diff --git a/include/lora/utilities.h b/include/lora/utilities.h
index 2f46993..25f8dea 100644
--- a/include/lora/utilities.h
+++ b/include/lora/utilities.h
@@ -24,6 +24,7 @@
 #include <cstdint>
 #include <string.h>
 #include <iomanip>
+#include <sstream>
 
 #define MAC_CRC_SIZE 2u
 #define MAX_PWR_QUEUE_SIZE 4
@@ -348,11 +349,18 @@ namespace gr {
         }
 
         template <typename T>
-        inline void print_vector_hex(std::ostream& out, const T* v, const uint32_t size, bool endline) {
+        inline void print_vector_hex(std::ostream& out, const T* v, const uint32_t size, bool endline, bool print_ascii) {
+            std::stringstream ss;
+
             for (uint32_t i = 0u; i < size; i++) {
                 out << " " << std::hex << std::setw(2) << std::setfill('0') << (int)v[i];
+                if (v[i] >= ' ' && v[i] <= '~')
+                    ss << v[i];
             }
 
+            if (print_ascii)
+                out << " (" << ss.str() << ")";
+
             if(endline)
                 out << std::endl;
 
diff --git a/lib/decoder_impl.cc b/lib/decoder_impl.cc
index 264e715..e0c9a91 100644
--- a/lib/decoder_impl.cc
+++ b/lib/decoder_impl.cc
@@ -840,7 +840,7 @@ namespace gr {
 
                     if (demodulate(input, true)) {
                         decode(true);
-                        gr::lora::print_vector_hex(std::cout, &d_decoded[0], d_decoded.size(), false);
+                        gr::lora::print_vector_hex(std::cout, &d_decoded[0], d_decoded.size(), false, false);
                         memcpy(&d_phdr, &d_decoded[0], sizeof(loraphy_header_t));
                         if (d_phdr.cr > 4)
                             d_phdr.cr = 4;
@@ -880,7 +880,7 @@ namespace gr {
 
                     if (d_payload_symbols <= 0) {
                         decode(false);
-                        gr::lora::print_vector_hex(std::cout, &d_decoded[0], d_payload_length, true);
+                        gr::lora::print_vector_hex(std::cout, &d_decoded[0], d_payload_length, true, true);
                         msg_lora_frame();
 
                         d_state = gr::lora::DecoderState::DETECT;