diff --git a/configs/config_mb_2023_2_mux_2024.py b/configs/config_mb_2023_2_mux_2024.py
index db10a580170c2a69f56941fa431b3d9356eb203b..dbbf82dfc060775e9d55c3f13f66b235d27c200e 100644
--- a/configs/config_mb_2023_2_mux_2024.py
+++ b/configs/config_mb_2023_2_mux_2024.py
@@ -28,7 +28,6 @@ HARDWARE_CONFIG = {
             },
     'rx':  {'model': 'ohmpi_card_3_15',
              'coef_p2': 2.50,  # slope for current conversion for ADS.P2, measurement in V/V
-             'sampling_rate': 100.,  # Hz
              'nb_samples': 20,  # Max value 10 # was named integer before...
             },
     'mux':  # default properties are system properties that will be
diff --git a/ohmpi/hardware_components/ohmpi_card_3_15.py b/ohmpi/hardware_components/ohmpi_card_3_15.py
index 9a743f3c22b7b904efd9425a42ec4e5530573821..cb6dfd44203cde9d62df528bb067ff9abe810ec5 100644
--- a/ohmpi/hardware_components/ohmpi_card_3_15.py
+++ b/ohmpi/hardware_components/ohmpi_card_3_15.py
@@ -21,8 +21,8 @@ RX_CONFIG = HARDWARE_CONFIG['rx']
 # ADC for voltage
 voltage_adc_voltage_min = 10.  # mV
 voltage_adc_voltage_max = 4500.  # mV
-sampling_rate = 100.  # Hz
-data_rate = 860. # S/s?
+sampling_rate = 50.  # Hz
+data_rate = 860.  # S/s?
 RX_CONFIG['voltage_min'] = np.min([voltage_adc_voltage_min, RX_CONFIG.pop('voltage_min', np.inf)])  # mV
 RX_CONFIG['voltage_max'] = np.min([voltage_adc_voltage_max, RX_CONFIG.pop('voltage_max', np.inf)])  # mV
 RX_CONFIG['sampling_rate'] = RX_CONFIG.pop('sampling_rate', sampling_rate)