diff --git a/docs/boards/Board - HAKRCF405.md b/docs/boards/Board - HAKRCF405.md
new file mode 100755
index 000000000..348aed4f0
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+++ b/docs/boards/Board - HAKRCF405.md	
@@ -0,0 +1,122 @@
+# Board - HAKRCF405
+
+
+### Hardware and Features
+
+  - STM32CubeMX 	
+  - MCU	STM32F405RGT6
+  - IMU: MPU6000 (SPI) 
+  - VCP: yes
+  - OSD: Betaflight OSD
+  - Battery Voltage Sensor: yes
+  - Stable voltage regulation,9V/2A DCDC BEC for VTX/camera etc.And could select 5v/9v with pad
+  - Serial LED interface(LED_STRIP)
+  - 5 UART 
+  - BARO: QMP6988/BMP280(I2C_1)
+  - GPS
+  - 
+
+
+PERIPHERALS	MODES	FUNCTIONS	PINS
+ADC1	IN10	ADC1_IN10	PC0
+ADC1	IN11	ADC1_IN11	PC1
+ADC1	IN12	ADC1_IN12	PC2
+I2C1	SMBus-two-wire-Interface	I2C1_SCL	PB8
+I2C1	SMBus-two-wire-Interface	I2C1_SDA	PB9
+RCC	Crystal/Ceramic Resonator	RCC_OSC_IN	PH0-OSC_IN
+RCC	Crystal/Ceramic Resonator	RCC_OSC_OUT	PH1-OSC_OUT
+SPI1	Full-Duplex Master	SPI1_MISO	PA6
+SPI1	Full-Duplex Master	SPI1_MOSI	PA7
+SPI1	Full-Duplex Master	SPI1_SCK	PB3
+SPI1	Hardware NSS Input Signal	SPI1_NSS	PA4
+SPI2	Full-Duplex Master	SPI2_MISO	PB14
+SPI2	Full-Duplex Master	SPI2_MOSI	PC3
+SPI2	Full-Duplex Master	SPI2_SCK	PB13
+SPI2	Hardware NSS Output Signal	SPI2_NSS	PB12
+SPI3	Full-Duplex Master	SPI3_MISO	PC11
+SPI3	Full-Duplex Master	SPI3_MOSI	PB5
+SPI3	Full-Duplex Master	SPI3_SCK	PC10
+SYS	SysTick	SYS_VS_Systick	VP_SYS_VS_Systick
+TIM1	Output Compare CH1	TIM1_CH1	PA8
+TIM1	Output Compare CH3	TIM1_CH3	PA10
+TIM2	Output Compare CH1	TIM2_CH1	PA5
+TIM3	Output Compare CH2	TIM3_CH2	PC7
+TIM3	Output Compare CH3	TIM3_CH3	PB0
+TIM3	Output Compare CH4	TIM3_CH4	PB1
+TIM4	Output Compare CH1	TIM4_CH1	PB6
+TIM8	Output Compare CH1	TIM8_CH1	PC6
+TIM8	Output Compare CH3	TIM8_CH3	PC8
+TIM8	Output Compare CH4	TIM8_CH4	PC9
+TIM12	Input Capture direct mode	TIM12_CH2	PB15
+UART4	Multiprocessor Communication	UART4_RX	PA1
+UART4	Multiprocessor Communication	UART4_TX	PA0-WKUP
+UART5	Multiprocessor Communication	UART5_RX	PD2
+UART5	Multiprocessor Communication	UART5_TX	PC12
+USART1	Multiprocessor Communication	USART1_RX	PB7
+USART1	Multiprocessor Communication	USART1_TX	PA9
+USART2	Multiprocessor Communication	USART2_RX	PA3
+USART2	Multiprocessor Communication	USART2_TX	PA2
+USART3	Multiprocessor Communication	USART3_RX	PB11
+USART3	Multiprocessor Communication	USART3_TX	PB10
+
+
+
+Pin Nb	PINs	FUNCTIONs	LABELs
+2	PC13-ANTI_TAMP	GPIO_Output	LED0
+3	PC14-OSC32_IN	GPIO_Output	Beep
+5	PH0-OSC_IN	RCC_OSC_IN	
+6	PH1-OSC_OUT	RCC_OSC_OUT	
+8	PC0	ADC1_IN10	RSSI
+9	PC1	ADC1_IN11	VBAT
+10	PC2	ADC1_IN12	CURR
+11	PC3	SPI2_MOSI	
+14	PA0-WKUP	UART4_TX	extend/UART4_TX
+15	PA1	UART4_RX	
+16	PA2	USART2_TX	
+17	PA3	USART2_RX	
+20	PA4	SPI1_NSS	
+21	PA5	TIM2_CH1	
+22	PA6	SPI1_MISO	
+23	PA7	SPI1_MOSI	
+24	PC4	GPIO_Output	SPI1_CS
+26	PB0	TIM3_CH3	OUPUT1
+27	PB1	TIM3_CH4	OUPUT6
+29	PB10	USART3_TX	
+30	PB11	USART3_RX	
+33	PB12	SPI2_NSS	
+34	PB13	SPI2_SCK	
+35	PB14	SPI2_MISO	
+36	PB15	TIM12_CH2	PPM
+37	PC6	TIM8_CH1	OUPUT2
+38	PC7	TIM3_CH2	OUPUT7
+39	PC8	TIM8_CH3	OUPUT5
+40	PC9	TIM8_CH4	OUPUT8
+41	PA8	TIM1_CH1	OUPUT4
+42	PA9	USART1_TX	
+43	PA10	TIM1_CH3	OUPUT3
+46	PA13*	SYS_JTMS-SWDIO	
+49	PA14*	SYS_JTCK-SWCLK	
+50	PA15*	SPI3_NSS	
+51	PC10	SPI3_SCK	
+52	PC11	SPI3_MISO	
+53	PC12	UART5_TX	
+54	PD2	UART5_RX	
+55	PB3	SPI1_SCK	
+56	PB4	GPIO_Output	Inverter
+57	PB5	SPI3_MOSI	
+58	PB6	TIM4_CH1	LED1
+59	PB7	USART1_RX	USART1_RX
+61	PB8	I2C1_SCL	
+62	PB9	I2C1_SDA	
+
+
+## Manufacturers and Distributors
+
+HAKRC Loopur
+
+
+## Designers
+
+HAKRC Loopur
+
+
diff --git a/src/main/target/HAKRCF405/target.h b/src/main/target/HAKRCF405/target.h
index 2575c8387..bdf68faa7 100755
--- a/src/main/target/HAKRCF405/target.h
+++ b/src/main/target/HAKRCF405/target.h
@@ -120,10 +120,6 @@
 #define FLASH_CS_PIN           PB12
 #define FLASH_SPI_INSTANCE     SPI2
 
-#define USE_GPS
-#define USE_GPS_UBLOX
-#define USE_GPS_NMEA
-
 #define USE_SPI_DEVICE_3
 #define SPI3_SCK_PIN            PC10
 #define SPI3_MISO_PIN           PC11