RG58 cable

Cable

RG58

FME MALE

End A

FME MALE

$2.00

TNC MALE

End B

TNC MALE

$1.00

50 Ohm DC – 1 GHz

RG58 — FME MALE to TNC MALE

Custom RG58 cable assembly with FME MALE and TNC MALE connectors. Every cable is hand-assembled, tested, and ships free.

Length Price
1 ft $15.98
6 ft $20.98
25 ft $39.98
50 ft $64.98
100 ft $114.98
250 ft $264.98
Need a different length? Use the Cable Builder

Specs Summary

CableRG58
Diameter.195 INCH
Impedance50 Ohm
FrequencyDC – 1 GHz
Velocity Factor66%
FME MALE InterfaceFME threaded
TNC MALE InterfaceTNC threaded (MIL-STD-348)

About This Assembly

RG58 Cable

RG-58 is a classic flexible 50-ohm coaxial cable with a 0.195" outer diameter, offering an excellent balance of flexibility and performance at a low cost. Its braided shield provides good EMI rejection and its thin profile makes it easy to route through tight spaces. Common applications include amateur radio, CB radio, networking equipment connections, and general-purpose RF jumpers up to 25 feet.

FME Connector

FME (For Mobile Equipment) is a miniature threaded RF connector designed for mobile and vehicle-mounted antenna applications, particularly at GSM, CDMA, and FM frequencies. Its small size and robust threaded coupling make it common on vehicle-mount antenna mounts, cellular signal boosters, and mobile broadband modems.

TNC Connector

TNC (Threaded Neill–Concelman) is the threaded version of BNC, offering improved performance up to 11 GHz and better vibration resistance through its screw coupling. It is commonly used in mobile radio antennas, avionics, and outdoor installations where BNC's bayonet lock would not provide sufficient mechanical security.

Common Applications

This FME and TNC cable assembly is well suited for amateur radio, CB radio, and general-purpose RF patch cables. The combination of reliable FME and TNC connectors and custom-cut cable length makes it a practical choice for both field installations and bench setups. Every assembly is hand-terminated, continuity tested, and ships free within the USA.

RG58 Signal Loss

Approximate attenuation at common RF frequencies.

Frequency Loss / 100 ft Loss / ft
100 MHz 4.3 dB 0.043 dB
450 MHz 9.8 dB 0.098 dB
900 MHz 14.3 dB 0.143 dB
1.8 GHz 21.5 dB 0.215 dB
2.4 GHz 25.5 dB 0.255 dB
5.8 GHz 44 dB 0.44 dB

Frequently Asked Questions

What is RG58 coaxial cable used for?

RG-58 is a classic flexible 50-ohm coaxial cable with a 0.195" outer diameter, offering an excellent balance of flexibility and performance at a low cost. Its braided shield provides good EMI rejection and its thin profile makes it easy to route through tight spaces. Common applications include amateur radio, CB radio, networking equipment connections, and general-purpose RF jumpers up to 25 feet.

What is the signal loss of RG58?

At 1800 MHz, RG58 has approximately 21.5 dB of loss per 100 ft (0.215 dB/ft).

What frequency range does this assembly support?

This assembly is rated DC – 1 GHz, limited by the lowest-rated component across the cable and connectors.

What is a FME connector?

FME (For Mobile Equipment) is a miniature threaded RF connector designed for mobile and vehicle-mounted antenna applications, particularly at GSM, CDMA, and FM frequencies. Its small size and robust threaded coupling make it common on vehicle-mount antenna mounts, cellular signal boosters, and mobile broadband modems.

Other RG58 Configurations

FME MALE to TNC MALE on Other Cables