diff -ruN observium-default/includes/definitions/mibs/gude.inc.php observium/includes/definitions/mibs/gude.inc.php
--- observium-default/includes/definitions/mibs/gude.inc.php	2023-02-22 09:04:26.452612088 +0100
+++ observium/includes/definitions/mibs/gude.inc.php	2023-02-22 09:16:17.761199629 +0100
@@ -797,4 +797,62 @@
   'max'       => 999,
 ];
 
+$mib = 'GUDEADS-PDU8306-MIB';
+$config['mibs'][$mib]['enable'] = 1;
+$config['mibs'][$mib]['identity_num'] = '.1.3.6.1.4.1.28507.44';
+$config['mibs'][$mib]['mib_dir'] = 'gude';
+$config['mibs'][$mib]['descr'] = '';
+
+$config['mibs'][$mib]['counter'][] = array(
+  'table'   => 'pdu8306PowerTable',
+  'class'   => 'energy',
+  'descr'   => 'Output %index%',
+  'oid'     => 'pdu8306AbsEnergyActive',
+  'oid_num' => '.1.3.6.1.4.1.28507.44.1.5.1.2.1.3',
+  'scale'   => 1
+);
+
+$config['mibs'][$mib]['sensor'][] = array(
+  'table'   => 'pdu8306PowerTable',
+  'class'   => 'power',
+  'descr'   => 'Output %index%',
+  'oid'     => 'pdu8306PowerActive',
+  'oid_num' => '.1.3.6.1.4.1.28507.44.1.5.1.2.1.4'
+);
+
+$config['mibs'][$mib]['sensor'][] = array(
+  'table'   => 'pdu8306PowerTable',
+  'class'   => 'current',
+  'descr'   => 'Output %index%',
+  'oid'     => 'pdu8306Current',
+  'oid_num' => '.1.3.6.1.4.1.28507.44.1.5.1.2.1.5',
+  'scale'   => 0.001
+);
+
+$config['mibs'][$mib]['sensor'][] = array(
+  'table'   => 'pdu8306PowerTable',
+  'class'   => 'voltage',
+  'descr'   => 'Output %index%',
+  'oid'     => 'pdu8306Voltage',
+  'oid_num' => '.1.3.6.1.4.1.28507.44.1.5.1.2.1.6'
+);
+
+$config['mibs'][$mib]['sensor'][] = array(
+  'table'   => 'pdu8306PowerTable',
+  'class'   => 'frequency',
+  'descr'   => 'Output %index%',
+  'oid'     => 'pdu8306Frequency',
+  'oid_num' => '.1.3.6.1.4.1.28507.44.1.5.1.2.1.7',
+  'scale'   => 0.01
+);
+
+$config['mibs'][$mib]['sensor'][] = array(
+  'table'   => 'pdu8306PowerTable',
+  'class'   => 'powerfactor',
+  'descr'   => 'Output %index%',
+  'oid'     => 'pdu8306PowerFactor',
+  'oid_num' => '.1.3.6.1.4.1.28507.44.1.5.1.2.1.8',
+  'scale'   => 0.001
+);
+
 // EOF
diff -ruN observium-default/includes/definitions/os/gude.inc.php observium/includes/definitions/os/gude.inc.php
--- observium-default/includes/definitions/os/gude.inc.php	2023-02-22 09:04:26.548611627 +0100
+++ observium/includes/definitions/os/gude.inc.php	2023-02-22 09:20:20.008038081 +0100
@@ -26,6 +26,7 @@
 //Expert Power Control 1200
 //IPower Control 2x6 M
 //Expert PDU Energy 835X
+//Expert PDU Energy 8306
 $config['os'][$os]['sysDescr_regex'][]      = '/^(?<hardware>.+)$/';
 $config['os'][$os]['mibs'][]                = "GUDEADS-EPC8X-MIB";
 $config['os'][$os]['mibs'][]                = "GUDEADS-EPC2X6-MIB";
@@ -53,6 +54,7 @@
 $config['os'][$os]['sysObjectID'][]         = ".1.3.6.1.4.1.28507.23";
 $config['os'][$os]['sysObjectID'][]         = ".1.3.6.1.4.1.28507.27";
 $config['os'][$os]['sysObjectID'][]         = ".1.3.6.1.4.1.28507.35";
+$config['os'][$os]['sysObjectID'][]         = ".1.3.6.1.4.1.28507.44";
 $config['os'][$os]['sysObjectID'][]         = ".1.3.6.1.4.1.28507.52";
 $config['os'][$os]['sysObjectID'][]         = ".1.3.6.1.4.1.28507.54";
 $config['os'][$os]['sysObjectID'][]         = ".1.3.6.1.4.1.28507.62";
@@ -89,6 +91,7 @@
   '.1.3.6.1.4.1.28507.23'          => [ 'name' => 'Expert PDU 8110',      'mibs' => [ 'GUDEADS-PDU8110-MIB' ] ],
   '.1.3.6.1.4.1.28507.27'          => [ 'name' => 'Expert PDU 8310',      'mibs' => [ 'GUDEADS-PDU8310-MIB' ] ],
   '.1.3.6.1.4.1.28507.35'          => [ 'name' => 'Expert PDU 818X',      'mibs' => [ 'GUDEADS-PDU818X-MIB' ] ],
+  '.1.3.6.1.4.1.28507.44'          => [ 'name' => 'Expert PDU 8306',      'mibs' => [ 'GUDEADS-PDU8306-MIB' ] ],
   '.1.3.6.1.4.1.28507.52'          => [ 'name' => 'Expert PDU 835X',      'mibs' => [ 'GUDEADS-PDU835X-MIB' ] ],
   '.1.3.6.1.4.1.28507.54'          => [ 'name' => 'Expert PDU 8340',      'mibs' => [ 'GUDEADS-PDU8340-MIB' ] ],
   '.1.3.6.1.4.1.28507.62'          => [ 'name' => 'Expert PDU 8311',      'mibs' => [ 'GUDEADS-PDU8311-MIB' ] ],