Adding EByte TX868-BLG-55.

README.md

@@ -26,6 +26,14 @@ You can contribute to it by opening a Pull Request with your own measuremens. He
 
 ## Antennas
 
+### [EByte TX868-BLG-55 (868 MHz)](antennas/ebyte_tx_868_blg_55/README.md)
+
+#### 868 MHz
+
+SWR: `1.078`
+
+Impedance: `50.2 Ω`, `j3.761`
+
 ### [EByte TX868-JK-11 (868 MHz)](antennas/ebyte_tx_868_jk_11_868/README.md)
 
 #### 868 MHz

antennas/ebyte_tx_868_blg_55/README.md

@@ -0,0 +1,27 @@
+# EByte TX868-BLG-55 (868 MHz)
+
+![photo](images/00_photo.jpg)
+
+## Where to buy
+
+- [Ozon / Taube Store](https://www.ozon.ru/product/antenna-8dbi-868mgts-cdebyte-tx868-blg-55-1643595859/)
+
+## Links
+
+- [Official site](https://www.cdebyte.com/products/TX868-BLG-55)
+- [Datasheet](https://www.cdebyte.com/pdf-down.aspx?id=1918)
+
+## Measurements
+
+### 868 MHz
+
+SWR: `1.078`
+
+Impedance: `50.2 Ω`, `j3.761`
+
+<details>
+<summary>Screenshots</summary>
+
+![Measurement at 868 MHz](images/01_measurement.png)
+
+</details>