diff --git a/pwnagotchi/ai/featurizer.py b/pwnagotchi/ai/featurizer.py
index d8f27a74..b4630e2d 100644
--- a/pwnagotchi/ai/featurizer.py
+++ b/pwnagotchi/ai/featurizer.py
@@ -5,36 +5,31 @@ import pwnagotchi.mesh.wifi as wifi
 MAX_EPOCH_DURATION = 1024
 
 
-def describe(extended=False):
-    if not extended:
-        histogram_size = wifi.NumChannels
-    else:
-        # see https://github.com/evilsocket/pwnagotchi/issues/583
-        histogram_size = wifi.NumChannelsExt
+histogram_size = wifi.NumChannels
 
-    return histogram_size, (1,
-                            # aps per channel
-                            histogram_size +
-                            # clients per channel
-                            histogram_size +
-                            # peers per channel
-                            histogram_size +
-                            # duration
-                            1 +
-                            # inactive
-                            1 +
-                            # active
-                            1 +
-                            # missed
-                            1 +
-                            # hops
-                            1 +
-                            # deauths
-                            1 +
-                            # assocs
-                            1 +
-                            # handshakes
-                            1)
+shape = (1,
+         # aps per channel
+         histogram_size +
+         # clients per channel
+         histogram_size +
+         # peers per channel
+         histogram_size +
+         # duration
+         1 +
+         # inactive
+         1 +
+         # active
+         1 +
+         # missed
+         1 +
+         # hops
+         1 +
+         # deauths
+         1 +
+         # assocs
+         1 +
+         # handshakes
+         1)
 
 
 def featurize(state, step):
diff --git a/pwnagotchi/ai/gym.py b/pwnagotchi/ai/gym.py
index c188d31d..a9800658 100644
--- a/pwnagotchi/ai/gym.py
+++ b/pwnagotchi/ai/gym.py
@@ -35,14 +35,11 @@ class Environment(gym.Env):
         self._epoch_num = 0
         self._last_render = None
 
-        # see https://github.com/evilsocket/pwnagotchi/issues/583
-        self._supported_channels = agent.supported_channels()
-        self._extended_spectrum = any(ch > 150 for ch in self._supported_channels)
-        self._histogram_size, self._observation_shape = featurizer.describe(self._extended_spectrum)
+        channels = agent.supported_channels()
 
         Environment.params += [
             Parameter('_channel_%d' % ch, min_value=0, max_value=1, meta=ch + 1) for ch in
-            range(self._histogram_size) if ch + 1 in self._supported_channels
+            range(featurizer.histogram_size) if ch + 1 in channels
         ]
 
         self.last = {
@@ -55,7 +52,7 @@ class Environment(gym.Env):
         }
 
         self.action_space = spaces.MultiDiscrete([p.space_size() for p in Environment.params if p.trainable])
-        self.observation_space = spaces.Box(low=0, high=1, shape=self._observation_shape, dtype=np.float32)
+        self.observation_space = spaces.Box(low=0, high=1, shape=featurizer.shape, dtype=np.float32)
         self.reward_range = reward.range
 
     @staticmethod
@@ -123,7 +120,7 @@ class Environment(gym.Env):
         return self.last['state_v']
 
     def _render_histogram(self, hist):
-        for ch in range(self._histogram_size):
+        for ch in range(featurizer.histogram_size):
             if hist[ch]:
                 logging.info("      CH %d: %s" % (ch + 1, hist[ch]))
 
diff --git a/pwnagotchi/mesh/wifi.py b/pwnagotchi/mesh/wifi.py
index ea81022c..aa2a1da1 100644
--- a/pwnagotchi/mesh/wifi.py
+++ b/pwnagotchi/mesh/wifi.py
@@ -1,5 +1,4 @@
-NumChannels = 140
-NumChannelsExt = 165  # see https://github.com/evilsocket/pwnagotchi/issues/583
+NumChannels = 177
 
 
 def freq_to_channel(freq):
diff --git a/pwnagotchi/utils.py b/pwnagotchi/utils.py
index 1a346f83..2cc25bc0 100644
--- a/pwnagotchi/utils.py
+++ b/pwnagotchi/utils.py
@@ -130,10 +130,10 @@ def merge_config(user, default):
 
 
 def keys_to_str(data):
-    if isinstance(data,list):
+    if isinstance(data, list):
         converted_list = list()
         for item in data:
-            if isinstance(item,list) or isinstance(item,dict):
+            if isinstance(item, list) or isinstance(item, dict):
                 converted_list.append(keys_to_str(item))
             else:
                 converted_list.append(item)
@@ -277,7 +277,8 @@ def load_config(args):
     elif config['ui']['display']['type'] in ('ws_154inch', 'ws154inch', 'waveshare_154inch', 'waveshare154inch'):
         config['ui']['display']['type'] = 'waveshare154inch'
 
-    elif config['ui']['display']['type'] in ('waveshare144lcd', 'ws_144inch', 'ws144inch', 'waveshare_144inch', 'waveshare144inch'):
+    elif config['ui']['display']['type'] in (
+            'waveshare144lcd', 'ws_144inch', 'ws144inch', 'waveshare_144inch', 'waveshare144inch'):
         config['ui']['display']['type'] = 'waveshare144lcd'
 
     elif config['ui']['display']['type'] in ('ws_213d', 'ws213d', 'waveshare_213d', 'waveshare213d'):
@@ -285,7 +286,7 @@ def load_config(args):
 
     elif config['ui']['display']['type'] in ('ws_213bc', 'ws213bc', 'waveshare_213bc', 'waveshare213bc'):
         config['ui']['display']['type'] = 'waveshare213bc'
-    
+
     elif config['ui']['display']['type'] in ('ws_213bv4', 'ws213bv4', 'waveshare_213bv4', 'waveshare213inb_v4'):
         config['ui']['display']['type'] = 'waveshare213inb_v4'
 
@@ -318,7 +319,8 @@ def total_unique_handshakes(path):
 
 def iface_channels(ifname):
     channels = []
-    output = subprocess.getoutput("/sbin/iwlist %s freq" % ifname)
+    phy = subprocess.getoutput("/sbin/iw %s info | grep wiphy | cut -d ' ' -f 2" % ifname)
+    output = subprocess.getoutput("/sbin/iw phy%s channels | grep ' MHz' | sed 's/^.*\[//g' | sed s/\].*\$//g" % phy)
     for line in output.split("\n"):
         line = line.strip()
         if line.startswith("Channel "):