diff --git a/README.md b/README.md index 8e55c80..b60e0a2 100644 --- a/README.md +++ b/README.md @@ -58,6 +58,14 @@ SWR: `1.118` Impedance: `51.33 Ω`, `j5.473 Ω` +### [Gizont Nb-iot / LORA Soft Antenna M1 (167 mm, 868 MHz)](antennas/gizont_nbiot_lora_soft_antenna_m1/README.md) [`?dBi`] + +#### 868 MHz + +SWR: `1.681` + +Impedance: `80.24 Ω`, `-j13.86 Ω` + ### [Gizont Nb-iot / LORA Soft Antenna M2 (200 mm, 868 MHz)](antennas/gizont_nbiot_lora_soft_antenna_m2/README.md) [`?dBi`] #### 868 MHz diff --git a/antennas/gizont_nbiot_lora_soft_antenna_m1/README.md b/antennas/gizont_nbiot_lora_soft_antenna_m1/README.md new file mode 100644 index 0000000..eaaa85e --- /dev/null +++ b/antennas/gizont_nbiot_lora_soft_antenna_m1/README.md @@ -0,0 +1,43 @@ +# Gizont Nb-iot / LoRa Soft Antenna M1 (167 mm, 868 MHz) + +![photo](images/00_photo.webp) + +## Where to buy + +- [Aliexpress / GIZONT Antenna Store](https://aliexpress.ru/item/1005007503836549.html), select "868MHz SMA M 1" option + +## Declared specs + +Gain: `10dBi` (quote from Aliexpress item page) + +> [!IMPORTANT] +> The declared gain of `10dBi` is most likely fake or highly exaggerated. +> This antenna is either an assymmetric dipole or a monopole considering it's composition. Treat this value with skepticism. + +## Measurements + +### 868 MHz + +SWR: `1.681` + +Impedance: `80.24 Ω`, `-j13.86 Ω` + +
+Screenshot + +![Measurement at 868 MHz](images/01_measurement_thin.png) + +
+ +### 868 MHz (wide view) + +SWR: `1.696` + +Impedance: <...> + +
+Screenshot + +![Measurement at 868 MHz (wide view)](images/02_measurement_wide.png) + +
diff --git a/antennas/gizont_nbiot_lora_soft_antenna_m1/images/00_photo.webp b/antennas/gizont_nbiot_lora_soft_antenna_m1/images/00_photo.webp new file mode 100644 index 0000000..195a35a Binary files /dev/null and b/antennas/gizont_nbiot_lora_soft_antenna_m1/images/00_photo.webp differ diff --git a/antennas/gizont_nbiot_lora_soft_antenna_m1/images/01_measurement_thin.png b/antennas/gizont_nbiot_lora_soft_antenna_m1/images/01_measurement_thin.png new file mode 100755 index 0000000..43e3f71 Binary files /dev/null and b/antennas/gizont_nbiot_lora_soft_antenna_m1/images/01_measurement_thin.png differ diff --git a/antennas/gizont_nbiot_lora_soft_antenna_m1/images/02_measurement_wide.png b/antennas/gizont_nbiot_lora_soft_antenna_m1/images/02_measurement_wide.png new file mode 100755 index 0000000..06c069b Binary files /dev/null and b/antennas/gizont_nbiot_lora_soft_antenna_m1/images/02_measurement_wide.png differ