diff --git a/src/mrf24j.cpp b/src/mrf24j.cpp
index b720cd6..b90ae53 100644
--- a/src/mrf24j.cpp
+++ b/src/mrf24j.cpp
@@ -104,12 +104,17 @@ word Mrf24j::address16_read(void) {
     return a16h << 8 | read_short(MRF_SADRL);
 }
 
+
+void Mrf24j::send_str(word dest16, char * data) { 
+    byte len = strlen(data); // get the length of the char* array
+    send(dest16, data, len);
+}
+
 /**
  * Simple send 16, with acks, not much of anything.. assumes src16 and local pan only.
  * @param data
  */
-void Mrf24j::send16(word dest16, char * data) {
-    byte len = strlen(data); // get the length of the char* array
+void Mrf24j::send(word dest16, char * data, int len) {
     int i = 0;
     write_long(i++, bytes_MHR); // header length
     // +ignoreBytes is because some module seems to ignore 2 bytes after the header?!.
diff --git a/src/mrf24j.h b/src/mrf24j.h
index 1475b95..1a0df63 100644
--- a/src/mrf24j.h
+++ b/src/mrf24j.h
@@ -227,7 +227,8 @@ class Mrf24j
          */
         void set_palna(boolean enabled);
 
-        void send16(word dest16, char * data);
+        void send(word dest16, char * data, int len);
+        void send_str(word dest16, char * data);
 
         void interrupt_handler(void);
 
diff --git a/test/tx/main.cpp b/test/tx/main.cpp
index 8e96d1d..47a0de0 100644
--- a/test/tx/main.cpp
+++ b/test/tx/main.cpp
@@ -47,7 +47,7 @@ int main() {
     //mrf.wake();
     
     sprintf(tmp,"Received %i\n\r", i);
-    mrf.send16(0x4202, tmp);
+    mrf.send_str(0x4202, tmp);
     
     _delay_ms(2000);
   }