RFC400 cable

Cable

RFC400

RP-TNC FEMALE

End A

RP-TNC FEMALE

$1.00

RP-TNC FEMALE

End B

RP-TNC FEMALE

$1.00

50 Ohm DC – 6 GHz

RFC400 — RP-TNC FEMALE to RP-TNC FEMALE

Custom RFC400 cable assembly with RP-TNC FEMALE and RP-TNC FEMALE connectors. Every cable is hand-assembled, tested, and ships free.

Length Price
1 ft $19.98
6 ft $27.48
25 ft $55.98
50 ft $93.48
100 ft $168.48
250 ft $393.48
500 ft $768.48
Need a different length? Use the Cable Builder

Specs Summary

CableRFC400
Diameter.400 INCH
Impedance50 Ohm
FrequencyDC – 6 GHz
Velocity Factor85%
RP-TNC FEMALE InterfaceReverse polarity TNC threaded
RP-TNC FEMALE InterfaceReverse polarity TNC threaded

About This Assembly

RFC400 Cable

RFC-400 is a cost-effective 0.400" 50-ohm low-loss coaxial cable serving as a value-oriented alternative to LMR-400. It delivers strong performance on runs from 50 to 200 feet and is popular for cellular repeater trunk cables, outdoor antenna feedlines, and budget-conscious infrastructure deployments.

RP-TNC Connector

RP-TNC (Reverse Polarity TNC) uses the TNC threaded shell with reversed pin conventions, similar to RP-SMA. It is used on some commercial WiFi access points and outdoor CPE antennas, particularly in older Cisco and Linksys equipment, and offers better vibration resistance than RP-SMA in demanding outdoor environments.

Common Applications

This RP-TNC cable assembly is well suited for cost-effective long antenna runs, cellular repeater trunk cables, and outdoor feedlines. The combination of reliable RP-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.

RFC400 Signal Loss

Approximate attenuation at common RF frequencies.

Frequency Loss / 100 ft Loss / ft
100 MHz 1.5 dB 0.015 dB
450 MHz 3.3 dB 0.033 dB
900 MHz 4.7 dB 0.047 dB
1.8 GHz 6.8 dB 0.068 dB
2.4 GHz 7.9 dB 0.079 dB
5.8 GHz 13 dB 0.13 dB

Frequently Asked Questions

What is RFC400 coaxial cable used for?

RFC-400 is a cost-effective 0.400" 50-ohm low-loss coaxial cable serving as a value-oriented alternative to LMR-400. It delivers strong performance on runs from 50 to 200 feet and is popular for cellular repeater trunk cables, outdoor antenna feedlines, and budget-conscious infrastructure deployments.

What is the signal loss of RFC400?

At 1800 MHz, RFC400 has approximately 6.8 dB of loss per 100 ft (0.068 dB/ft).

What frequency range does this assembly support?

This assembly is rated DC – 6 GHz, limited by the lowest-rated component across the cable and connectors.

Other RFC400 Configurations

RP-TNC FEMALE to RP-TNC FEMALE on Other Cables