1.37 cable

Cable

1.37

BNC MALE

End A

BNC MALE

$2.00

BNC MALE

End B

BNC MALE

$2.00

50 Ohm DC – 4 GHz

1.37 — BNC MALE to BNC MALE

Custom 1.37 cable assembly with BNC MALE and BNC MALE connectors. Every cable is hand-assembled, tested, and ships free.

Length Price
1 ft $13.19
6 ft $14.79
Need a different length? Use the Cable Builder

Specs Summary

Cable1.37
Diameter1.37MM
Impedance50 Ohm
FrequencyDC – 4 GHz
Velocity Factor70%
BNC MALE InterfaceBNC bayonet (MIL-STD-348)
BNC MALE InterfaceBNC bayonet (MIL-STD-348)

About This Assembly

1.37 Cable

1.37mm coaxial cable is a miniature 50-ohm cable slightly larger than 1.13mm, balancing compact size with improved power handling and lower signal loss. Used for internal antenna leads in smartphones, routers, and IoT devices where the 1.13mm cable would be too lossy but space constraints still prohibit larger coax.

BNC Connector

BNC (Bayonet Neill–Concelman) is a quick-connect RF connector featuring a bayonet locking mechanism for fast mating and unmating, rated from DC to 4 GHz. Its ease of use makes it standard in test and measurement equipment, video distribution, two-way radio accessories, and laboratory bench setups where cables are frequently connected and disconnected.

Common Applications

This BNC cable assembly is well suited for internal antenna leads in routers, smartphones, and compact IoT devices. The combination of reliable BNC 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.

1.37 Signal Loss

Approximate attenuation at common RF frequencies.

Frequency Loss / 100 ft Loss / ft
100 MHz 7.8 dB 0.078 dB
450 MHz 16.5 dB 0.165 dB
900 MHz 24 dB 0.24 dB
1.8 GHz 35 dB 0.35 dB
2.4 GHz 41 dB 0.41 dB
5.8 GHz 67 dB 0.67 dB

Frequently Asked Questions

What is 1.37 coaxial cable used for?

1.37mm coaxial cable is a miniature 50-ohm cable slightly larger than 1.13mm, balancing compact size with improved power handling and lower signal loss. Used for internal antenna leads in smartphones, routers, and IoT devices where the 1.13mm cable would be too lossy but space constraints still prohibit larger coax.

What is the signal loss of 1.37?

At 1800 MHz, 1.37 has approximately 35 dB of loss per 100 ft (0.35 dB/ft).

What frequency range does this assembly support?

This assembly is rated DC – 4 GHz, limited by the lowest-rated component across the cable and connectors.

Other 1.37 Configurations

BNC MALE to BNC MALE on Other Cables