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Markertek has delivered the world's largest selection of BNC connectors and adapters for over 30 years. BNC connectors are designed for today's demanding needs, including 12G-SDI, in applications ranging from studio installs to live stadium events. We have BNC connectors from Amphenol, Canare, Kings, ADC and Trompeter.

What is a BNC Connector?
Originally built for military use, and short for Bayonet Neill-Concelman (i.e. the bayonet design and the two inventors), BNC is a type of coaxial cable for RF connections. It is designed with two bayonet lugs for quick quarter turn connect/disconnect and used in critical applications where accidental disconnect is minimized. BNC cables are often used with radio-frequency electronics, audio recording equipment, aviation, antennas and other professional equipment.

Common Types of BNC Connectors
There are two common BNC types in the broadcast industry: 50Ω and 75Ω. Typically, the 75Ω cable has a smaller dielectric, and the connector housing has different dimensions than the 50Ω version. 50Ω connectors are designed to be used up to 4 GHz, while 75Ω cables are intended for 2 GHz or less.

Can I Use 50 and 75 Ohm Cables Together?
BNC connectors are compatible with each other, even if they have a different electrical resistance. The 50Ω and 75Ω versions comply with IEC standards, which means they can mate with no adverse effects.

What is a Reverse Polarity BNC?
Typically, this cable variation switches the female contact to the plug, and the male contact to the jack. These non-standard cables are often used to connect W-LAN components.

To learn more about our BNC connectors, call us toll-free at 800-522-2025 or chat with us live. We offer free shipping on orders over $49!

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Canare BCP-B26 3-Piece Crimp Plug BNC Connector for Belden 1855A Coax - 75 Ohm - 100 Pack

Canare BCP-D33UHD 12G-SDI 4K UHD Crimp Plug BNC Connector for Canare L-3.3CUHD - 75 Ohm - 100 Pack

Canare BCP-D55UHD 12G-SDI 4K UHD Crimp Plug BNC Connector for Canare L-5.5CUHD - 75 Ohm - 100 Pack

Canare BCP-A25F 3-Piece Crimp BNC Connector for Canare L-2.5CFB or Belden 1855A

Canare BCP-B4F 3 Piece BNC Crimp Plug for L-4CFB/ L-4CHD/ 1505A - 75 Ohm - 100 Pack

Canare BCP-B25HD BNC Crimp Plug for L-2.5CHD Cable - 75 Ohm - 100 Pack

Canare BCP-B53 BNC Crimp Plug for L-4.5CHD 1694A - 75 Ohm - 100 Pack

Canare BCP-A4 3-Piece Crimp BNC Connector for Canare LV-61S & Belden 8241 / 8279 - 75 Ohm - 100 pk

Canare BCP-A42 3-Piece Crimp BNC Connector for Belden 1505F - 75 Ohm - 100 Pack

Canare BCP-B5F BCP-B Series BNC Connector for L-5CFB and LS-5CFB

Canare BCP-D55UHW Crimp Plug 12G BNC Connector for Canare L-5.5CUHWS 12G Coax

Canare BCJ-JRUDK 12G-SDI 75 Ohm Female to Female Barrel BNC Connector - Flush-Mount Neutrik D Panel Receptacle

Canare BJ-JRUD 50 Ohm BNC Receptacle/ Recessed Bulkhead/ NEUTRIK D Type

Canare BCP-B31F 75 Ohm BNC Crimp Plug for L-3CFW

Canare BCP-B25HW 75 Ohm BNC Crimp Connector for L-2-5CHW cable

Canare BCP-A55 BNC Crimp Connector for use with Belden 1695A 87120 89120 9116P - 75 Ohm - 100 Pack

Canare BJ-JR 50 Ohm BNC Bulkhead Receptacle Female to Female Barrel - Panel Mount

Canare BCP-B51F 75 Ohm BNC Crimp Plug for L-5CFW

Canare BCP-A3 3-Piece Crimp BNC Connector for use with Canare V-3C / A2V1 / A2V2-L

Canare BCP-C1 BNC Crimp Plug for Canare L-1.5C2VS or V3-1.5C Coax

Canare BCP-A77 BNC Crimp Connector for Canare LV-77S or Belden 8281F

Canare BCP-VA3 BNC Crimp Plug for Canare V3-3C -V4-3C - V5-3C Cablling

Canare BCP-B45HW BNC Connector for L-4.5CHWS Series Cable - 75 Ohm - 100 Pack

Canare BCP-LC5F 75 Ohm Right Angle BNC Connector

Canare BCP-A5 75 Ohm 3-Piece Crimp BNC Connector for use with Canare V-5C

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