diff --git a/variants/esp32/diy/hydra/variant.h b/variants/esp32/diy/hydra/variant.h
index 6bd296097..b84a4ddd8 100644
--- a/variants/esp32/diy/hydra/variant.h
+++ b/variants/esp32/diy/hydra/variant.h
@@ -22,6 +22,14 @@
 #define USE_SX1268 // E22-400M30S uses SX1268
 #define SX126X_MAX_POWER                                                                                                         \
     22 // Outputting 22dBm from SX1262 results in ~30dBm E22-900M30S output (module only uses last stage of the YP2233W PA)
+// Вся актуальная информация по замерам мощности тут: https://meshinfo.ru/hardware
+// E22 400M30S - 22dbm max power
+// E22 400M33S - 22dbm max power
+// E22P 868M30S - 12dbm max power
+// E22 900M30S - 22dbm max power
+// E22 900M33S - 12dbm max power
+// 
+
 #define SX126X_DIO3_TCXO_VOLTAGE 1.8 // E22 series TCXO reference voltage is 1.8V
 
 #define SX126X_CS 18    // EBYTE module's NSS pin
diff --git a/variants/esp32/diy/hydra/variant.h.bak b/variants/esp32/diy/hydra/variant.h.bak
new file mode 100644
index 000000000..6bd296097
--- /dev/null
+++ b/variants/esp32/diy/hydra/variant.h.bak
@@ -0,0 +1,54 @@
+// For OLED LCD
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+// For GPS, 'undef's not needed
+#define GPS_TX_PIN 15
+#define GPS_RX_PIN 12
+#define PIN_GPS_EN 4
+
+#define BUTTON_PIN 39 // The middle button GPIO on the T-Beam
+// Note: On the ESP32 base version, gpio34-39 are input-only, and do not have internal pull-ups.
+// If 39 is not being used for a button, it is suggested to remove the #define.
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+#define ADC_MULTIPLIER 1.85 // (R1 = 470k, R2 = 680k)
+#define EXT_PWR_DETECT 4    // Pin to detect connected external power source for LILYGO® TTGO T-Energy T18 and other DIY boards
+#define EXT_NOTIFY_OUT 12   // Overridden default pin to use for Ext Notify Module (#975).
+#define LED_POWER 2         // add status LED (compatible with core-pcb and DIY targets)
+
+// Radio
+#define USE_SX1262 // E22-900M30S uses SX1262
+#define USE_SX1268 // E22-400M30S uses SX1268
+#define SX126X_MAX_POWER                                                                                                         \
+    22 // Outputting 22dBm from SX1262 results in ~30dBm E22-900M30S output (module only uses last stage of the YP2233W PA)
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8 // E22 series TCXO reference voltage is 1.8V
+
+#define SX126X_CS 18    // EBYTE module's NSS pin
+#define SX126X_SCK 5    // EBYTE module's SCK pin
+#define SX126X_MOSI 27  // EBYTE module's MOSI pin
+#define SX126X_MISO 19  // EBYTE module's MISO pin
+#define SX126X_RESET 23 // EBYTE module's NRST pin
+#define SX126X_BUSY 32  // EBYTE module's BUSY pin
+#define SX126X_DIO1 33  // EBYTE module's DIO1 pin
+
+#define SX126X_TXEN 13 // Schematic connects EBYTE module's TXEN pin to MCU
+#define SX126X_RXEN 14 // Schematic connects EBYTE module's RXEN pin to MCU
+
+#define LORA_CS SX126X_CS       // Compatibility with variant file configuration structure
+#define LORA_SCK SX126X_SCK     // Compatibility with variant file configuration structure
+#define LORA_MOSI SX126X_MOSI   // Compatibility with variant file configuration structure
+#define LORA_MISO SX126X_MISO   // Compatibility with variant file configuration structure
+#define LORA_DIO1 SX126X_DIO1   // Compatibility with variant file configuration structure
+#define LORA_TXEN SX126X_TXEN   // Compatibility with variant file configuration structure
+#define LORA_RXEN SX126X_RXEN   // Compatibility with variant file configuration structure
+#define LORA_RESET SX126X_RESET // Compatibility with variant file configuration structure
+#define LORA_DIO2 SX126X_BUSY   // Compatibility with variant file configuration structure
+
+
+#ifdef EBYTE_E22
+// Internally the TTGO module hooks the SX126x-DIO2 in to control the TX/RX switch
+// (which is the default for the sx1262interface code)
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#define TCXO_OPTIONAL // make it so that the firmware can try both TCXO and XTAL
+#endif
\ No newline at end of file