FCC ID: 2AVQK-XRT-260 Bluetooth remote control

Bluetooth remote control

BT USB dongle VIZIO Manual Kyung In Electronics Co., Ltd Development Team Dec 17th, 2019 Contents 1 FEATURE ............................................................................................................................................................ 4 2 BLE KEY CODE TABLE & DESIGN ............................................................................................................... 5 3 BLE PAIRING PROCESS ................................................................................................................................. 6 4 FACTORY DEFAULT SETTING (UN-PAIRING) ........................................................................................... 6 5 HOW TO OTA ..................................................................................................................................................... 7 2 Revision History Version 0.1 Date 2019.12.17 Change Description Originator Thomas Initial 3 1 Feature XRT260 Bluetooth remote control 1.1 Remote control controls TV(Set-top box, Smart TV, etc). 1.2 It use BLE [Bluetooth Low Energy] 4.2 1.3 Using Profile : HOGP( HID Over GATT Profile ) 1.4 Device name: KIE_RCUvXX(The last two digits of the version.) 1.5 Frequency range: 2.402GHz ~ 2.480GHz 1.6 RF output power: 0dBm (MAX 4dBm) 1.7 Voltage of Operating: 2.2V ~ 3.2V 1.8 Type of modulation: GFSK( Gaussian Frequency Shift Keying ) 1.9 Channel spacing: 2MHz (40 channel) 1.10 Duty cycle: Very low duty cycle 1.11 Simplex/duplex: Full duplex 1.12 Declared (RF) interface on which the apparatus is intended to operate: BLE 1.13 ITU code BT USB dongle General Specification Chip Set Dimension RTL8761BUV 19.4 x 47.0 x 9.2 (mm) Bluetooth V5.0 Bluetooth Specification

(Dual Mode : BR/EDR + Low Energy Controllers) 5 Volt DC 10 dBm

-94.5 dBm Internal Power Supply Output Power Sensitivity Antenna Interface Profile Temperature

-20C to +70 C 4 HCI SPP, BLE (Standard) ANCS, HFP, A2DP, AVRCP, MAP(optional) 2 BLE Key Code Table & Design No Key Name IR code Key Code 2F 08 EC EB EA 6F F9 42 40 F7 4F 45 47 44 48 46 4A 2D 39 03 02 09 0x2F (07)

0xEC (07) 0xEB (07) 0xEA (07) 0x6F (07) 0xF9 (07) 0x42 (07) 0xED (07) 0xF7 (07) 0x41 (07) 0x52 (07) 0x50 (07) 0x28 (07) 0x4F (07) 0x51 (07) 0x29 (07) 0x4A (07) 0x39 (07)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 PRIME VIDEO WATCH FREE INPUT POWER VUDU NETFLIX XUMO HULU REDBOX MIC SETUP

(UP)

(LEFT) OK

(RIGHT)

(DOWN) BACK HOME CC VOL +

VOL -

MUTE 5 3 BLE Pairing Process Remote control automatically goes into pairing mode when batteries are inserted into a remote which is not currently paired 3.1 Press and hold [MIC] key and [MUTE] key for 5secs 4 Factory default setting (un-pairing) 4.1 Press and hold [INPUT] key and [MUTE] key for 5secs 6 5 HOW to OTA 7 8 9 10 11

KYUNG IN ELECTRONIC(SHEN ZHEN)CO.,LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2022-04-25 Subject: Request for Confidentiality FCC ID: 2AVQK-XRT-260 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules

(47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Long-Term Confidentiality Short-Term Confidentiality NOTE 2 Exhibits ID Label/Location Attestation Statement External Photos Block Diagram Schematics Test Report Test Setup Photos Users Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) SDR Software / Security Info No No No No No No No No No No No No No No No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: kyungin Title: Manager 1/1

KYUNG IN ELECTRONIC(SHEN ZHEN)CO.,LTD Letter of Authorization Company: KYUNG IN ELECTRONIC(SHEN ZHEN)CO.,LTD Address: 1st Industrial District,Xi Keng Village,Yuanshan street,Shen Zhen ,P.R.China Product Name: Bluetooth remote control Model Number: XRT260 FCC Identifier: 2AVQK-XRT-260 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: kyungin Title: Manager Date: 2022-04-25 Signature of applicant:

1/1

KYUNG IN ELECTRONIC(SHEN ZHEN)CO.,LTD Model Difference Product Name: Bluetooth remote control Model Number: XRT-260, IC:TELINK(TLSR8270F512ET48) FCC Identifier: 2AVQK-XRT-260 All the models are the same circuit and RF module, except the mode names and outlook color. Regards Sincerely Clients signature Clients name / title: kyungin / Manager Contact information: 1st Industrial District,Xi Keng Village,Yuanshan street,Shen Zhen ,P.R.China