Industry acronyms and definitions
| 4FF | SIM card Form Factor |
| APN | Access Point Name |
| ARM | Advanced RISC machine |
| BGP | Border Gateway Protocol |
| br-lan | the pseudo LAN after being bridged |
| Cat-M/NB IoT | Category M / Narrowband for the Internet of Things – cellular data connectivity |
| CFR | Code of Federal Regulations |
| CIP | Common Industrial Protocol |
| COAP | Constrained Application Protocol |
| CPU | Central Processing Unit |
| cron | time based job scheduler in linux |
| Cron log | the log output of a cron process |
| CSA | Canadian Standards Association |
| DA | Distributed Automation |
| DAE | Dynamic Authorization Extensions to RADIUS |
| DC | Direct Current |
| DHCP | Dynamic Host Configuration Protocol |
| DL | Download |
| DMVPN | Dynamic Multipoint VPN |
| DNP3 | Distributed Network Protocol 3 |
| DNS | Domain Name System |
| DSCP | Differentiated Services Code Point |
| EIGRP | Enhanced Interior Gateway Routing Protocol |
| eMMC | Embedded Multimedia Card |
| FCC | Federal Communications Commission |
| FDD | Frequency Division Duplex |
| FTL | Flash Transition Layer |
| GB | Gigabytes |
| GHz | Gigahertz |
| GND | Ground |
| GPS | Global Positioning System |
| GRE | Generic Routing Encapsulation |
| GUI | Graphical User Interface |
| i.MX6 ARM | Advanced RISC Machine based Processor |
| ICCID | A globally unique serial number for a SIM card |
| IEEE | Institute of Electical and Electronics Engineers |
| IGMP | Internet Group Management Protocol |
| IMEI | International Mobile Equipment Identity |
| IMSI | International Mobile Subscriber Identity |
| IoT | Internet of Things |
| IP | Internet Protocol |
| IPSec | Internet Protocol Security |
| IS-IS | Intermediate System – Intermediate System |
| ISM | Industrial, Scientific & Medical (frequency band) |
| kbit/s | kilobits per second |
| LAN | Local Area Network |
| LDP | Label Distribution Protocol |
| LED | Light Emitting Diode |
| LTE | Long Term Evolution (4G mobile communications standard) |
| LTE-CBRS | Long Term Evolution – Citizens Broadband Radio Service |
| MAC | Media Access Control |
| Mbps | megabits per second |
| MHz | Megahertz |
| MIMO | Multiple In Multiple Out |
| MODBUS | the de facto standard communications protocol for industrial electronic devices |
| mPCIe | Mini-PCI Express (expansion bus form factor) |
| MPLS | Multi-protocol Label Switching |
| MSS | Maximum Segment Size |
| MTD | Memory Technology Device (linux device file for interacting with Flash technology) |
| mtdblocks | A Linux abstract layer to emulate block device data structures on flash technology |
| MTU | Maximum Transmission Unit |
| MWAN | Multi-Wide Area Network |
| NAS ID | Network Access Server Identifier |
| NAT | Network Address Translation |
| OpenVPN | An Open Source VPN (Virtual Private Networking) implementation |
| OpenWRT | An embedded Linux distribution installed on a router |
| OPKG | Open Package management – for installing, upgrading & managing software applications in an embedded Linux environment |
| OSPF | Open Shortest Path First |
| PC | Personal Computer |
| PID | Product ID |
| PLC | Programmable Logic Controller |
| QoS | Quality of Service |
| RADIUS | Remote Authentication Dial-In User Service |
| RAM | Random Access Memory |
| RF | Radio Frequency |
| RIPv2 | Routing Information Protocol Version 2 |
| RPL | Routing Protocol for Low Power and Lossy Networks |
| RS | Recommended Standard |
| RSRP | Reference Signal Received Power |
| RSRQ | Reference Signal Received Quality |
| RSSI | Received Signal Strength Indicator |
| RTS/CTS | Request to Send / Clear to Send |
| RTU | Remote Terminal Unit |
| SIM | Subscriber Identity Module |
| SINR | Signal to Interference plus Noise Ratio |
| SISO | Single Input Single Output |
| SMA | Subminiature version A (connector) |
| SNMP | Simple Network Management Protocol |
| SNMPD | linux SNMP agent (daemon) |
| SNR | Signal to Noise Ratio |
| SSH | Secure Shell |
| STP | Spanning Tree Protocol |
| syslog | the system log |
| TCP | Transmission Control Protocol |
| TFTP | Trivial File Transfer Protocol |
| TIA TSB-88.4 | Telecommunications Industry Association Telecommunications Service Bulletin 88.4 |
| UDP | User Datagram Protocol |
| UL | Underwriter’s Laboratory |
| VLAN | Virtual LAN |
| VPN | Virtual Private Network |
| WAN | Wide Area Network |
| WiFi | Wireless networking protocol |
| WLAN | Wireless LAN |
| WMM | Wifi Multimedia |
| WPA2 | Wireless Protected Access 2 (security) |
| WPA2-EAP | WIreless Protected Access 2 – Extensible Authentication Protocol (security) |
| WPA2-PSK | Wireless Protected Access 2 – Protected Shared Key (security) |
| WPS | WiFi Protected Setup |
| wwan | Wireless Wide Area Network |
| XOR | Exclusive OR (logic) |
