Coaxial cable also called coax is one type of network cables with an inner conductor surrounded by an insulated layer and a conductive shielding and used to convey data, video and voice.
Coaxial cable types (common):
1- RG (Radio Guide): RG stands for Radio Guide (Radio Frequency cable (RF)) and the number after the letter indicates the diameter in inches.
- RG-6 (75 Ω, 18 AWG, solid)
- RG-8 (50 Ω, 10/12 AWG, solid)
- RG-11 (75 Ω, 14 AWG)
- RG-12
- RG-58 (50 Ω, 20/24 AWG, stranded)
- RG-59 (75 Ω, 20/22 AWG, solid)
- RG-62
- RG-174 (50 Ω, 26 AWG)
- RG-178 (50 Ω, 30 AWG)
- RG-213
- RG-316 (50 Ω, 26 AWG)
2- LMR
- LMR-100
- LMR-195
- LMR-200
- LMR-240
- LMR-400
- LMR-600
Note: The number after the letter (LMR) indicates the outer diameter in inches.
Coaxial cable based on the core type:
Coaxial cable based on impedance:
- 50 Ω (ohm): for data and wireless communications
- 75 Ω (ohm): for video signals
Coaxial cable parts:
- Center conductor (typically a copper wire)
- Inner dielectric insulator
- Metallic shield (Copper braid)
- Outer plastic sheath (jacket)
Coax connector shapes:
- Male: with pin
- Female: with hole
- Male RP (Reverse Polarity): with hole
- Female RP (Reverse Polarity): with pin
Common connectors for coaxial cables:
- BNC (Bayonet Neil-Concelman)
- 50 / 75 Ω
- Up to 4 GHz
- Male/Female/RP Male/RP Female
- TNC (Threaded Neil-Concelman)
- 50 / 75 Ω
- Up to 12 GHz
- Male/Female/RP Male/RP Female
- Threaded
- Weatherproof
- F-type
- Male/Female
- RG59 / RG6 / RG11
- N-type
- 50 / 75 Ω
- Up to 18 GHz
- Male/Female/RP Male/RP Female
- DIN / Mini DIN
- 50 / 75 Ω
- Up to 10 GHz / 4GHz
- 0/2.3, 4.1/9.5, 4.3/10, 7/16
- UHF (Ultra high frequency) / min UHF
- 50 Ω
- Male: PL-259 / Female:SO-239
- RG8 / RG58 / LMR
- SMA (SubMiniature version A)
- 50 Ω
- Up to 24 GHz
- Male/Female/RP Male/RP Female
- Threaded
- RG58
- SMB (Subminiature version B)
- 50 Ω
- Up to 4 GHz
- Male/Female
- Threaded
- RG58
- SMC (Subminiature version C)
- SMP (Subminiature push-on)
- SHV (Safe High Voltage)
- QMA (quick-locking SMA)
- 50 Ω
- Up to 24 GHz
- Male/Female/RP Male/RP Female
- Threaded
- RG58
- Quick locking
- FME (For Mobile Equipment)
- MBX
- MC (Microcoaxial)
- MCX (Micro Coaxial Connector)
- MMBX
- MMCX (Micro Miniature Coaxial)
- NMO
- OSP
- OSMT
- Triax
- Twinax
- TS-9
- QMC
- PAL (Phase Alternating Line)
- RCA (Radio Corporation of America)
- QLI
- QN
- UMCC
Note: Follow the advice of network equipment suppliers when choosing connectors.
Related standards
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