---
product_id: 37024277
title: "BLN-4010 - E1 Passive impedance balun Adapter 75 ohm BNC Female to 120ohm Twisted Pair IDC"
brand: "ctcunion"
price: "$4"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/37024277-bln-4010-e1-passive-impedance-balun-adapter-75-ohm-bnc
store_origin: NZ
region: New Zealand
---

# No Power Needed Compact Design BNC Female 75Ω BLN-4010 - E1 Passive impedance balun Adapter 75 ohm BNC Female to 120ohm Twisted Pair IDC

**Brand:** ctcunion
**Price:** $4
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect with Confidence!

## Quick Answers

- **What is this?** BLN-4010 - E1 Passive impedance balun Adapter 75 ohm BNC Female to 120ohm Twisted Pair IDC by ctcunion
- **How much does it cost?** $4 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/37024277-bln-4010-e1-passive-impedance-balun-adapter-75-ohm-bnc)

## Best For

- ctcunion enthusiasts

## Why This Product

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

## Key Features

- • **User-Friendly Design:** No power required, plug and play for instant use.
- • **Seamless Connectivity:** Easily convert between BNC and RJ48c twisted pair without hassle.
- • **Lightweight & Portable:** Weighing in at just 0.1 pounds, take it anywhere with ease.
- • **Versatile Applications:** Perfect for personal use in various networking setups.
- • **Cost-Effective Solution:** Achieve high-quality connections without breaking the bank.

## Overview

The BLN-4010 E1 Passive Impedance Balun Adapter is a compact and lightweight solution for converting BNC female 75 ohm connections to 120 ohm twisted pair IDC. With no power required and a user-friendly design, this adapter is perfect for personal networking needs.

## Description

The BLN-4010 device allows conversion of E1 signal from balanced to unbalanced and back. BNC 75ohm interface is passively converted to 120 balanced twisted pair copper. BLN-4010 converts only one single BNC. For a complete E1 conversion two BLN-4010 units are required.

## Features

- Conversion between BNC female 75ohm and RJ48c twisted pair 120ohm
- Low cost and compact and light design
- No power required
- Connectors: one BNC female 75ohms jack and one Krone IDC pin connector
- IDC pin assignment: PA(-), PB(+), PG(G)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Connector Type Used on Cable | bnc |
| Number of Ports | 1 |
| Specific Uses For Product | personal |
| Unit Count | 1.0 Count |
| Item Weight | 0.1 Pounds |
| Package Quantity | 1 |
| Finish Types | Copper |

## Product Details

- **Specific Uses For Product:** personal
- **Connector Type:** bnc
- **Brand:** CTCUnion
- **Finish Type:** Copper
- **Item Weight:** 0.1 Pounds

## Images

![BLN-4010 - E1 Passive impedance balun Adapter 75 ohm BNC Female to 120ohm Twisted Pair IDC - Image 1](https://m.media-amazon.com/images/I/310rV2+uEPL.jpg)
![BLN-4010 - E1 Passive impedance balun Adapter 75 ohm BNC Female to 120ohm Twisted Pair IDC - Image 2](https://m.media-amazon.com/images/I/31B2m3V9dgL.jpg)

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**Shop now:** [https://www.desertcart.nz/products/37024277-bln-4010-e1-passive-impedance-balun-adapter-75-ohm-bnc](https://www.desertcart.nz/products/37024277-bln-4010-e1-passive-impedance-balun-adapter-75-ohm-bnc)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-10*