diff --git a/src/audio_transmitter/mod.rs b/src/audio_transmitter/mod.rs
index 5b5aa9a..ebc7bd7 100644
--- a/src/audio_transmitter/mod.rs
+++ b/src/audio_transmitter/mod.rs
@@ -51,10 +51,10 @@ pub fn audio_transmitter_main(
 
     // TODO: from cli
     let mut carrier = TwoStateCarrier::new(
-        320,                                  // freq_low
-        340,                                  // freq_high
+        2400,                                  // freq_low
+        2800,                                  // freq_high
         cpal_output_config.sample_rate().0, // sample_rate
-        20,                                    // symbol_rate
+        1200,                                    // symbol_rate
     );
 
     let mut leftovers: VecDeque<f64> = vec![].into();
@@ -196,7 +196,7 @@ fn give_output_pcm<T>(
 
     while let Ok(byte) = rx_for_mod.try_recv() {
         let samps = carrier.byte_into_fsk_samples(&byte);
-        trace!("new ether samps {:?}", samps);
+        //trace!("new ether samps {:?}", samps);
         let mut samps_iter = samps.iter().cloned();
         while let Some(samp) = samps_iter.next() {
             if let Some(sample_to_write) = output.next() {