diff --git a/firmware/common/dsp_fir_taps.hpp b/firmware/common/dsp_fir_taps.hpp
index dd9bda9e..46c7ca2c 100644
--- a/firmware/common/dsp_fir_taps.hpp
+++ b/firmware/common/dsp_fir_taps.hpp
@@ -215,6 +215,32 @@ constexpr fir_taps_complex<64> taps_2k8_usb_channel {
 	} },
 };
 
+// LSB AM 2K80J3E emission type ///////////////////////////////////////////
+
+// IFIR prototype filter: fs=12000, pass=3000, stop=3300, decim=1, fout=12000
+constexpr fir_taps_complex<64> taps_2k8_lsb_channel {
+	.pass_frequency_normalized = 3000.0f / 12000.0f,
+	.stop_frequency_normalized = 3300.0f / 12000.0f,
+	.taps = { {
+		{   -146,      0 }, {    -41,     45 }, {     -1,    -10 }, {    -95,    -69 },
+		{   -194,     41 }, {    -91,    158 }, {     14,     43 }, {   -150,    -67 },
+		{   -299,    133 }, {   -100,    307 }, {     50,     86 }, {   -254,    -54 },
+		{   -453,    329 }, {    -62,    587 }, {    170,    189 }, {   -334,      0 },
+		{   -580,    645 }, {    104,    986 }, {    418,    304 }, {   -412,     88 },
+		{   -680,   1178 }, {    527,   1623 }, {    970,    432 }, {   -441,    196 },
+		{   -698,   2149 }, {   1617,   2800 }, {   2384,    507 }, {   -429,    311 },
+		{   -545,   5181 }, {   6925,   7691 }, {  14340,      0 }, {  10601, -11773 },
+		{  -1499, -14261 }, {  -8373,  -6083 }, {  -5095,   1083 }, {   -265,    459 },
+		{   -753,  -2318 }, {  -2954,  -1315 }, {  -2064,    919 }, {   -149,    459 },
+		{   -531,   -920 }, {  -1669,   -355 }, {  -1100,    800 }, {    -44,    419 },
+		{   -346,   -384 }, {   -992,      0 }, {   -580,    645 }, {     35,    332 },
+		{   -205,   -149 }, {   -577,    123 }, {   -280,    485 }, {     80,    247 },
+		{    -91,    -40 }, {   -294,    131 }, {   -101,    312 }, {     82,    142 },
+		{    -44,     -9 }, {   -147,    107 }, {    -21,    197 }, {     79,     88 },
+		{     10,      0 }, {    -41,     45 }, {     15,    145 }, {      0,      0 },
+	} },
+};
+
 // WFM 200KF8E emission type //////////////////////////////////////////////
 
 // IFIR image-reject filter: fs=3072000, pass=100000, stop=484000, decim=4, fout=768000