diff --git a/bl654pa_gpio_uart.overlay b/bl654pa_gpio_uart.overlay
index 7bbbb2d..fbab12f 100644
--- a/bl654pa_gpio_uart.overlay
+++ b/bl654pa_gpio_uart.overlay
@@ -1,12 +1,11 @@
 &uart0 {
     compatible = "nordic,nrf-uarte";
     status = "okay";
-    current-speed = <1000000>;
-    //hw-flow-control;
+    current-speed = <1000000>; //<115200>;
+    hw-flow-control;
 };
 
 
-
 &pinctrl {
 	uart0_default: uart0_default {
 		group1 {
@@ -29,15 +28,31 @@
 			low-power-enable;
 		};
 	};
-
-
+};
 
 / {
 	chosen {
-        //zephyr,console = &uart0;
+		//zephyr,console = &uart0;
 		//zephyr,shell-uart = &uart0;
 		//zephyr,uart-mcumgr = &uart0;
 		//zephyr,bt-mon-uart = &uart0;
 		zephyr,bt-c2h-uart = &uart0;
 	};
-};
\ No newline at end of file
+};
+
+/ {
+	/* Information from Nordic SDK-Based Application Development and SKY66112 datasheet */
+	sky66112_fem: fem {
+		compatible = "generic-fem-two-ctrl-pins";
+		ctx-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
+		crx-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
+		ctx-settle-time-us = <23>;
+		crx-settle-time-us = <5>;
+		tx-gain-db = <22>;
+		rx-gain-db = <11>;
+	};
+};
+
+&radio {
+	fem = <&sky66112_fem>;
+};
diff --git a/no_bootloader.conf b/no_bootloader.conf
deleted file mode 100644
index 4928394..0000000
--- a/no_bootloader.conf
+++ /dev/null
@@ -1 +0,0 @@
-CONFIG_BOARD_HAS_NRF5_BOOTLOADER=n
\ No newline at end of file
diff --git a/readme.md b/readme.md
index c56df3a..eec282b 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,11 @@
 # flash nrf52dongle
 - build with dongle build target (dont forget dongle .conf file) 
 - nrfutil install nrf5sdk-tools 
-- source flash_dongle.sh
\ No newline at end of file
+- source flash_dongle.sh
+
+# build for bl654pa
+- toolchain
+- nrf52840dongle_no_usb
+- base config: prj.conf
+- extra conf: iso.conf,internal_osc.conf
+- bl654_gpio_uart.overlay
\ No newline at end of file