---
product_id: 518559058
title: "Great Scott Gadgets’ Opera Cake – Antenna Switching Add-On Board for HackRF One and Other Software Defined Radios"
brand: "generic"
price: "€ 286.89"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/518559058-great-scott-gadgets-opera-cake-antenna-switching-add-on-board
store_origin: PT
region: Portugal
---

# 1MHz-4GHz freq range 1x8 or dual 1x4 antenna switch CLI & automated control Great Scott Gadgets’ Opera Cake – Antenna Switching Add-On Board for HackRF One and Other Software Defined Radios

**Brand:** generic
**Price:** € 286.89
**Availability:** ✅ In Stock

## Summary

> 🔄 Elevate your SDR game with Opera Cake — switch smarter, scan faster!

## Quick Answers

- **What is this?** Great Scott Gadgets’ Opera Cake – Antenna Switching Add-On Board for HackRF One and Other Software Defined Radios by generic
- **How much does it cost?** € 286.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/518559058-great-scott-gadgets-opera-cake-antenna-switching-add-on-board)

## Best For

- generic enthusiasts

## Why This Product

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

## Key Features

- • **Dual Mode Flexibility:** Optimized for use as a single 1x8 switch or dual 1x4 switches, perfect for custom filter banks or diverse antenna setups.
- • **Broad Frequency Mastery:** Covers an expansive 1 MHz to 4 GHz range, empowering you to explore HF, VHF, UHF, and satellite bands with ease.
- • **Automated & Manual Control:** Control via command-line or automate switching by frequency or time, integrating smoothly into your workflow.
- • **Enhanced Spectrum Analysis:** Boost your HackRF One’s sweep capabilities with automatic antenna switching mid-scan for comprehensive frequency coverage.
- • **Seamless Multi-Antenna Switching:** Switch effortlessly between up to 8 antennas without manual swaps, maximizing your SDR versatility.

## Overview

Opera Cake is a precision antenna switching add-on board designed for HackRF One and compatible SDRs, supporting 1 MHz to 4 GHz frequencies. It offers flexible configurations as a single 1x8 or dual 1x4 switch, controlled manually or automated via command-line software. Ideal for professionals seeking streamlined multi-antenna management and enhanced spectrum analysis without hardware hassle.

## Description

Great Scott Gadgets’ Opera Cake – Antenna Switching Add-On Board for HackRF One and Other Software Defined Radios

## Features

- Opera Cake is an antenna switching add-on board designed to sit directly on top of the HackRF One
- Opera Cake has a recommended frequency range of 1MHz - 4GHz
- It is optimized for use as a single 1x8 switch, or as a pair of 1x4 switches. It can be configured via command-line software either manually or through automation (either frequency or time)
- Please note that this product is not physically compatible with the plastic enclosure sold with the HackRF, nor with the aluminum enclosure we sell for the HackRF
- Opera Cake documentation: https://hackrf.readthedocs.io/en/latest/opera_cake.html

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Screen Resolution | 1024x768 |
| Max Screen Resolution | 1024x768 |
| Processor | cortex |
| RAM | EEPROM |
| Card Description | Integrated |
| Wireless Type | Radio Frequency |
| Brand | Generic |
| Series | Opera Cake |
| Item model number | 100844 |
| Operating System | Linux |
| Item Weight | 4.9 ounces |
| Package Dimensions | 7.09 x 4.33 x 1.18 inches |
| Processor Brand | ARM |
| Number of Processors | 1 |
| Computer Memory Type | DDR SDRAM |
| Hard Drive Interface | EIO |

## Product Details

- **Brand:** Generic
- **Operating System:** Linux
- **CPU Model:** Cortex
- **Graphics Card Description:** Integrated
- **Specific Uses For Product:** Antenna Switching, Software Defined Radio
- **Personal computer design type:** Mini PC
- **Model Name:** Opera Cake
- **Included Components:** Add-On Module
- **Special Feature:** Radio
- **CPU Manufacturer:** ARM

## Images

![Great Scott Gadgets’ Opera Cake – Antenna Switching Add-On Board for HackRF One and Other Software Defined Radios - Image 1](https://m.media-amazon.com/images/I/61JvtHvPYTL.jpg)

## Frequently Bought Together

- Great Scott Gadgets’ Opera Cake – Antenna Switching Add-On Board for HackRF One and Other Software Defined Radios
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- Nooelec Lana - Ultra Low-Noise Amplifier (LNA) Module for RF & Software Defined Radio (SDR) with Enclosure & Accessories. Wideband 20MHz-4000MHz Frequency Capability with Bias Tee & USB Power Options

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**Shop now:** [https://www.desertcart.pt/products/518559058-great-scott-gadgets-opera-cake-antenna-switching-add-on-board](https://www.desertcart.pt/products/518559058-great-scott-gadgets-opera-cake-antenna-switching-add-on-board)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-02-06*