Appendix A

Acronym List

ACK: Acknowledgement

APP: Application

ASCII: American Standard Code for Information Interchange

ASIC: Application-Specific Integrated Circuit

C: Celsius

CE RED: Conformité Européene Radio Equipment Directive (Europe)

CPU: Central Processing Unit

CRC: Cyclic Redundancy Check

dBm: Decibel-Milliwatts

DC: Direct Current

DFU: Device Firmware Update

EIRP: Effective, or Equivalent, Isotropically Radiated Power

ESD: Electrostatic Discharge

ESN: Electronic Serial Number

F: Fahrenheit

FCC: Federal Communications Commission

FTP: File Transfer Protocol

GATT: Generic Attribute Profile

GLONASS: Global Navigation Satellite System

GND: Ground

GPIO: General-Purpose Input/Output

GPS: Global Positioning System

HTTP: Hypertext Transfer Protocol

HW: Hardware

I2C: Inter-Integrated Circuit

IC: Industry Canada

iOS: iPhone Operating System

ISED: Innovation, Science and Economic Development (Canada)

JTAG: Joint Test Action Group

LEO: Low Earth Orbiting

mA: Milliamps

mAh: Milliamp Hour

mm: millimeter

mW: milliwatt

N/A: Not Applicable

NAK: Negative-Acknowledgement

NMEA: National Marine Electronics Association

OEM: Original Equipment Manufacturer

OTA: Over the Air

PCB: Printed Circuit Board

PLL: Phase-Locked Loop

POST: Power-On Self-Test

RF: Radio Frequency

RoHS: Restriction of Hazardous Substances

RTU: Remote Transmitter Unit

RX: Receive

SAR: Specific Absorption Rate

SCL: Serial Clock

SDA: Serial Data

SDK: Software Development Kit

SMA: Subminiature Version A

STU: Satellite Transmitter Unit

TX: Transmit

UART: Universal Asynchronous Receiver/Transmitter

V: Volts

VAM: Value Added Manufacturer

VAR: Value Added Reseller

VDC: Voltage Direct Current

VNA: Vector Network Analyzer

WEEE: Waste Electrical & Electronic Equipment (Europe)