diff --git a/software/card9.h b/software/card9.h
new file mode 100644
index 0000000..69c25db
--- /dev/null
+++ b/software/card9.h
@@ -0,0 +1,28 @@
+
+struct data{
+	uint8_t characteristicAndVersion; // must be 0xA1
+	uint8_t type; //0->event 1->command 2->request 3->response
+	uint16_t extendDataSize; //little_endian
+	unsigned char data[];
+}
+struct eventData{
+	uint8_t eventType; //0->cardDidScan 1->doorDidOpen 2->doorDidClose 3->doorReleaseDidTriggered 4->alarmDidOn 5->alarmDidOff 
+}
+struct commandData{
+	uint8_t commandType; //0->doDoorOpen 1->doAlarmOn 2->doAlarmOff
+}
+struct requestData{
+	uint8_t requestType; //0->auth
+	uint8_t reserved; //must be 0x00
+	uint16_t paramSize; //little_endian
+	unsigned char param[];
+}
+struct authParam{
+	uint32_t cardId; //little_endian
+}
+struct responseData{
+	uint8_t responseType; //0->negative 1->positive 2->natural
+	uint8_t reserved; //must be 0x00
+	uint16_t paramSize;
+	unsigned char param[];
+}
\ No newline at end of file