1.3 Acronyms, Abbreviations and Standards
| 
                             Acronyms and Abbreviations  | 
                             Description  | 
|---|---|
| 
                             ADC  | 
                             Analog-to-Digital Converter  | 
| AMR | Automated Meter Reading | 
| 
                             API  | 
                             Application Programming Interface  | 
| 
                             DC  | 
                             Direct Current  | 
| 
                             DTR  | 
                             Data Terminal Ready  | 
| 
                             EEPROM  | 
                             Electrically Erasable Programmable Read-Only Memory  | 
| 
                             ESD  | 
                             Electrostatic Discharge  | 
| 
                             ETSI  | 
                             European Telecommunications Standards Institute  | 
| 
                             FCC  | 
                             Federal Communications Commission  | 
| 
                             FEM  | 
                             Front End Module  | 
| 
                             GPIO  | 
                             General Purpose Input/Output  | 
| 
                             HAF  | 
                             High Frequency  | 
| 
                             HVAC  | 
                             Heating, Ventilating and Air Conditioning  | 
| 
                             IC  | 
                             Industry Canada  | 
| 
                             I2C  | 
                             Inter-Integrated Circuit  | 
| 
                             IEEE®  | 
                             Institute of Electrical and Electronics Engineers  | 
| 
                             IRQ  | 
                             Interrupt Request  | 
| 
                             ISM  | 
                             Industrial, Scientific and Medical radio band  | 
| 
                             JTAG  | 
                             Digital interface for debugging of embedded device, also known as IEEE 1149.1 standard interface  | 
| 
                             LNA  | 
                             Low-noise Amplifier  | 
| LOS | Line of Sight | 
| 
                             MAC  | 
                             Medium Access Control layer  | 
| 
                             MCU  | 
                             Microcontroller Unit. In this document it also means the processor, which is the core of a ZigBit® module  | 
| 
                             NRE  | 
                             Network layer  | 
| 
                             OEM  | 
                             Original Equipment Manufacturer  | 
| 
                             OTA  | 
                             Over-The-Air upgrade  | 
| 
                             PA  | 
                             Power Amplifier  | 
| 
                             PCB  | 
                             Printed Circuit Board  | 
| 
                             PER  | 
                             Package Error Ratio  | 
| 
                             RAM  | 
                             Random Access Memory  | 
| 
                             RF  | 
                             Radio Frequency  | 
| 
                             RPC  | 
                             Reduced Power Consumption  | 
| 
                             RTS/CTS  | 
                             Request to Send/ Clear to Send  | 
| 
                             RX  | 
                             Receiver  | 
| 
                             SMA  | 
                             Surface Mount Assembly  | 
| 
                             SoC  | 
                             System on Chip  | 
| 
                             SPI  | 
                             Serial Peripheral Interface  | 
| 
                             TTM  | 
                             Time-To-Market  | 
| 
                             TX  | 
                             Transmitter  | 
| 
                             UART  | 
                             Universal Asynchronous Receiver/Transmitter  | 
| 
                             USART  | 
                             Universal Synchronous/Asynchronous Receiver/Transmitter  | 
| 
                             USB  | 
                             Universal Serial Bus  | 
| 
                             ZigBee®, ZigBee® PRO  | 
                             Wireless networking standards targeted at low-power applications  | 
| 
                             802.15.4  | 
                             The IEEE® 802.15.4-2003 standard applicable to low-rate wireless Personal Area Network  | 
