diff --git a/librfm.c b/librfm.c
index db96cf5..991aae1 100644
--- a/librfm.c
+++ b/librfm.c
@@ -72,7 +72,7 @@
     }
 }
 
-void rfmInit(uint64_t freq, uint8_t node) {
+bool rfmInit(uint64_t freq, uint8_t node) {
     // wait a bit after power on
     _rfmDelay5();
     _rfmDelay5();
@@ -82,9 +82,12 @@
 
     _rfmDelay5();
 
-    // uint8_t version = regRead(0x10);
+    uint8_t version = regRead(0x10);
     // printString("Version: ");
     // printHex(version);
+    if (version == 0x00) {
+        return false;
+    }
 
     // packet mode, FSK modulation, no shaping (default)
     regWrite(DATA_MOD, 0x00);
@@ -180,6 +183,8 @@
     regWrite(TEST_DAGC, 0x30);
 
     // printString("Radio init done\r\n");
+
+    return true;
 }
 
 void rfmIrq(void) {
diff --git a/librfm.h b/librfm.h
index f921684..4db5714 100644
--- a/librfm.h
+++ b/librfm.h
@@ -124,9 +124,11 @@
 
 /**
  * Initializes the radio module with the given carrier frequency in kilohertz
- * and node address.
+ * and node address. Returns true on success, false otherwise.
+ * 
+ * @return success
  */
-void rfmInit(uint64_t freq, uint8_t node);
+bool rfmInit(uint64_t freq, uint8_t node);
 
 /**
  * Reads interrupt flags. Should be called when any interrupt occurs