diff --git a/mission/devices/SyrlinksHkHandler.cpp b/mission/devices/SyrlinksHkHandler.cpp
index 73581e4d..15011c55 100644
--- a/mission/devices/SyrlinksHkHandler.cpp
+++ b/mission/devices/SyrlinksHkHandler.cpp
@@ -88,6 +88,12 @@ ReturnValue_t SyrlinksHkHandler::buildCommandFromCommand(DeviceCommandId_t devic
       rawPacket = commandBuffer;
       return RETURN_OK;
     }
+    case (SYRLINKS::WRITE_LCL_CONFIG): {
+      writeLclConfig.copy(reinterpret_cast<char*>(commandBuffer), writeLclConfig.size(), 0);
+      rawPacketLen = writeLclConfig.size();
+      rawPacket = commandBuffer;
+      return RETURN_OK;
+    }
     case (SYRLINKS::READ_RX_STATUS_REGISTERS): {
       readRxStatusRegCommand.copy(reinterpret_cast<char*>(commandBuffer),
                                   readRxStatusRegCommand.size(), 0);
@@ -138,6 +144,8 @@ void SyrlinksHkHandler::fillCommandAndReplyMap() {
                                    false, true, SYRLINKS::ACK_REPLY);
   this->insertInCommandAndReplyMap(SYRLINKS::SET_TX_MODE_CW, 1, nullptr, SYRLINKS::ACK_SIZE, false,
                                    true, SYRLINKS::ACK_REPLY);
+  this->insertInCommandAndReplyMap(SYRLINKS::WRITE_LCL_CONFIG, 2, nullptr, SYRLINKS::ACK_SIZE, false,
+                                   true, SYRLINKS::ACK_REPLY);
   this->insertInCommandAndReplyMap(SYRLINKS::READ_TX_STATUS, 1, &txDataset,
                                    SYRLINKS::READ_ONE_REGISTER_REPLY_SIE);
   this->insertInCommandAndReplyMap(SYRLINKS::READ_TX_WAVEFORM, 1, &txDataset,
diff --git a/mission/devices/SyrlinksHkHandler.h b/mission/devices/SyrlinksHkHandler.h
index 8f828756..922cf0d1 100644
--- a/mission/devices/SyrlinksHkHandler.h
+++ b/mission/devices/SyrlinksHkHandler.h
@@ -61,12 +61,14 @@ class SyrlinksHkHandler : public DeviceHandlerBase {
 
   static const uint8_t CRC_INITIAL_VALUE = 0x0;
 
+  // Uses CRC-16/XMODEM
   std::string resetCommand = "<C04:5A5A:FF41>";
   std::string readRxStatusRegCommand = "<E00::825B>";
   std::string setTxModeStandby = "<W04:4000:7E58>";
   /** W - write, 04 - 4 bytes in data field, 01 - value, 40 register to write value */
   std::string setTxModeModulation = "<W04:4001:4D69>";
   std::string setTxModeCw = "<W04:4010:4968>";
+  std::string writeLclConfig = "<W04:0703:F320>";
   std::string readTxStatus = "<R02:40:7555>";
   std::string readTxWaveform = "<R02:44:B991>";
   std::string readTxAgcValueHighByte = "<R02:46:DFF3>";
diff --git a/mission/devices/devicedefinitions/SyrlinksDefinitions.h b/mission/devices/devicedefinitions/SyrlinksDefinitions.h
index 3b56918a..268cb9ea 100644
--- a/mission/devices/devicedefinitions/SyrlinksDefinitions.h
+++ b/mission/devices/devicedefinitions/SyrlinksDefinitions.h
@@ -18,6 +18,7 @@ static const DeviceCommandId_t READ_TX_STATUS = 0x07;
 static const DeviceCommandId_t READ_TX_WAVEFORM = 0x08;
 static const DeviceCommandId_t READ_TX_AGC_VALUE_HIGH_BYTE = 0x09;
 static const DeviceCommandId_t READ_TX_AGC_VALUE_LOW_BYTE = 0x0A;
+static const DeviceCommandId_t WRITE_LCL_CONFIG = 0x0B;
 
 /** Size of a simple transmission success response */
 static const uint8_t ACK_SIZE = 12;
diff --git a/tmtc b/tmtc
index 5816f05c..c1a81709 160000
--- a/tmtc
+++ b/tmtc
@@ -1 +1 @@
-Subproject commit 5816f05ccf8971f3cf2dd1d603dd3f5a33f6f504
+Subproject commit c1a8170945f1cb5ed041175506eb8c1cfcbefc6a