diff --git a/rtl_airband.conf b/rtl_airband.conf
index f89a2ac..f7dc3a9 100644
--- a/rtl_airband.conf
+++ b/rtl_airband.conf
@@ -2,13 +2,13 @@
 # Channels: 3 (26.985 MHz), 7 (27.035 MHz), 10 (27.075 MHz)
 
 localtime = false;
-fft_size = 2048;
+fft_size = 1024;
 
 devices:
 ({
   type = "rtlsdr";
   index = 0;
-  gain = 15.0;
+  gain = 25.0;
   centerfreq = 27.035;
   correction = -1;
   mode = "multichannel";
@@ -20,7 +20,7 @@ devices:
       freq = 26.985;
       bandwidth = 8000;
       modulation = "nfm";
-      squelch_snr_threshold = 15.0;
+      squelch_snr_threshold = 9.0;
       label = "CB-CH03";
       outputs: (
         {
@@ -36,7 +36,7 @@ devices:
       freq = 27.035;
       bandwidth = 8000;
       modulation = "nfm";
-      squelch_snr_threshold = 15.0;
+      squelch_snr_threshold = 9.0;
       label = "CB-CH07";
       outputs: (
         {
@@ -52,7 +52,7 @@ devices:
       freq = 27.075;
       bandwidth = 8000;
       modulation = "nfm";
-      squelch_snr_threshold = 15.0;
+      squelch_snr_threshold = 9.0;
       label = "CB-CH10";
       outputs: (
         {