yet? Register here! It's free and always will be. https://forum.allaboutcircuits.com/register Subscribe on YouTube: https://www.youtube.com/c/AllAboutCircuitsVideo Like us on Facebook: https://www.facebook.com/allaboutcircuits Follow us on Twitter: https://twitter.com/AllAboutCircuit Follow us on LinkedIn: https://www.linkedin.com/company/allaboutcircuits
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