diff --git a/firmware/baseband/proc_tpms.cpp b/firmware/baseband/proc_tpms.cpp
index b9e111222..1e8d378a0 100644
--- a/firmware/baseband/proc_tpms.cpp
+++ b/firmware/baseband/proc_tpms.cpp
@@ -26,10 +26,43 @@
 #include "i2s.hpp"
 using namespace lpc43xx;
 
+#include "dsp_fir_taps.hpp"
+
+static constexpr fir_taps_real<24> taps_200k_decim_0 = {
+	.pass_frequency_normalized = 100000.0f / 2457600.0f,
+	.stop_frequency_normalized = 407200.0f / 2457600.0f,
+	.taps = { {
+	    90,     94,      4,   -240,   -570,   -776,   -563,    309,
+	  1861,   3808,   5618,   6710,   6710,   5618,   3808,   1861,
+	   309,   -563,   -776,   -570,   -240,      4,     94,     90,
+	} },
+};
+
+static constexpr fir_taps_real<16> taps_200k_decim_1 = {
+	.pass_frequency_normalized = 100000.0f / 614400.0f,
+	.stop_frequency_normalized = 207200.0f / 614400.0f,
+	.taps = { {
+		  -132,   -256,    545,    834,  -1507,  -2401,   4666,  14583,
+		 14583,   4666,  -2401,  -1507,    834,    545,   -256,   -132,
+	} },
+};
+
+TPMSProcessor::TPMSProcessor() {
+	decim_0.configure(taps_200k_decim_0.taps, 33554432);
+	decim_1.configure(taps_200k_decim_1.taps, 131072);
+}
+
 void TPMSProcessor::execute(const buffer_c8_t& buffer) {
 	/* 2.4576MHz, 2048 samples */
 
-	auto decimator_out = decimator.execute(buffer);
+	const buffer_c16_t dst_buffer {
+		dst.data(),
+		dst.size()
+	};
+
+	const auto decim_0_out = decim_0.execute(buffer, dst_buffer);
+	const auto decim_1_out = decim_1.execute(decim_0_out, dst_buffer);
+	const auto decimator_out = decim_1_out;
 
 	/* 76.8kHz, 64 samples */
 	feed_channel_stats(decimator_out);
diff --git a/firmware/baseband/proc_tpms.hpp b/firmware/baseband/proc_tpms.hpp
index 45a655fa7..10b902489 100644
--- a/firmware/baseband/proc_tpms.hpp
+++ b/firmware/baseband/proc_tpms.hpp
@@ -39,22 +39,31 @@
 #include <bitset>
 
 // Translate+rectangular filter
-// sample=153.6k, deviation=38400, symbol=19200
-// Length: 8 taps, 1 symbols, 2 cycles of sinusoid
-constexpr std::array<std::complex<float>, 8> rect_taps_153k6_1t_p { {
-	{  1.2500000000e-01f,  0.0000000000e+00f }, {  0.0000000000e+00f,  1.2500000000e-01f },
-	{ -1.2500000000e-01f,  0.0000000000e+00f }, {  0.0000000000e+00f, -1.2500000000e-01f },
-	{  1.2500000000e-01f,  0.0000000000e+00f }, {  0.0000000000e+00f,  1.2500000000e-01f },
-	{ -1.2500000000e-01f,  0.0000000000e+00f }, {  0.0000000000e+00f, -1.2500000000e-01f },
+// sample=307.2k, deviation=38400, symbol=19200
+// Length: 16 taps, 1 symbols, 2 cycles of sinusoid
+constexpr std::array<std::complex<float>, 16> rect_taps_307k2_1t_p { {
+	{  6.2500000000e-02f,  0.0000000000e+00f }, {  4.4194173824e-02f,  4.4194173824e-02f },
+	{  0.0000000000e+00f,  6.2500000000e-02f }, { -4.4194173824e-02f,  4.4194173824e-02f },
+	{ -6.2500000000e-02f,  0.0000000000e+00f }, { -4.4194173824e-02f, -4.4194173824e-02f },
+	{  0.0000000000e+00f, -6.2500000000e-02f }, {  4.4194173824e-02f, -4.4194173824e-02f },
+	{  6.2500000000e-02f,  0.0000000000e+00f }, {  4.4194173824e-02f,  4.4194173824e-02f },
+	{  0.0000000000e+00f,  6.2500000000e-02f }, { -4.4194173824e-02f,  4.4194173824e-02f },
+	{ -6.2500000000e-02f,  0.0000000000e+00f }, { -4.4194173824e-02f, -4.4194173824e-02f },
+	{  0.0000000000e+00f, -6.2500000000e-02f }, {  4.4194173824e-02f, -4.4194173824e-02f },
 } };
 
 class TPMSProcessor : public BasebandProcessor {
 public:
+	TPMSProcessor();
+
 	void execute(const buffer_c8_t& buffer) override;
 
 private:
-	ChannelDecimator decimator { ChannelDecimator::DecimationFactor::By16 };
-	dsp::matched_filter::MatchedFilter mf { rect_taps_153k6_1t_p, 4 };
+	std::array<complex16_t, 512> dst;
+	dsp::decimate::FIRC8xR16x24FS4Decim4 decim_0;
+	dsp::decimate::FIRC16xR16x16Decim2 decim_1;
+
+	dsp::matched_filter::MatchedFilter mf { rect_taps_307k2_1t_p, 8 };
 
 	clock_recovery::ClockRecovery<clock_recovery::FixedErrorFilter> clock_recovery {
 		38400, 19200, { 0.0555f },