diff --git a/ddbridge/ddbridge-modulator.c b/ddbridge/ddbridge-modulator.c
index 531f418..f1c2cfd 100644
--- a/ddbridge/ddbridge-modulator.c
+++ b/ddbridge/ddbridge-modulator.c
@@ -1519,6 +1519,7 @@ static int mod3_set_sample_rate(struct ddb_mod *mod, u32 rate)
 	u32 cic, inc;
 	
 	switch (rate) {
+		/* 2^31 * freq*4*cic / 245.76Mhz */
 	case SYS_DVBT_6:
 		inc = 1917396114;
 		cic = 8;
@@ -1536,6 +1537,10 @@ static int mod3_set_sample_rate(struct ddb_mod *mod, u32 rate)
 		inc = 1988410754;
 		cic = 7;
 		break;
+	case SYS_DVBS2_22:
+		inc = 1922389333;
+		cic = 5;
+		break;
 	default:
 		return -EINVAL;
 	}
diff --git a/include/linux/dvb/mod.h b/include/linux/dvb/mod.h
index 49fd1a8..3c1d5e4 100644
--- a/include/linux/dvb/mod.h
+++ b/include/linux/dvb/mod.h
@@ -41,6 +41,7 @@ enum mod_output_rate {
 	SYS_DVBT_7,
 	SYS_DVBT_8,
 	SYS_ISDBT_6 = 16,
+	SYS_DVBS2_22 = 32,
 };