Great Scott Gadgets' Opera Cake Offers Antenna Switching, Filter
![](https://greatscottgadgets.com/images/ac-gf1.jpg)
Acrylic Case for GreatFET - Great Scott Gadgets
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
![](https://m.media-amazon.com/images/I/61qz6ujQt7L._AC_UF894,1000_QL80_.jpg)
Great Scott Gadgets' Opera Cake – Antenna Switching Add-On Board for HackRF One and Other Software Defined Radios
![](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimages%2F13%2F20171128164718_HackRF-One-Software-Defined-Radio-vid.png)
HackRF One - Software Defined Radio (SDR) transceiver: from 1 MHz
![](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_720/https%3A%2F%2Fwww.elektormagazine.de%2Fassets%2Fupload%2Fimages%2F13%2F20221025082621_opera-cake-on-hackrf-one-antennas.jpg)
The Opera Cake Stackable Antenna and Filter Switch for HackRF One
![](https://www.nooelec.com/store/media/catalog/product/cache/1/small_image/295x/040ec09b1e35df139433887a97daa66f/1/0/100764-smart-hf-bundle.jpg)
Nooelec - Software Defined Radio
![](https://www.passion-radio.com/1685-thickbox_default/case-hackrf.jpg)
Clear Acrylic Case for HackRF One by GSG - Passion Radio
![](https://www.fabtolab.com/image/cache/catalog/Radio/SDR/kerberos-sdr%201-200x200.jpg)
Buy Great Scott Gadgets' Opera Cake – Antenna Switching Add-On
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
![](https://m.media-amazon.com/images/I/61JvtHvPYTL.jpg)
Great Scott Gadgets' Opera Cake – Antenna Switching Add-On Board for HackRF One and Other Software Defined Radios
![](https://www.passion-radio.com/328-home_default/sma-uhf-male.jpg)
Opera Cake : 8 port automatic antenna switch for HackRF One
![](https://www.passion-radio.com/2998-home_default/testboard-rf.jpg)
Opera Cake : 8 port automatic antenna switch for HackRF One
![](https://greatscottgadgets.com/images/tx-plot-nodiodes.png)
hackrf - Great Scott Gadgets
![](https://www.rtl-sdr.com/wp-content/uploads/2022/03/limesdr-mini-2-prototype-top-bottom-1_jpg_tile-xl.jpg)
hackrf
![](https://www.askamanager.org/wp-content/uploads/2022/01/Olive-with-yarn.jpg)
weekend open thread - January 8-9, 2022 — Ask a Manager
![](https://www.passion-radio.com/2095-home_default/case-hackrf.jpg)
Opera Cake : 8 port automatic antenna switch for HackRF One
![](https://media.elektor.com/media/catalog/product/cache/26db9ce9264bf479fe3a355646eb244e/t/e/telescopic_sma_antenna_75_mhz-1_ghz_.jpg)
Great Scott Gadgets Opera Cake – Antenna Switch for HackRF One