# General information

#### Model selection

Different modem models are available depending on the periphery availability and type.

<table border="1" id="bkmrk-model-cellular-netwo" style="border-collapse: collapse; width: 100%; height: 119.2px;"><colgroup><col style="width: 20.0238%;"></col><col style="width: 20.0238%;"></col><col style="width: 20.0238%;"></col><col style="width: 20.0238%;"></col><col style="width: 20.0238%;"></col></colgroup><thead><tr><td rowspan="2">Model  
</td><td class="align-center" colspan="3">Cellular Network  
</td><td>  
</td></tr><tr style="height: 29.8px;"><td class="align-center" style="height: 29.8px;">GPRS</td><td class="align-center" style="height: 29.8px;">3G</td><td class="align-center" style="height: 29.8px;">LTE 4G</td><td class="align-center" style="height: 29.8px;">GNSS</td></tr></thead><tbody><tr style="height: 29.8px;"><td style="height: 29.8px;">AM-201-IN</td><td class="align-center" style="height: 29.8px;">√</td><td class="align-center" style="height: 29.8px;">√</td><td class="align-center" style="height: 29.8px;">√</td><td class="align-center" style="height: 29.8px;">  
</td></tr><tr style="height: 29.8px;"><td style="height: 29.8px;">AM-201-GL</td><td class="align-center" style="height: 29.8px;">√</td><td class="align-center" style="height: 29.8px;">√</td><td class="align-center" style="height: 29.8px;">√</td><td class="align-center" style="height: 29.8px;">√</td></tr></tbody></table>

---

#### Hardware

The Gateway is made on one PCB, which is fitted to the aluminum housing. The housing is made of a thick, strong aluminum profile with two end plates also made from aluminum. The surface of the housing is finished by anodizing.

At the bottom of the housing there are slots through which DIN rail clamp or any other clamp can be mounted by t-nuts.

Front view dimensions

[![AM-201-dimensions-top.png](https://docs.atreyo.in/uploads/images/gallery/2025-02/scaled-1680-/am-201-dimensions-top.png)](https://docs.atreyo.in/uploads/images/gallery/2025-02/am-201-dimensions-top.png)

###### Side view dimensions

[![AM-201-dimensions-B.png](https://docs.atreyo.in/uploads/images/gallery/2025-02/scaled-1680-/am-201-dimensions-b.png)](https://docs.atreyo.in/uploads/images/gallery/2025-02/am-201-dimensions-b.png)

##### Interfaces  


Top connector and indicators

[![AM-201-connectors-A.png](https://docs.atreyo.in/uploads/images/gallery/2025-02/scaled-1680-/am-201-connectors-a.png)](https://docs.atreyo.in/uploads/images/gallery/2025-02/am-201-connectors-a.png)

###### Bottom connector

[![AM-201-connectors-B.png](https://docs.atreyo.in/uploads/images/gallery/2025-02/scaled-1680-/am-201-connectors-b.png)](https://docs.atreyo.in/uploads/images/gallery/2025-02/am-201-connectors-b.png)

---