diff --git a/fhem/FHEM/HMConfig.pm b/fhem/FHEM/HMConfig.pm
index 4bce32800..b6474884d 100644
--- a/fhem/FHEM/HMConfig.pm
+++ b/fhem/FHEM/HMConfig.pm
@@ -646,7 +646,7 @@ foreach my $al (keys %culHmModel){ # duplicate entries for alias devices
                                                                                  
   averaging       =>{a=>122.0,s=>1  ,l=>1,min=>1      ,max=>16     ,c=>''        ,p=>'n',f=>''      ,u=>'s'   ,d=>1,t=>"averaging period"},
   txMinDly        =>{a=>123.0,s=>0.7,l=>1,min=>0      ,max=>16     ,c=>''        ,p=>'n',f=>''      ,u=>'s'   ,d=>1,t=>"min transmit delay"},
-  txThrPwr        =>{a=>124.0,s=>3  ,l=>1,min=>"0.01" ,max=>3680   ,c=>''        ,p=>'n',f=>100     ,u=>'W'   ,d=>1,t=>"threshold power"                      ,lit=>{unused=>0}},
+  txThrPwr        =>{a=>124.0,s=>3  ,l=>1,min=>"0.00" ,max=>3680   ,c=>''        ,p=>'n',f=>100     ,u=>'W'   ,d=>1,t=>"threshold power"                      ,lit=>{unused=>0}},
   txThrCur        =>{a=>127.0,s=>2  ,l=>1,min=>0      ,max=>16000  ,c=>''        ,p=>'n',f=>''      ,u=>'mA'  ,d=>1,t=>"threshold current"                    ,lit=>{unused=>0}},
   txThrVlt        =>{a=>129.0,s=>2  ,l=>1,min=>"0.0"  ,max=>230    ,c=>''        ,p=>'n',f=>10      ,u=>'V'   ,d=>1,t=>"threshold voltage"                    ,lit=>{unused=>0}},
   txThrFrq        =>{a=>131.0,s=>1  ,l=>1,min=>"0.00" ,max=>2.55   ,c=>''        ,p=>'n',f=>100     ,u=>'Hz'  ,d=>1,t=>"threshold frequency"                  ,lit=>{unused=>0}},