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There are many types of RF and microwave connectors
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| Name | Description | Size | Frequency Range | Impedance | Application |
| Micro-Miniature | MMCX | Micro-miniature coaxial (MMCX) connectors feature a more robust interface for greater durability. | Micro-miniature - smaller than MCX | 6GHz | 50Ω | Ideal for high volume, wireless SMT or PCMCIA applications in cellular base stations, cellular phones and personal communicators. MMCX connectors are also used in global positioning systems (GPS) and wireless LAN (WLAN) applications. |
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| Name | Description | Size | Frequency Range | Impedance | Application |
| Sub-Miniature | 1.0 / 2.3 | 1.0 / 2.3 coaxial connectors require sub-miniature 50Ω slide-on or screw-on connectors. |
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| 50 Ω and 75Ω | Designed telecommunications systems |
| MCX | Miniature coaxial (MCX) provide good electrical performance and are used to address the rapid implementation of the U.S. digital cellular PCN infrastructure. | Miniature | Provide broadband capability through 6 GHz | 50 Ω and 75Ω | Used in applications where weight and physical space are limited. MCX connectors are also used in global positioning systems (GPS) and wireless LAN (WLAN) applications. | |
| SSMB | Sub-SMB (SSMB) connectors are 30% smaller than SMB connectors. | 30% smaller than SMB connectors | 35GHz | 50Ω | Well-suited for board-to-board applications and are designed for use with semi-rigid cables. | |
| SMA | Subminiature-A (SMA) directly interface the cable dielectric without air gaps. They are not intended for permanent connections. |
| DC to 18GHz | 50Ω | SMA connectors are intended for use on semi-rigid cables in components. | |
| SMC | Subminiature C (SMC) connectors accept flexible cables with diameters as large as 3.17 mm or 0.125". | Smaller than SMA connectors | 7 to 10 GHz. | 50Ω or 75Ω devices | Base stations, telecom, GPS, radios, WLAN, automotive | |
| SMB | Subminiature-N (SMB) connectors are snap-mount connectors. |
| DC to 4GHz. | Either in 50Ω or 75Ω impedances. | Base stations, telecom, GPS, radios, WLAN, automotive | |
| SSMA | Sub-SMA (SSMA) connectors are 30% smaller than standard SMA connectors. | Miniaturized SMA |
| 50Ω | Military radio | |
| BMA / BMMA | BMA connectors feature a push-on interface and a threadless outer ground connection. They can withstand both radial and axial misalignment. | Miniature BMA connectors. | 0 – 22GHz | 50Ω | Equipment racks and modular instrumentation | |
| QMA | QMA connectors are quick-disconnecting devices that have the same internal construction as SMA connectors. |
| Up to 6GHz |
| Wireless applications | |
| Type F | Type F connectors have a screw-type coupling. |
| Up to 1.5 GHz. | 75Ω | Applications include CATV, TV, and antennas. | |
| Type G | Type G connectors are 75Ω impedance devices with snap-on coupling. |
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| 75Ω | Well-suited for CATV applications |
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| Name | Description | Size | Frequency Range | Impedance | Application |
| Miniature | BNC | Bayonet Neil-Councilman (BNC) BNC connectors have a slotted outer conductor and a plastic dielectric that causes increasing losses at higher frequencies. Both 50Ω and 75Ω BNC connectors are available. BNC connectors are also known as bayonet navy connectors or baby Neil connectors. |
| Usable above 4 GHz as long as the slots radiate signals; however, these devices may not be mechanically stable to 10 GHz. | 50Ω and 75Ω | Designed for military applications, but are used widely in video and RF applications up to 2 GHz. |
| MHV | MHV connectors are compact, high-voltage devices with a two-stud bayonet coupling. | Similar in size to, but not interchangeable with, BNC connectors. |
| NM |
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| Mini-UHF | Mini-UHF connectors feature a threaded coupling mechanism for reliable mating. With crimp cable termination for low installation costs, these connectors provide excellent RF performance in applications through 2.5 GHz. | Miniature version of the original UHF connector. | Through 2.5 GHz |
| Designed for use in cellular mobile telephone systems where size, weight and cost are critical. | |
| TNC | Threaded Neil-Concelman (TNC) connectors feature a threaded coupling nut for applications that require performance to 11 GHz. TNC connectors are durable, reliable devices. | Similar in size to BNC connectors | 11 GHz | 50Ω and 75Ω | Widely used in the cellular and mobile communication industry for equipment cabling and antenna interfaces. |
March 20, 2025
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June 15, 2023
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