diff --git a/Multiprotocol/V911S_nrf24l01.ino b/Multiprotocol/V911S_nrf24l01.ino
index 25c75da..ead0e2d 100644
--- a/Multiprotocol/V911S_nrf24l01.ino
+++ b/Multiprotocol/V911S_nrf24l01.ino
@@ -16,7 +16,7 @@
 
 #if defined(V911S_NRF24L01_INO)
 
-#include "iface_xn297l.h"
+#include "iface_nrf24l01.h"
 
 //#define V911S_ORIGINAL_ID
 
@@ -75,25 +75,35 @@ static void __attribute__((unused)) V911S_send_packet(uint8_t bind)
 		packet[12] = ch>>5;
 	}
 	
+	// Power on, TX mode, 2byte CRC
+	XN297_Configure(_BV(NRF24L01_00_EN_CRC) | _BV(NRF24L01_00_CRCO) | _BV(NRF24L01_00_PWR_UP));
 	if (!bind)
 	{
-		XN297L_Hopping(channel);
+		NRF24L01_WriteReg(NRF24L01_05_RF_CH, hopping_frequency[channel]);
 		hopping_frequency_no++;
 		hopping_frequency_no&=7;	// 8 RF channels
 	}
+	// clear packet status bits and TX FIFO
+	NRF24L01_WriteReg(NRF24L01_07_STATUS, 0x70);
+	NRF24L01_FlushTx();
+	XN297_WritePayload(packet, V911S_PACKET_SIZE);
 
-	XN297L_WritePayload(packet, V911S_PACKET_SIZE);
-
-	XN297L_SetPower();				// Set tx_power
-	XN297L_SetFreqOffset();			// Set frequency offset
+	NRF24L01_SetPower();	// Set tx_power
 }
 
 static void __attribute__((unused)) V911S_init()
 {
-	XN297L_Init();
-	XN297L_SetTXAddr((uint8_t *)"KNBND",5);			// Bind address
-	XN297L_HoppingCalib(V911S_NUM_RF_CHANNELS);		// Calibrate all channels
-	XN297L_RFChannel(V911S_RF_BIND_CHANNEL);		// Set bind channel
+	NRF24L01_Initialize();
+	NRF24L01_SetTxRxMode(TX_EN);
+	XN297_SetTXAddr((uint8_t *)"\x4B\x4E\x42\x4E\x44", 5);			// Bind address
+	NRF24L01_WriteReg(NRF24L01_05_RF_CH, V911S_RF_BIND_CHANNEL);	// Bind channel
+	NRF24L01_FlushTx();
+	NRF24L01_FlushRx();
+	NRF24L01_WriteReg(NRF24L01_07_STATUS, 0x70);	// Clear data ready, data sent, and retransmit
+	NRF24L01_WriteReg(NRF24L01_01_EN_AA, 0x00);		// No Auto Acknowldgement on all data pipes
+	NRF24L01_WriteReg(NRF24L01_02_EN_RXADDR, 0x01);	// Enable data pipe 0 only
+	NRF24L01_SetBitrate(NRF24L01_BR_250K);			// 250Kbps
+	NRF24L01_SetPower();
 }
 
