---
product_id: 769580452
title: "Unispectra 50 OHM VERY LOW LOSS COAX CABLE -S400 Amateur Receivers for WiFi GSM 3G 4G Repeaters Radio Antennas/Receivers (20m)"
brand: "unispectra"
price: "€ 33.63"
currency: EUR
in_stock: false
reviews_count: 1
url: https://www.desertcart.hr/products/769580452-unispectra-50-ohm-very-low-loss-coax-cable-s400-amateur
store_origin: HR
region: Croatia
---

# Ultra low attenuation: 2.3 dB/100m @ 30MHz 50Ω impedance for optimal signal 90% tinned copper braid shielding Unispectra 50 OHM VERY LOW LOSS COAX CABLE -S400 Amateur Receivers for WiFi GSM 3G 4G Repeaters Radio Antennas/Receivers (20m)

**Brand:** unispectra
**Price:** € 33.63
**Availability:** ❌ Out of Stock

## Summary

> 📡 Stay ahead of the signal game with Unispectra’s ultra-low loss coax cable!

## Quick Answers

- **What is this?** Unispectra 50 OHM VERY LOW LOSS COAX CABLE -S400 Amateur Receivers for WiFi GSM 3G 4G Repeaters Radio Antennas/Receivers (20m) by unispectra
- **How much does it cost?** € 33.63 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/769580452-unispectra-50-ohm-very-low-loss-coax-cable-s400-amateur)

## Best For

- unispectra enthusiasts

## Why This Product

- Trusted unispectra brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust Shielding:** 90% tinned copper braid shielding delivers superior protection against electromagnetic interference, keeping your transmissions clean and reliable.
- • **Next-Level Low Loss:** Experience ultra-low attenuation rates starting at just 2.3 dB per 100 meters at 30MHz, preserving signal strength over long distances.
- • **Flexible Installation:** With a minimum bending radius of just 5 times the cable diameter, installation in tight spaces is hassle-free without compromising performance.
- • **Versatile Pro-Grade Build:** Constructed with a 2.77mm copper-clad aluminum conductor and durable PVC jacket, this cable is built to last in demanding amateur radio and repeater setups.
- • **Crystal-Clear Connectivity:** Engineered 50Ω impedance ensures minimal signal reflection and maximum transmission efficiency for your WiFi, GSM, 3G, and 4G repeaters.

## Overview

The Unispectra S400 50 OHM coax cable is a premium, low-loss solution designed for amateur radio, WiFi, GSM, 3G, and 4G repeater applications. Featuring a 2.77mm copper-clad aluminum conductor, 90% tinned copper braid shielding, and a robust PVC jacket, it ensures superior signal integrity with minimal attenuation (as low as 2.3 dB/100m at 30MHz) and excellent interference protection. Its flexible design supports easy installation in professional and hobbyist setups alike.

## Description

SpecificationInner conductor - 2.77mm CCA (Copper Clad Aluminium) Dielectric - 7.24mm FPE (Foamed Polyethylene) Foil - AL (Aluminium) Shielding - 90% TC (Tinned Copper) braid Outer conductor - 192x0.16 mm TC (Tinned Copper) Jacket - 10,29mm PVC (Polyvinylchlorid) Inner conductor resistance - 4Ω/km Outer conductor resistance - 6Ω/km Capacitance - 78±2 pF/m Impedance - 50±3Ω Screening efficiency - >100dB Min. bending radius - 5 Ø Velocity of propagation - 0,86  Attenuation - dB/100m  30MHz - 2,3  50Mhz - 3,0 150MHz - 5,0 220Mhz - 5,9 450MHz - 8,9 900MHz - 12,8 1500MHz - 16,7 2500MHz - 22,2

## Features

- S400 - Very Low Loss - High Quality 50 OHM COAX CABLE
- Ideal for many applications, including HF, shortwave, amateur radio and CB installations
- Also comonly used for Wi Fi, GSM, 3G, 4G Repeaters, Radio Antennas and Receivers, RF Jumper Feeder Aerials
- High quality low loss coaxial cable with tinned copper conductors
- Shielding 90% Tinned Copper braid

## Product Details

- **Brand:** Unispectra
- **Connector type:** coaxial
- **Cable type:** Coaxial
- **Special feature:** Braided
- **Connector gender:** Male-to-Male

## Images

![Unispectra 50 OHM VERY LOW LOSS COAX CABLE -S400 Amateur Receivers for WiFi GSM 3G 4G Repeaters Radio Antennas/Receivers (20m) - Image 1](https://m.media-amazon.com/images/I/819ica0MEUL.jpg)
![Unispectra 50 OHM VERY LOW LOSS COAX CABLE -S400 Amateur Receivers for WiFi GSM 3G 4G Repeaters Radio Antennas/Receivers (20m) - Image 2](https://m.media-amazon.com/images/I/91D-CK3uMdL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great quality
*by A***A on 22 September 2021*

Great coax, as good as LMR400, will buy again

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**Shop now:** [https://www.desertcart.hr/products/769580452-unispectra-50-ohm-very-low-loss-coax-cable-s400-amateur](https://www.desertcart.hr/products/769580452-unispectra-50-ohm-very-low-loss-coax-cable-s400-amateur)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-20*