> For the complete documentation index, see [llms.txt](https://docs.eseye.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.eseye.com/hera604/configure/system-status/mobile-network.md).
# Mobile network
View cellular status, SIM details, signal strength, and APN.
**Mobile network** displays cellular connection status, modem and SIM identifiers, the current network operator, IP address, signal strength, and APN.
The Hera 604 holds three SIMs:
* `CHIP`, an embedded SIM built into the unit.
* `SIM 1`, the first removable SIM card slot.
* `SIM 2`, the second removable SIM card slot.
A cellular profile pairs one SIM with an APN. The router uses one profile at a time. **Active SIM** and **APN** show the active profile.
The page displays:
| Field | Example or possible values | Description |
| ------------------------- | ----------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| Mobile connection | `Enabled` or `Disabled` | Shows whether mobile connectivity is switched on. `Enabled` means the mobile connection is on. `Disabled` means it is off. |
| IMEI | 357999720028739 | International Mobile Equipment Identity of the modem installed in the router. |
| Active SIM | `CHIP`, `SIM 1`, or `SIM 2` | Identifies the SIM currently selected for the mobile connection. `CHIP` is the SIM built into the Hera 604. `SIM 1` and `SIM 2` are the removable SIM slots. |
| IMSI of active SIM | 302760007402953 | International Mobile Subscriber Identity associated with the active mobile subscription. |
| ICCID of active SIM | 8999922112090029540 | Unique serial number of the active SIM. |
| Mobile network provider | `Unknown` or an operator name, such as `VODA UK (4G)` | Mobile operator and network technology currently in use. `Unknown` means an operator name is not currently available. |
| Mobile network IP address | 10.162.64.39 | IP address assigned to the router's mobile interface. |
| Mobile network signal | Signal indicator | Current cellular signal strength. Hover over the indicator to view the value in dBm. Values closer to `0` indicate a stronger signal. |
| APN | eseye1 | Access Point Name used by the active cellular profile. |
Configure cellular profiles, and select the active profile, on [Connection](/hera604/configure/basic-settings/mobile-network.md#connection).
---
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