| 1 | SMA | 50 Ω | DC–18 GHz
(common standard versions) | Threaded screw coupling | RF test cables, antennas, wireless modules, instrumentation, and microwave assemblies | Indoor equipment, laboratory systems, and protected outdoor assemblies | IP rating depends on assembly | High-frequency performance and secure mechanical retention |
| 2 | BNC | 50 Ω or 75 Ω | DC–4 GHz
(typical versions) | Bayonet twist-lock | Oscilloscopes, test instruments, video systems, control equipment, and general RF cables | Indoor benches, control cabinets, and moderate-duty field connections | IP rating depends on sealed version | Fast connection with broad global availability |
| 3 | TNC | 50 Ω | DC–11 GHz
(typical versions) | Threaded screw coupling | Mobile radios, antennas, navigation equipment, and vibration-sensitive RF systems | Outdoor, mobile, and high-vibration installations | Often available in weather-resistant versions | Better vibration resistance than bayonet-style interfaces |
| 4 | Type N | 50 Ω or 75 Ω | DC–11 GHz
(common 50 Ω versions) | Threaded screw coupling | Base-station antennas, wireless infrastructure, feeder cables, and outdoor RF equipment | Outdoor towers, rooftops, industrial sites, and demanding field installations | Sealed versions commonly available | Robust construction and good environmental sealing potential |
| 5 | 7/16 DIN | 50 Ω | DC–7.5 GHz
(typical versions) | Large threaded screw coupling | High-power mobile infrastructure, broadcast systems, and large feeder cables | Outdoor towers, high-power transmit sites, and harsh industrial locations | Commonly supplied with weatherproof sealing | High power handling, low passive intermodulation potential, and ruggedness |
| 6 | SMB | 50 Ω or 75 Ω | DC–4 GHz
(typical versions) | Snap-on push coupling | Internal equipment wiring, GPS modules, telecommunications hardware, and compact RF assemblies | Protected indoor equipment and space-constrained enclosures | Generally requires enclosure protection | Compact size and quick installation |
| 7 | SMC | 50 Ω | DC–10 GHz
(typical versions) | Threaded screw coupling | Avionics, industrial controls, measurement equipment, and compact RF modules | Indoor, mobile, and vibration-prone equipment where a small threaded connector is preferred | Usually requires enclosure protection | Small footprint with stronger retention than snap-on types |
| 8 | MCX | 50 Ω or 75 Ω | DC–6 GHz
(typical versions) | Snap-on push coupling | Navigation devices, vehicle electronics, wireless modules, and miniature coaxial cables | Compact indoor equipment and protected automotive or portable systems | Typically needs enclosure or cable sealing | Small size with practical high-frequency capability |
| 9 | MMCX | 50 Ω | DC–6 GHz
(typical versions) | Snap-on push coupling with rotational freedom | Wearable electronics, compact navigation products, embedded wireless devices, and miniature cable assemblies | Highly space-constrained indoor or enclosed electronic products | Requires product-level environmental protection | Very compact interface for embedded RF designs |
| 10 | F-Type | 75 Ω | DC–1 GHz
(common versions; higher-frequency variants exist) | Threaded screw coupling; center conductor commonly formed by the cable | Cable television, satellite reception, broadband distribution, and 75 Ω coaxial networks | Residential, commercial, and protected outdoor broadband installations | Outdoor compression and sealing versions available | Low-cost installation for 75 Ω distribution systems |
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