User Guide

Table Of Contents

3. Eddystone Introduction

3.1 What is Eddystone

Eddystone is an open beacon format developed by Google and designed with

transparency and robustness in mind. Eddystone can be detected by both Android and iOS

device. The Eddystone format builds on lessons learned from working with industry

partners in existing deployments, as well as the wider beacon community. Several

different types of payload can be included in the frame format, include:

Eddystone-UID: A unique, static ID with a 10-byte Namespace component and a 6-

byte Instance component.

Eddystone-URL: A compressed URL that, once parsed and decompressed, is directly

usable by the client.

3.2 What is Eddystone-URL

Eddystone-URL is a component of the Eddystone specification for BLE beacons. The

Eddystone-URL frame broadcasts a URL using a compressed encoding format in order to

fill more within the limited advertisement packet. Eddystone-URL must be less than or

equal to 18-bytes in length. In order to carry more data, we can compress URL. compress

rules, the following data can be replaced by 1 byte.

URL Scheme Prefix

Encode byte (hex)

http://www.

https://www.

http://

https://

HTTP URL scheme

Encode byte (hex)

.com/

.org/

.edu/

.net/

.info/

.biz/

.gov/

Manufacturer

Reserved

2 characters (0-9 and A-F), Reserved for use by the manufacturer to

implement special features.

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