diff --git a/tnc/static.py b/tnc/static.py
index 01e92637..09c07f31 100644
--- a/tnc/static.py
+++ b/tnc/static.py
@@ -67,8 +67,6 @@ HAMLIB_SERIAL_SPEED = '9600'
 HAMLIB_FREQUENCY = 0
 HAMLIB_MODE = ''
 HAMLIB_BANDWITH = 0
-
-TIME_BETWEEN_RX_TX = 1 # time between TX and RX in seconds
 # -------------------------
 # FreeDV Defaults
 FREEDV_RECEIVE = True
@@ -94,7 +92,7 @@ AUDIO_OUTPUT_DEVICE = 1
 AUDIO_SAMPLE_RATE_RX = 48000
 AUDIO_SAMPLE_RATE_TX = 48000
 MODEM_SAMPLE_RATE = 8000  # 8000
-AUDIO_FRAMES_PER_BUFFER = 8192  # 256 # 512 # 1024 #2048   --> nicht 880                       # 128 gut, 256, 1024 16384
+AUDIO_FRAMES_PER_BUFFER = 16384  # 256 # 512 # 1024 #2048   --> nicht 880                       # 128 gut, 256, 1024 16384
 AUDIO_CHANNELS = 1
 AUDIO_RMS = 0
 FFT = []