diff --git a/docs/cli_commands.md b/docs/cli_commands.md
index f4a43fad3..9fde4d436 100644
--- a/docs/cli_commands.md
+++ b/docs/cli_commands.md
@@ -628,7 +628,7 @@ This document provides an overview of CLI commands that can be sent to MeshCore
 - `set agc.reset.interval <value>`
 
 **Parameters:**
-- `value`: Interval in seconds rounded down to a multiple of 4 (17 becomes 16). 0 to disable.
+- `value`: Interval in seconds, 0-1020, rounded down to a multiple of 4 (17 becomes 16). 0 to disable.
 
 **Default:** `0.0`
 
diff --git a/examples/companion_radio/NodePrefs.h b/examples/companion_radio/NodePrefs.h
index 4b169d73f..46a3dbb7c 100644
--- a/examples/companion_radio/NodePrefs.h
+++ b/examples/companion_radio/NodePrefs.h
@@ -106,8 +106,8 @@ private:
     void setTxPower(uint8_t dbm) override { _parent->tx_power_dbm = dbm; markDirty(); }
     float getRxDelay() const override { return _parent->rx_delay_base; }
     void setRxDelay(float d) override { _parent->rx_delay_base = d; markDirty(); }
-    uint8_t getAgcResetInt() const override { return _parent->agc_reset_interval * 4; }
-    void setAgcResetInt(uint8_t secs) override { _parent->agc_reset_interval = secs / 4; markDirty(); }
+    uint16_t getAgcResetInt() const override { return _parent->agc_reset_interval * 4; }
+    void setAgcResetInt(uint16_t secs) override { _parent->agc_reset_interval = secs / 4; markDirty(); }
     uint8_t getHashMode() const override { return _parent->path_hash_mode; }
     void setHashMode(uint8_t m) override { _parent->path_hash_mode = m; markDirty(); }
     uint8_t getMultiAcks() const override { return _parent->multi_acks; }
diff --git a/src/helpers/CommonCLI.h b/src/helpers/CommonCLI.h
index 8591cdc14..2759b0c4f 100644
--- a/src/helpers/CommonCLI.h
+++ b/src/helpers/CommonCLI.h
@@ -119,8 +119,8 @@ private:
     void setTxPower(uint8_t dbm) override { _parent->tx_power_dbm = dbm; markDirty(); }
     float getRxDelay() const override { return _parent->rx_delay_base; }
     void setRxDelay(float d) override { _parent->rx_delay_base = d; markDirty(); }
-    uint8_t getAgcResetInt() const override { return _parent->agc_reset_interval * 4; }
-    void setAgcResetInt(uint8_t secs) override { _parent->agc_reset_interval = secs / 4; markDirty(); }
+    uint16_t getAgcResetInt() const override { return _parent->agc_reset_interval * 4; }
+    void setAgcResetInt(uint16_t secs) override { _parent->agc_reset_interval = secs / 4; markDirty(); }
     uint8_t getHashMode() const override { return _parent->path_hash_mode; }
     void setHashMode(uint8_t m) override { _parent->path_hash_mode = m; markDirty(); }
     uint8_t getMultiAcks() const override { return _parent->multi_acks; }
diff --git a/src/helpers/CommonRadioPrefs.cpp b/src/helpers/CommonRadioPrefs.cpp
index 9d92cad9a..41b179932 100644
--- a/src/helpers/CommonRadioPrefs.cpp
+++ b/src/helpers/CommonRadioPrefs.cpp
@@ -165,7 +165,9 @@ bool CommonRadioPrefs::handleCommand(const char* command, uint32_t sender_timest
     return true;
   }
   if (memcmp(command, "set agc.reset.interval ", 23) == 0) {
-    setAgcResetInt(atoi(&command[23]));
+    int secs = atoi(&command[23]);
+    secs = constrain(secs, 0, 255 * 4);
+    setAgcResetInt((uint16_t) secs);
     sprintf(reply, "OK - interval rounded to %d", (uint32_t) getAgcResetInt());
     return true;
   }
diff --git a/src/helpers/CommonRadioPrefs.h b/src/helpers/CommonRadioPrefs.h
index 96895bb2e..0e83ca9df 100644
--- a/src/helpers/CommonRadioPrefs.h
+++ b/src/helpers/CommonRadioPrefs.h
@@ -41,8 +41,8 @@ public:
   virtual float getRxDelay() const = 0;
   virtual void setRxDelay(float d) = 0;
 
-  virtual uint8_t getAgcResetInt() const = 0;
-  virtual void setAgcResetInt(uint8_t secs) = 0;
+  virtual uint16_t getAgcResetInt() const = 0;
+  virtual void setAgcResetInt(uint16_t secs) = 0;
 
   virtual uint8_t getHashMode() const = 0;
   virtual void setHashMode(uint8_t m) = 0;