| AES | Advanced Encryption Standard |
| ADC | Analog to Digital Converter |
| AP | Access Point |
| ATS | Answer to Select |
| BIOS | Basic Input-Output Services |
| CAD | Computer Aided Design |
| CMOS | Complementary Metal-Oxide-Semiconductor |
| CTS | Clear To Send |
| DES | Digital Encryption Standard |
| DHCP | Dynamic Host Configuration Protocol |
| DNS | Domain Name Server |
| EEPROM | Electrically Erasable Programmable Read-Only Memory |
| FOTA | Firmware Over The Air |
| FTP | File Transfer Protoco |
| FW | Firmware |
| GPIO | General Purpose Input Output |
| GPRS | General Packet Radio Service |
| GPS | Global Positioning System |
| GSM | Global System for Mobile Communications |
| HTML | HyperText Transfer Protocol |
| I2C | Inter-Integrated Circuit |
| IMEI | International Mobile Equipment Identity |
| ISP | Internet Service Provider |
| M2M | Machine-To-Machine |
| MCC | Mobile Country Code |
| MNO | Mobile Network Operator |
| MOSFET | Metal Oxide Semiconductor Field Effect Transistor |
| NITZ | Network Identity and Time Zone |
| NFC | Near Field Communication |
| NVM | Non-Volatile Memory |
| PPP | Point-to-Point Protoco |
| PUK | Personal Unblocking Key |
| QoS | Quality of Service |
| RATS | Request Answer To Select |
| RF | Radio Frequency |
| RTC | Real Time Clock |
| RTS | Request To Send |
| Rx | Receive |
| RXD | Receive Data (RxD) |
| SIM | Subscriber Identity Module |
| SMS | Short Message Service |
| SMTP | Simple Mail Transfer Protocol |
| SSID | Service Set Identifier |
| TCP | Transfer Control Protocol |
| Tx | Transmit |
| TXD | Transmit Data (TxD) |
| TZ | Time Zone |
| UDP | User Datagram Protocol |
| UICC | Universal Integrated Circuit Card |
| UID | Unique IDentifier |