diff --git a/firmware/baseband/proc_capture.hpp b/firmware/baseband/proc_capture.hpp
index 008c10d2..9a8ee0f4 100644
--- a/firmware/baseband/proc_capture.hpp
+++ b/firmware/baseband/proc_capture.hpp
@@ -41,7 +41,8 @@ public:
 	void on_message(const Message* const message) override;
 
 private:
-	static constexpr size_t baseband_fs = 2457600;
+	// TODO: Repeated value needs to be transmitted from application side.
+	static constexpr size_t baseband_fs = 4000000;
 	static constexpr auto spectrum_rate_hz = 50.0f;
 
 	std::array<complex16_t, 512> dst;