| Parameter | Description | 
|---|---|
| APN | Access Point Name | 
| ASU | Arbitrary Strength Unit | 
| CID | Cell-ID | 
| CLI | Command Line Interface, a generic interface to query the router or perform system tasks | 
| DHCP | Dynamic Host Configuration Protocol | 
| DNS | Domain Name System | 
| FQDN | Fully qualified domain name | 
| ICCID | Integrated Circuit Card Identifier | 
| IMSI | International Mobile Subscriber Identity | 
| IMEI | International Mobile Station Equipment Identity | 
| LAI | Location Area Identity (LAI = MCC + MNC + LAC) | 
| LAC | Location Area Code | 
| MCC | Mobile Country Code | 
| MEID | Mobile Equipment Identifier | 
| MNC | Mobile Network Code | 
| MSISDN | Mobile Subscriber Integrated Services Digital Network Number | 
| MSS | Maximum Segment Size | 
| MTU | Maximum Transmission Unit | 
| NAPT | Network Address and Port Translation | 
| RSRP | Referenz Signal Received Power | 
| RSRQ | Reference Signal Received Quality | 
| SDK | Script Development Kit which can be used to program applications | 
| SIM | Subscriber Identity Module | 
| SMS | Short Message Service | 
| SSID | Service Set Identifiers, can be used to define multiple WLAN networks on a module | 
| STP | Spanning Tree Protocol | 
| USSD | Unstructured Supplementary Service Data | 
| VRRP | Virtual Router Redundancy Protocol | 
| VPN | Virtual Private Network | 
| WAN | WAN links include all Wide Area Network interfaces which are currently activated in the system | 
| Parameter | Description | 
|---|---|
| ETHx | Corresponds to Ethernet interfaces (either single or switched ones) | 
| LANx | LAN interfaces which are generally based on Ethernet interfaces (including bridges) | 
| WLANx | Refers to a Wireless LAN interface which will be represented as additional LAN interface when configured as access point | 
| WWANx | Refers to a Wireless Wide Area Network (2G/3G/4G/5G) connection | 
| TUNx | Specifies an OpenVPN tunnel interface (based on TUN) | 
| TAPx | Specifies an OpenVPN tunnel interface (based on TAP) | 
| PPTPx | Specifies a PPTP tunnel interface | 
| MOBILEIPx | Refers to a Mobile IP tunnel interface | 
| SIMx | Specifies the SIM slot as seen on the front panel | 
| GNSSx | Specifies a Global Navigation Satellite System module | 
| Mobilex | Identifies a WWAN modem | 
| SERIALx | Identifies a serial port | 
| OUTx | Specifies a digital I/O output port (DOx) | 
| INx | Specifies a digital I/O input port (DIx) | 
| ANY | Generally includes all options offered by the current section |