GEMEK 36ft N Male to N Male Low-Loss S-MR400 Coax Cable - Reliable

In this review the GEMEK 36ft N Male to N Male cable is judged on whether it delivers low-loss performance for antenna and radio extensions. The bottom line: it is a solid choice for anyone who needs a 36 ft, 50 ohm run with robust construction and superior signal retention compared with thinner cable types. The S-MR400 core and double shielding are the single biggest reasons to consider it when extending cellular, WiFi, ADS-B, GPS or ham radio connections where maintaining signal level matters.

Key Features

• Connector quality: Gold-plated N Male to N Male connectors provide reliable mating and improved corrosion resistance for outdoor or indoor installations.
• Cable construction: Double shielded S-MR400 coax keeps loss low over the 36 ft length and helps preserve signal for higher frequencies.
• Impedance match: The 50 ohm impedance makes this cable compatible with a wide range of RF equipment including modems, routers and radio transceivers.
• Mechanical durability: Thick S-MR400 diameter and heat shrink on both ends improve strain relief and resist wear in tight runs and bends.
• Temperature range: Rated to operate from -40C to +85C so it is suitable for many outdoor antenna and repeater applications.

Who It's For

This cable is aimed at hobbyists and professionals who need a reliable 36 ft RF extension between N-connector equipment and antennas, including cellular boosters, WiFi repeaters, ADS-B receivers and ham radio setups. Its low-loss S-MR400 construction benefits users running higher frequencies or longer runs where signal retention is important.

It is not intended for TV coax applications and is not the best choice for installations that require lighter, more flexible RG-58 style cable where space and weight are the main constraints. If you need shorter patch leads or extreme flexibility, look for a thinner, more pliable cable type.

Pros & Cons

Pros

• Low-loss S-MR400 construction preserves signal over longer runs compared with smaller coax.
• Gold-plated N Male connectors ensure secure, corrosion-resistant connections.
• Wide operating temperature and solid mechanical build work well for outdoor antenna runs.
• 50 ohm impedance makes it compatible with common RF equipment and boosters.

Cons

• Thicker S-MR400 cable is less flexible and heavier than thin patch leads, which can be cumbersome in tight routing.

Specifications

Connector 1	N Male plug w/ gold-plated pin (50 ohm)
Connector 2	N Male plug w/ gold-plated pin (50 ohm)
Length	36 ft (11 meters)
Impedance	50 ohm
Coax type	Double shielded low-loss S-MR400 (10.3 mm / 0.4 in diameter)
Operating temperature	-40C to +85C
Minimum coil diameter	1.5 in

Our Verdict

The GEMEK 36ft N Male to N Male S-MR400 cable is a practical, value-oriented choice for anyone extending RF connections where signal retention matters. It combines durable connectors, double shielding and a large center conductor to reduce loss on common cellular, WiFi and radio runs, making it a good investment for outdoor antennas and repeaters when weight and extreme flexibility are not primary concerns.

Frequently Asked Questions

Is this cable compatible with 50 ohm routers and modems?
Yes. The cable is 50 ohm and designed to work with modems, routers and signal boosters that use N connectors.

Can the cable be used outdoors?
Yes. It is double shielded with heat shrink on both ends and rated to operate between -40C and +85C, suitable for many outdoor installations.

How tight can it be bent?
The minimum coiling diameter is about 1.5 in and it supports 90 degree bends in close spaces without significant loss.