diff --git a/Inc/SerialPortArtery.h b/Inc/SerialPortArtery.h
index eef7a61..148f97d 100644
--- a/Inc/SerialPortArtery.h
+++ b/Inc/SerialPortArtery.h
@@ -30,6 +30,7 @@ typedef struct {
 
     osMessageQueueId_t rxDataQueue;
     osMessageQueueId_t rxDataSnifferQueue;
+    osMessageQueueId_t rxDataSnifferSecondQueue;
 } tSerialPortArtery;
 
 void vSerialPortInit(
@@ -201,7 +202,9 @@ tSerialPortIO vSerialPortGetIo(tSerialPortArtery *env);
 
 tSerialPortIO vSerialPortGetSnifferIo(tSerialPortArtery *env);
 
-uint16_t vSerialPortTransmit(tSerialPortArtery *env, uint8_t *data, uint16_t size, uint32_t timeout);
+tSerialPortIO SerialPort_GetSnifferSecondIo(tSerialPortArtery *env);
+
+        uint16_t vSerialPortTransmit(tSerialPortArtery *env, uint8_t *data, uint16_t size, uint32_t timeout);
 
 uint16_t vSerialPortBlindTransmit(tSerialPortArtery *env, uint8_t *data, uint16_t size, uint32_t timeout);
 
diff --git a/Src/SerialPortArtery.c b/Src/SerialPortArtery.c
index a3890ea..1d43867 100644
--- a/Src/SerialPortArtery.c
+++ b/Src/SerialPortArtery.c
@@ -524,7 +524,7 @@ void SerialPortFilter_RxDmaBufToQueue(tSerialPortArtery *env, uint32_t bufEnd,
 }
 
 void SerialPort_RxDmaBufToQueue(tSerialPortArtery *env, uint32_t bufEnd) {
-
+    osStatus_t res;
     for (uint32_t i = env->rxDmaOffset; i < bufEnd; ++i) {
         osMessageQueuePut(env->rxDataQueue, &env->rxDmaBuf[i], 0x0, 0U);
         if (env->rxDataSnifferQueue) {
@@ -664,6 +664,12 @@ static uint16_t vSerialPortReceiveSniffer(tSerialPortArtery *env, uint8_t *data,
            : 0;
 }
 
+static uint16_t vSerialPortReceiveSnifferSecond(tSerialPortArtery *env, uint8_t *data, uint16_t size, uint32_t timeout) {
+
+    return env->rxDataSnifferSecondQueue
+           ? vSerialPortReceiveQueue(env, data, size, timeout, env->rxDataSnifferSecondQueue)
+           : 0;
+}
 
 static uint16_t vSerialPortTransmitOverDma(tSerialPortArtery *env, uint8_t *data, uint16_t size, uint32_t timeout) {
     uint16_t sent = 0;
@@ -784,3 +790,12 @@ tSerialPortIO vSerialPortGetSnifferIo(tSerialPortArtery *env) {
     };
     return io;
 }
+
+tSerialPortIO SerialPort_GetSnifferSecondIo(tSerialPortArtery *env) {
+    tSerialPortIO io = {
+            .env = env,
+            .receive = (SerialPortIOTransaction) vSerialPortReceiveSnifferSecond,
+            .transmit =  vSerialPortTransmitterGet(env)
+    };
+    return io;
+}
\ No newline at end of file