> For the complete documentation index, see [llms.txt](https://docs.sky-drones.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sky-drones.com/avionics/airlink-telemetry.md).

# AIRLink Telemetry

### Set content

<figure><img src="/files/5trMgYlOKheroLBxrhHW" alt=""><figcaption></figcaption></figure>

* 1x Ground module
* 1x Air module
* 2x Ground module antennas&#x20;
* 2x Air module antennas
* 1x Telemetry cable
* 1x Ground module power cable

### General specifications

#### Radio

| Parameter  | Value             |
| ---------- | ----------------- |
| Technology | 2x2 MIMO          |
| Frequency  | 2402 - 2477 MHz   |
| Power      | up to 30 dBm / 1W |
| Bandwidth  | 4 / 8 MHz         |
| Encryption | AES-256           |
| Data rate  | 25 Mbps           |
| Latency    | < 100 ms          |
| Range      | 20 km             |

#### Environmental

| Parameter           | Value                 |
| ------------------- | --------------------- |
| Visibility          | Direct, line of sight |
| Ambient temperature | -40...+50°C           |

### Air module specifications

![AIRLink Telemetry Air module](/files/-MdNyc0b5ZBDCn3hKygj)

| Parameter   | Value                         |
| ----------- | ----------------------------- |
| Power input | 5V DC, 2A min                 |
| Antennas    | x2 SMA Omni 3dBi, 50 cm cable |
| Interfaces  | Ethernet, cooling fan output  |
| Dimensions  | 50x50x30 mm                   |
| Weight      | 50 g                          |

### Ground module specifications

<figure><img src="/files/DgKsm86y6tmeYYjJl7NY" alt=""><figcaption><p>AIRLink Telemetry Ground module</p></figcaption></figure>

| Parameter   | Value                             |
| ----------- | --------------------------------- |
| Power input | 7-40V DC, 1A min                  |
| Antennas    | x2 RP-SMA 5dBi                    |
| Interfaces  | Ethernet, USB, UART, power supply |
| Dimensions  | 82x71x21 mm                       |
| Weight      | 137 g                             |

### Throughput and signal strength

<table><thead><tr><th width="150">Range, km</th><th width="150">Modulation</th><th width="150">Throughput, Mbps</th><th>Sensitivity, dBm</th></tr></thead><tbody><tr><td>0 - 0.3 km</td><td>64QAM_5/6</td><td>27.8</td><td>-81</td></tr><tr><td>0.3 - 1 km</td><td>64QAM_3/4</td><td>25.5</td><td>-83.5</td></tr><tr><td>1 - 2 km</td><td>64QAM_2/3</td><td>22.8</td><td>-85</td></tr><tr><td>2 - 4 km</td><td>16QAM_3/4</td><td>17.1</td><td>-90</td></tr><tr><td>4 - 8 km</td><td>16QAM_1/2</td><td>11.6</td><td>-92</td></tr><tr><td>8 - 12 km</td><td>QPSK_3/4</td><td>8.8</td><td>-96</td></tr><tr><td>12 - 15 km</td><td>QPSK_1/2</td><td>5.9</td><td>-98</td></tr><tr><td>15 - 20 km</td><td>BPSK_1/2</td><td>3</td><td>-99.5</td></tr></tbody></table>