Glossary

Definitions for networking, connectivity, and router management terms.

Glossary

• 2.4 GHz / 5 GHz — Supported Wi-Fi radio bands.
• 802.11a/b/g/n/ac — Supported Wi-Fi standards.
• Access Point (AP) — Wi-Fi mode that accepts client connections.
• AnyNet Connectivity Service — Eseye cellular connectivity service for IoT deployments.
• APN — Network identifier used for cellular data connections.
• Auto MDI/MDIX — Ethernet port feature that automatically crosses wire pairs.
• AWS IoT — Amazon Web Services IoT platform.
• Bandwidth — Wi-Fi channel width affecting rates and spectrum use.
• Channel — Radio channel used by the Wi-Fi interface.
• CLI — Command-line interface, accessed with SSH when enabled.
• Client certificate — Certificate that proves a device or user identity.
• Default route metric — Numeric route weight. Lower values have priority.
• DER — Binary encoding for X.509 certificates.
• DHCP — Protocol that automatically supplies network configuration.
• DIN-rail mounting — Optional mounting method for industrial rails.
• DNS — Service that resolves hostnames to IP addresses.
• eSIM — SIM embedded in the router.
• eUICC — SIM technology that supports remote profile provisioning.
• Firewall — Packet-filtering controls for network traffic.
• Firmware — Operating software running on the router.
• Gateway — Next-hop address for external networks.
• GUI — Browser-based management interface.
• Health Monitor — Service that tests connectivity and runs recovery actions.
• Hostname — Router name on the local network.
• HTTP / HTTPS — Unencrypted and encrypted web protocols.
• ICCID — Unique SIM card identifier.
• IMEI — Unique identifier for modem hardware.
• IMSI — Identifier for a cellular subscriber.
• Inbound rules — Rules that control access to router services.
• Infinity Platform — Eseye platform for billing and security features.
• IPv4 / IPv6 — Internet Protocol address versions.
• Kernel — Core Linux component running on the router.
• LAN — Local network for connected devices.
• MAC filter — Allowlist or blocklist for Wi-Fi client addresses.
• MCC/MNC — Mobile country and network identifiers.
• MTU — Maximum Transmission Unit for a network connection.
• NAT — Translation between private and WAN addresses.
• Netmask — Value that defines an IP network range.
• NTP — Protocol that synchronises system time.
• Outbound rules — Rules that restrict LAN traffic leaving the router.
• PEM — Text encoding for X.509 certificates.
• Port forwarding — Mapping of a WAN port to a LAN address and port.
• Limited Power Source (LPS) — Approved power source meeting safety requirements.
• Private key — Secret key used for decryption and digital signatures.
• TCP, UDP, ICMP, ESP — Network protocols available in firewall rules.
• Factory reset — Restores factory configuration.
• Reset button — Physical control for rebooting or restoring defaults.
• Root CA — Trusted certificate authority at the top of a trust chain.
• RSSI — Cellular signal strength in dBm.
• WEP, WPA-PSK, WPA-PSK2 — Wi-Fi security methods.
• SIM PIN — Optional numeric code protecting a SIM.
• SMA antenna connector — 50 Ω connector for cellular or Wi-Fi antennas.
• SSH — Secure remote command-line protocol.
• SSID — Wi-Fi network name.
• SSID visibility — Controls whether nearby clients can discover an SSID.
• Static route — Manually defined route to a destination network.
• Status LEDs — Power, Wi-Fi, WAN, and signal indicators.
• Thing — AWS IoT representation of a physical device.
• Uptime — Time since the router last booted.
• URL — Web address for a network resource.
• WAN — External network that reaches the internet or upstream services.
• Wireless client / STA — Mode where the router joins another Wi-Fi network.