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ALCIOM

3 rue des Vignes

78220 VIROFLAY - FRANCE

Tel: 01 4709 3051 / Fax: 01 3024 1796

ÿ contact@alciom.com

www.alciom.com

PROJECT :

Mastrad

BLE performance optimization

DOCUMENT :

Product BLE performance analysis

SMART THERMOMETER

BASE

REFERENCE :

AL/CH/2115/001

DATE :

VERSION : AUTHOR :

04/14/2021 1A

C.Hamouda

ALCIOM

ABSTRACT :

This document presents the results of the performance analysis of the BLE PCB antenna of Mastrad's X2Prime product.

DOCUMENT HISTORY

DATE

04/14/2021

AUTHOR VERSION 1A

C.Hamouda

COMMENT

Study report

ALCIOM - SASU with a capital of 15,000 EUR – RCS Versailles B 449 221 613

Summary of content (7 pages)

PAGE 1
Machine Translated by Google ALCIOM 3 rue des Vignes 78220 VIROFLAY - FRANCE Tel: 01 4709 3051 / Fax: 01 3024 1796 www.alciom.com ÿ contact@alciom.com PROJECT : Mastrad BLE performance optimization DOCUMENT : Product BLE performance analysis SMART THERMOMETER BASE REFERENCE : AL/CH/2115/001 DATE : VERSION : 04/14/2021 AUTHOR : 1A C.Hamouda ALCIOM ABSTRACT : This document presents the results of the performance analysis of the BLE PCB antenna of Mastrad's X2Prime product.
PAGE 2
Machine Translated by Google Mastrad XW3 Product BLE Performance Analysis 1 Introduction The MASTRAD company develops and markets innovative and creative culinary accessories. MASTRAD markets in particular a MEAT°IT connected kitchen thermometer. This product includes a rechargeable temperature probe with a Bluetooth Low Energy (BLE) interface, and a charging base that also serves as a BLE relay to the user's smartphone.
PAGE 3
Machine Translated by Google Mastrad XW3 Product BLE Performance Analysis 2.1 Measurement on the base In radiated mode, and with default tuning network provided by the customer, initial measurement of the radiation pattern of the product.
PAGE 4
Machine Translated by Google Mastrad XW3 Product BLE Performance Analysis 2.1.2 Measurement on the Med channel (Frequency = 2426 MHz) Map xOy Measurement setup Map xOy Comments: - The radiation is maximum for angles around 90°, - The gain along the angles around 90° angles is greater than the gain around 270° angles by approximately 4 dB. - Two radiation peaks are observed around the 180 and 345° angles.
PAGE 5
Machine Translated by Google Mastrad XW3 Product BLE Performance Analysis 2.1.3 Measurement on the High channel (Frequency = 2480 MHz) Map xOy Measurement setup EIRP [dBm] Comments: - The radiation is maximum for angles around 90°, - The gain along the angles around 90° angles is greater than the gain around 270° angles by approximately 3 dB. - Two radiation peaks are observed around the 180 and 345° angles.
PAGE 6
Machine Translated by Google Mastrad XW3 Product BLE Performance Analysis Reference: AL/CH/2115/001 Edition:1A Page: 6/18
PAGE 7
Machine Translated by Google Mastrad XW3 Product BLE Performance Analysis 3 Conclusions The results obtained in this work can be summarized as follows: For the base: - Radiation is maximum for angles around 90°, it is greater than rear radiation (270°) by at least minus 3dB. Two radiation peaks are observed around the 0° and 180° angles.