diff --git a/pkgs/development/gnuradio-modules/fosphor/default.nix b/pkgs/development/gnuradio-modules/fosphor/default.nix
new file mode 100644
index 000000000000..d6334cf9d116
--- /dev/null
+++ b/pkgs/development/gnuradio-modules/fosphor/default.nix
@@ -0,0 +1,93 @@
+{
+  lib,
+  mkDerivation,
+  fetchgit,
+  gnuradio,
+  cmake,
+  pkg-config,
+  logLib,
+  mpir,
+  gmp,
+  boost,
+  libGL,
+  opencl-headers,
+  ocl-icd,
+  freetype,
+  fftwFloat,
+  qt5,
+  python,
+  enableGLFW ? true,
+  glfw3,
+  enablePNG ? true,
+  libpng,
+  gnuradioOlder,
+  gnuradioAtLeast,
+}:
+
+mkDerivation {
+  pname = "gr-fosphor";
+  version = "unstable-2024-03-23";
+
+  # It is a gitea instance, but its archive service doesn't work very well so
+  # we can't use it.
+  src = fetchgit {
+    url = "https://gitea.osmocom.org/sdr/gr-fosphor.git";
+    rev = "74d54fc0b3ec9aeb7033686526c5e766f36eaf24";
+    hash = "sha256-FBmH4DmKATl0FPFU7T30OrYYmxlSTTLm1SZpt0o1qkw=";
+  };
+  disabled = gnuradioOlder "3.9" || gnuradioAtLeast "3.11";
+
+  nativeBuildInputs =
+    [
+      cmake
+      pkg-config
+    ]
+    ++ lib.optionals (gnuradio.hasFeature "gr-qtgui") [
+      qt5.wrapQtAppsHook
+    ];
+
+  buildInputs =
+    [
+      logLib
+      mpir
+      gmp
+      boost
+      libGL
+      opencl-headers
+      ocl-icd
+      freetype
+      fftwFloat
+    ]
+    ++ lib.optionals (gnuradio.hasFeature "gr-qtgui") [
+      qt5.qtbase
+    ]
+    ++ lib.optionals (gnuradio.hasFeature "python-support") [
+      python.pkgs.pybind11
+      python.pkgs.numpy
+    ]
+    ++ lib.optionals enableGLFW [
+      glfw3
+    ]
+    ++ lib.optionals enablePNG [
+      libpng
+    ];
+
+  cmakeFlags = [
+    (lib.cmakeBool "ENABLE_QT" (gnuradio.hasFeature "gr-qtgui"))
+    (lib.cmakeBool "ENABLE_PYTHON" (gnuradio.hasFeature "python-support"))
+    (lib.cmakeBool "ENABLE_GLFW" enableGLFW)
+    (lib.cmakeBool "ENABLE_PNG" enablePNG)
+  ];
+
+  meta = {
+    description = "GNU Radio block for RTSA-like spectrum visualization using OpenCL and OpenGL acceleration";
+    longDescription = ''
+      You'll need to install an OpenCL ICD for it to work.
+      See https://nixos.org/manual/nixos/stable/#sec-gpu-accel-opencl
+    '';
+    homepage = "https://projects.osmocom.org/projects/sdr/wiki/Fosphor";
+    license = lib.licenses.gpl3Plus;
+    maintainers = with lib.maintainers; [ chuangzhu ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/top-level/gnuradio-packages.nix b/pkgs/top-level/gnuradio-packages.nix
index e8aec4de1c63..d2bcb572ac0b 100644
--- a/pkgs/top-level/gnuradio-packages.nix
+++ b/pkgs/top-level/gnuradio-packages.nix
@@ -39,6 +39,8 @@ in {
 
   ais = callPackage ../development/gnuradio-modules/ais/default.nix { };
 
+  fosphor = callPackage ../development/gnuradio-modules/fosphor/default.nix { };
+
   grnet = callPackage ../development/gnuradio-modules/grnet/default.nix { };
 
   gsm = callPackage ../development/gnuradio-modules/gsm/default.nix { };