 static void __attribute__((unused)) V911S_initialize_txid()
diff --git a/Multiprotocol/V911S_xn297l.ino b/Multiprotocol/V911S_xn297l.ino
new file mode 100644
index 0000000..aa14583
--- /dev/null
+++ b/Multiprotocol/V911S_xn297l.ino
@@ -0,0 +1,170 @@
+/*
+ This project is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Multiprotocol is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Multiprotocol.  If not, see <http://www.gnu.org/licenses/>.
+ */
+// compatible with V911S
+
+#if defined(V911S_XN297L_INO)
+
+#include "iface_xn297l.h"
+
+//#define V911S_ORIGINAL_ID
+
+#define V911S_PACKET_PERIOD			5000
+#define V911S_BIND_PACKET_PERIOD	3300
+#define V911S_INITIAL_WAIT			500
+#define V911S_PACKET_SIZE			16
+#define V911S_RF_BIND_CHANNEL		35
+#define V911S_NUM_RF_CHANNELS		8
+#define V911S_BIND_COUNT			200
+
+// flags going to packet[1]
+#define	V911S_FLAG_EXPERT	0x04
+// flags going to packet[2]
+#define	V911S_FLAG_CALIB	0x01
+
+static void __attribute__((unused)) V911S_send_packet(uint8_t bind)
+{
+	if(bind)
+	{
+		packet[0] = 0x42;
+		packet[1] = 0x4E;
+		packet[2] = 0x44;
+		for(uint8_t i=0;i<5;i++)
+			packet[i+3] = rx_tx_addr[i];
+		for(uint8_t i=0;i<8;i++)
+			packet[i+8] = hopping_frequency[i];
+	}
+	else
+	{
+		uint8_t channel=hopping_frequency_no;
+		if(rf_ch_num&1)
+		{
+			if((hopping_frequency_no&1)==0)
+				channel+=8;
+			channel>>=1;
+		}
+		if(rf_ch_num&2)
+			channel=7-channel;
+		packet[ 0]=(rf_ch_num<<3)|channel;
+		packet[ 1]=V911S_FLAG_EXPERT;					// short press on left button
+		packet[ 2]=GET_FLAG(CH5_SW,V911S_FLAG_CALIB);	// long  press on right button
+		memset(packet+3, 0x00, V911S_PACKET_SIZE - 3);
+		//packet[3..6]=trims TAER signed
+		uint16_t ch=convert_channel_16b_limit(THROTTLE ,0,0x7FF);
+		packet[ 7] = ch;
+		packet[ 8] = ch>>8;
+		ch=convert_channel_16b_limit(AILERON ,0x7FF,0);
+		packet[ 8]|= ch<<3;
+		packet[ 9] = ch>>5;
+		ch=convert_channel_16b_limit(ELEVATOR,0,0x7FF);
+		packet[10] = ch;
+		packet[11] = ch>>8;
+		ch=convert_channel_16b_limit(RUDDER  ,0x7FF,0);
+		packet[11]|= ch<<3;
+		packet[12] = ch>>5;
+	}
+	
+	if (!bind)
+	{
+		XN297L_Hopping(channel);
+		hopping_frequency_no++;
+		hopping_frequency_no&=7;	// 8 RF channels
+	}
+
+	XN297L_WritePayload(packet, V911S_PACKET_SIZE);
+
+	XN297L_SetPower();				// Set tx_power
+	XN297L_SetFreqOffset();			// Set frequency offset
+}
+
+static void __attribute__((unused)) V911S_init()
+{
+	XN297L_Init();
+	XN297L_SetTXAddr((uint8_t *)"KNBND",5);			// Bind address
+	XN297L_HoppingCalib(V911S_NUM_RF_CHANNELS);		// Calibrate all channels
+	XN297L_RFChannel(V911S_RF_BIND_CHANNEL);		// Set bind channel
+}
+
+static void __attribute__((unused)) V911S_initialize_txid()
+{
+	//channels
+	uint8_t offset=rx_tx_addr[3]%5;				// 0-4
+	for(uint8_t i=0;i<V911S_NUM_RF_CHANNELS;i++)
+		hopping_frequency[i]=0x10+i*5+offset;
+	if(!offset) hopping_frequency[0]++;
+	
+	// channels order
+	rf_ch_num=random(0xfefefefe)&0x03;			// 0-3
+}
+
+uint16_t V911S_callback()
+{
+	if(IS_BIND_DONE)
+	{
+		#ifdef MULTI_SYNC
+			telemetry_set_input_sync(V911S_PACKET_PERIOD);
+		#endif
+		V911S_send_packet(0);
+	}
+	else
+	{
+		if (bind_counter == 0)
+		{
+			BIND_DONE;
+			XN297_SetTXAddr(rx_tx_addr, 5);
+			packet_period=V911S_PACKET_PERIOD;
+		}
+		else
+		{
+			V911S_send_packet(1);
+			bind_counter--;
+			if(bind_counter==100)		// same as original TX...
+				packet_period=V911S_BIND_PACKET_PERIOD*3;
+		}
+	}
+	return	packet_period;
+}
+
+uint16_t initV911S(void)
+{
+	V911S_initialize_txid();
+	#ifdef V911S_ORIGINAL_ID
+		rx_tx_addr[0]=0xA5;
+		rx_tx_addr[1]=0xFF;
+		rx_tx_addr[2]=0x70;
+		rx_tx_addr[3]=0x8D;
+		rx_tx_addr[4]=0x76;
+		for(uint8_t i=0;i<V911S_NUM_RF_CHANNELS;i++)
+			hopping_frequency[i]=0x10+i*5;
+		hopping_frequency[0]++;
+		rf_ch_num=0;
+	#endif
+
+	V911S_init();
+
+	if(IS_BIND_IN_PROGRESS)
+	{
+		bind_counter = V911S_BIND_COUNT;
+		packet_period= V911S_BIND_PACKET_PERIOD;
+	}
+	else
+	{
+		XN297_SetTXAddr(rx_tx_addr, 5);
+		packet_period= V911S_PACKET_PERIOD;
+	}
+	hopping_frequency_no=0;
+	return	V911S_INITIAL_WAIT;
+}
+
+#endif