From 8f0ba240593891100c57fb976a3aadbfb591d57c Mon Sep 17 00:00:00 2001
From: Bryan Biedenkapp <gatekeep@gmail.com>
Date: Mon, 23 Mar 2026 16:56:54 -0400
Subject: [PATCH] you know how some parents need to best effort child proof
 electrical sockets to prevent shocks? yea lets at least *try* to child proof
 700mhz;

---
 configs/iden_table.example.dat |  1 -
 src/host/Host.Config.cpp       | 12 ++++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/configs/iden_table.example.dat b/configs/iden_table.example.dat
index a34c0446..43ffe9ac 100644
--- a/configs/iden_table.example.dat
+++ b/configs/iden_table.example.dat
@@ -5,7 +5,6 @@
 #
 # ChId,Base Freq,Spacing (khz),Input Offset (mhz),Bandwidth (khz),<newline>
 0,851006250,6.25,-45.000,12.5,
-1,762006250,6.25,30.000,12.5,
 15,935001250,6.25,-39.00000,12.5,
 2,450000000,6.25,5.000,12.5,
 3,146000000,6.25,1.000,12.5,
diff --git a/src/host/Host.Config.cpp b/src/host/Host.Config.cpp
index 72c21218..618a80e1 100644
--- a/src/host/Host.Config.cpp
+++ b/src/host/Host.Config.cpp
@@ -170,6 +170,10 @@ bool Host::readParams()
             return false;
         }
 
+        if (entry.baseFrequency() > 762000000U && entry.baseFrequency() < 804000000U) {
+            ::fatal("I would bet real money, that you aren't licensed for this -- error 70");
+        }
+
         m_channelNo = (uint32_t)::strtoul(rfssConfig["channelNo"].as<std::string>("1").c_str(), NULL, 16);
         if (m_channelNo == 0U) { // clamp to 1
             m_channelNo = 1U;
@@ -189,6 +193,14 @@ bool Host::readParams()
         m_txFrequency = (uint32_t)((entry.baseFrequency() + ((calcSpace * 125) * m_channelNo)));
         m_rxFrequency = (uint32_t)(m_txFrequency + (int32_t)calcTxOffset);
 
+        if (m_txFrequency >= 762000000U && m_txFrequency <= 775000000U) {
+            ::fatal("error 70");
+        }
+
+        if (m_rxFrequency >= 797000000U && m_rxFrequency <= 805000000U) {
+            ::fatal("error 70");
+        }
+
         if (calcTxOffset < 0.0f && m_rxFrequency < entry.baseFrequency()) {
             ::LogWarning(LOG_HOST, "Channel Id %u Channel No $%04X has an invalid frequency. Rx Frequency (%u) is less then the base frequency (%u), this may result in incorrect trunking behavior.", m_channelId, m_channelNo,
                 m_rxFrequency, entry.baseFrequency());