diff --git a/RNS/Interfaces/Android/RNodeInterface.py b/RNS/Interfaces/Android/RNodeInterface.py
index baae79a..f7bc65c 100644
--- a/RNS/Interfaces/Android/RNodeInterface.py
+++ b/RNS/Interfaces/Android/RNodeInterface.py
@@ -516,7 +516,7 @@ class RNodeInterface(Interface):
             RNS.log("Invalid frequency configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 
-        if (self.txpower < 0 or self.txpower > 22):
+        if (self.txpower < 0 or self.txpower > 37):
             RNS.log("Invalid TX power configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 
diff --git a/RNS/Interfaces/RNodeInterface.py b/RNS/Interfaces/RNodeInterface.py
index f9f3790..4afdd0d 100644
--- a/RNS/Interfaces/RNodeInterface.py
+++ b/RNS/Interfaces/RNodeInterface.py
@@ -280,7 +280,7 @@ class RNodeInterface(Interface):
             RNS.log("Invalid frequency configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 
-        if (self.txpower < 0 or self.txpower > 22):
+        if (self.txpower < 0 or self.txpower > 37):
             RNS.log("Invalid TX power configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 
diff --git a/RNS/Interfaces/RNodeMultiInterface.py b/RNS/Interfaces/RNodeMultiInterface.py
index ae55c1a..bf9d0dd 100644
--- a/RNS/Interfaces/RNodeMultiInterface.py
+++ b/RNS/Interfaces/RNodeMultiInterface.py
@@ -1012,7 +1012,7 @@ class RNodeSubInterface(Interface):
             RNS.log("Invalid interface type configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 
-        if (self.txpower < -9 or self.txpower > 27):
+        if (self.txpower < -9 or self.txpower > 37):
             RNS.log("Invalid TX power configured for "+str(self), RNS.LOG_ERROR)
             self.validcfg = False
 
diff --git a/RNS/Utilities/rnodeconf.py b/RNS/Utilities/rnodeconf.py
index f079710..ab41418 100755
--- a/RNS/Utilities/rnodeconf.py
+++ b/RNS/Utilities/rnodeconf.py
@@ -319,7 +319,7 @@ models = {
     0xC9: [850000000, 950000000, 17, "850 - 950 MHz", "rnode_firmware_heltec32v2.zip", "SX1276"],
     0xC5: [420000000, 520000000, 22, "420 - 520 MHz", "rnode_firmware_heltec32v3.zip", "SX1268"],
     0xCA: [850000000, 950000000, 22, "850 - 950 MHz", "rnode_firmware_heltec32v3.zip", "SX1262"],
-    0xC8: [850000000, 950000000, 22, "850 - 950 MHz", "rnode_firmware_heltec32v4pa.zip", "SX1262"],
+    0xC8: [860000000, 930000000, 28, "850 - 950 MHz", "rnode_firmware_heltec32v4pa.zip", "SX1262"],
     0xC6: [420000000, 520000000, 22, "420 - 520 MHz", "rnode_firmware_heltec_t114.zip", "SX1268"],
     0xC7: [850000000, 950000000, 22, "850 - 950 MHz", "rnode_firmware_heltec_t114.zip", "SX1262"],
     0xE4: [420000000, 520000000, 17, "420 - 520 MHz", "rnode_firmware_tbeam.zip", "SX1278"],
diff --git a/docs/Reticulum Manual.epub b/docs/Reticulum Manual.epub
index 080210f..2c6ce3b 100644
Binary files a/docs/Reticulum Manual.epub and b/docs/Reticulum Manual.epub differ
diff --git a/docs/Reticulum Manual.pdf b/docs/Reticulum Manual.pdf
index 9762074..a8b7674 100644
Binary files a/docs/Reticulum Manual.pdf and b/docs/Reticulum Manual.pdf differ