FCC ID 2AYHY-VS321

Wireless AI Occupancy Sensor

by Xiamen Milesight IoT Co., Ltd.

Grantee Code: 2AYHY   Product Code: VS321
Latest application date: 2025-07-25

FCC ID Device Details

FCC ID2AYHY-VS321
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AYHY
Product CodeVS321
Applicant BusinessXiamen Milesight IoT Co., Ltd. 🇨🇳
Related Domains ursalink.com
Equipment ClassWireless AI Occupancy Sensor
Test FirmCVC Testing Technology (Shenzhen) Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
902.3-927.8 MHzOriginal Equipment2025-07-25
903-927.5 MHzOriginal Equipment2025-07-25

Exhibits

DocumentTypeAvailableFile
user manuaUsers Manual2026-01-21PDF 3 MB
user manualUsers Manual2026-01-21PDF 3 MB
Inernal PhotoInternal Photos2026-01-21PDF 1 MB
internal photosInternal Photos2026-01-21PDF 1 MB
External PhotosExternal Photos2026-01-21PDF 746.1 KB
external photosExternal Photos2026-01-21PDF 746.1 KB
LABEL AND LOCATIONID Label/Location Info2025-07-25PDF 138.5 KB
Label LocationID Label/Location Info2025-07-25PDF 138.5 KB
Test Setup PhotoTest Setup Photos2026-01-21PDF 514.1 KB
Test Setup photosTest Setup Photos2026-01-21PDF 514.1 KB
15.247_125kHz_LORA_ReportTest Report2025-07-25PDF 4.2 MB
15.247_500kHz_LORA_ReportTest Report2025-07-25PDF 3.3 MB
Antenna_BTTest Report2025-07-25PDF 478.1 KB
Antenna_LoRaTest Report2025-07-25PDF 961 KB
BLE AppendixTest Report2025-07-25PDF 3.1 MB
BLE_ReportTest Report2025-07-25PDF 833.1 KB
2.911_(d)(5)(i) (ii)Certification Equipment Type v1.2Attestation Statements2025-07-25PDF 92.6 KB
Attestation_Statements_Kaspersky_Rev 1.0Attestation Statements2025-07-25PDF 130.6 KB
U.S. Agent Letter of Attestation _Rev1.0Attestation Statements2025-07-25PDF 183.7 KB
US Agent letterAttestation Statements2025-07-25PDF 183.7 KB
FCC-Confidentiality-Request_Rev1.1Cover Letter(s)2025-07-25PDF 93.9 KB
FCC-POA_Rev1.0Cover Letter(s)2025-07-25PDF 124.2 KB
Model DifferenceCover Letter(s)2025-07-25PDF 86.9 KB
MPERF Exposure Info2025-07-25PDF 320.3 KB
Block Diagram Metadata onlyBlock DiagramPDF 458.2 KB
SCH Metadata onlySchematicsPDF 253.3 KB
OP Metadata onlyOperational DescriptionPDF 62.1 KB

Application Information

Application IDlTkEpOjId4L6xD/Q8MMvpw==
Final Action Date2025-07-25
Application PurposeOriginal Equipment
Applicant FRN0030310346
ModelVS321
Frequency Range902.3-927.8 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionWireless AI Occupancy Sensor
Responsible PartyZhenlong Tong, Manager, tongzl@ursalink.com , 0592-5023060
Technical ContactXiamen Milesight IoT Co., Ltd., tongzl@milesight.com
Test FirmWenjing Lai, CVC Testing Technology (Shenzhen) Co., Ltd., qt@cvc.org.cn , 00862032293684
TCB Emailjoe_chew@derycom-us.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Short-Term Confidentiality Date01/21/2026
Long-Term ConfidentialityYes
Grant DeferralNo
Modular EquipmentDoes not apply
Composite DeviceYes
Composite PartNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo
Grant CommentsOutput power listed is conducted power. The antenna used with this transmitter must be installed to provide a minimum separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. End-users must be provided with operating procedures for satisfying RF exposure compliance.

Applications

Application IDDatePurpose
lTkEpOjId4L6xD/Q8MMvpw==2025-07-25Original Equipment
MjO/X1vxmlipCS3Y1w51mA==2025-07-25Original Equipment

Equipment Authorization

FrequencyOutputGrant Notes
902.3-927.8 MHz0.0182389CC
903-927.5 MHz0.0121338CC
2402-2480 MHz0.004539CC

Grants

TCB Grant - Application MjO/X1vxmlipCS3Y1w51mA==

TCB GRANT OF EQUIPMENT
AUTHORIZATION
TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  DERYCOM CERTIFICATION SERVICES, INC.
1100 Falcon Avenue
Glencoe, MN 55336
Date of Grant: 07/25/2025

Application Dated: 07/25/2025
Xiamen Milesight IoT Co., Ltd.
Building C09, Software Park Phase III,
Xiamen 361024,Fujian,,
China
 
Attention: Zhenlong Tong , Manager

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  2AYHY-VS321
Name of Grantee:  Xiamen Milesight IoT Co., Ltd.
Equipment Class: Digital Transmission System
Notes: Wireless AI Occupancy Sensor
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 903.0  -  927.5 0.0121338  
CC 15C 2402.0  -  2480.0 0.004539  

Output power listed is conducted power. The antenna used with this transmitter must be installed to provide a minimum separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. End-users must be provided with operating procedures for satisfying RF exposure compliance.

CC: This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application lTkEpOjId4L6xD/Q8MMvpw==

TCB GRANT OF EQUIPMENT
AUTHORIZATION
TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  DERYCOM CERTIFICATION SERVICES, INC.
1100 Falcon Avenue
Glencoe, MN 55336
Date of Grant: 07/25/2025

Application Dated: 07/25/2025
Xiamen Milesight IoT Co., Ltd.
Building C09, Software Park Phase III,
Xiamen 361024,Fujian,,
China
 
Attention: Zhenlong Tong , Manager

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  2AYHY-VS321
Name of Grantee:  Xiamen Milesight IoT Co., Ltd.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Wireless AI Occupancy Sensor
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 902.3  -  927.8 0.0182389  

Output power listed is conducted power. The antenna used with this transmitter must be installed to provide a minimum separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. End-users must be provided with operating procedures for satisfying RF exposure compliance.

CC: This device is certified pursuant to two different Part 15 rules sections.