1. FCC ID
  2. 2AF77
  3. 2AF77-H2441840

FCC ID 2AF77-H2441840

Doorbell

by Immedia Semiconductor LLC

Grantee Code: 2AF77   Product Code: H2441840
Latest application date: 2025-04-25

FCC ID Device Details

FCC ID2AF77-H2441840
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AF77
Product CodeH2441840
Applicant BusinessImmedia Semiconductor LLC 🇺🇸
Related Domains amazon.com
Equipment ClassDoorbell
Test FirmSGS Taiwan Ltd. Central RF Lab

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
902.4-927.6 MHzOriginal Equipment2025-04-25
919-925 MHzOriginal Equipment2025-04-25

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2025-10-22PDF 2.5 MB
Internal PhotosInternal Photos2025-10-22PDF 3.5 MB
External PhotosExternal Photos2025-10-22PDF 633.4 KB
Label Info and LocationID Label/Location Info2025-04-25PDF 54.7 KB
Label InformationID Label/Location Info2025-04-25PDF 54.7 KB
TSUPTest Setup Photos2025-10-22PDF 410.8 KB
Antenna DatasheetTest Report2025-04-25PDF 732.4 KB
Test Report LRFTest Report2025-04-25PDF 3.6 MB
Test Report OFDMTest Report2025-04-25PDF 5.9 MB
Test Report WLAN 2.4GHz pt. 1Test Report2025-04-25PDF 4.4 MB
Test Report WLAN 2.4GHz pt. 2Test Report2025-04-25PDF 2 MB
Att Statements 2.911(d)(5)(7)Attestation Statements2025-04-25PDF 38.5 KB
Att Statements 2.911(d)(5)(i)&(ii)Attestation Statements2025-04-25PDF 38.5 KB
Authorization LetterCover Letter(s)2025-04-25PDF 35.6 KB
Confidentiality LetterCover Letter(s)2025-04-25PDF 263.2 KB
RF Exposure MPERF Exposure Info2025-04-25PDF 651.4 KB
Block Diagram Metadata onlyBlock DiagramPDF 509.1 KB
Schematics Metadata onlySchematicsPDF 3.5 MB
Operational Description Metadata onlyOperational DescriptionPDF 252.5 KB

Application Information

Application IDJ88MImlO0EfxvP4gkJFGNA==
Final Action Date2025-04-25
Application PurposeOriginal Equipment
Applicant FRN0024974974
ModelH2441840
Frequency Range902.4-927.6 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionDoorbell
Responsible PartyP. Douglas Grearson, HW Development Manager, grearson@amazon.com , 978-845-0360
Test FirmRyan WANG, SGS Taiwan Ltd. Central RF Lab, ryan-ec.wang@sgs.com , 886222993279
TCB Emailtei@timcoengr.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Short-Term Confidentiality Date10/22/2025
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 the maximum conducted output power. This device must be installed and operated so as to provide a 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, or as evaluated in this filing.

Applications

Application IDDatePurpose
J88MImlO0EfxvP4gkJFGNA==2025-04-25Original Equipment
3OYqfGR5nWMGqopqTviPGA==2025-04-25Original Equipment

Equipment Authorization

FrequencyOutputGrant Notes
902.4-927.6 MHz0.0310000CC
919-925 MHz0.086CC
919.5-926.5 MHz0.092CC
2412-2462 MHz0.368CC

Grants

TCB Grant - Application J88MImlO0EfxvP4gkJFGNA==

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

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 04/25/2025

Application Dated: 04/25/2025
Immedia Semiconductor LLC
100 Riverpark Drive
Suite 125
North Reading, MA 01864
 
Attention: P. Douglas Grearson , HW Development 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:  2AF77-H2441840
Name of Grantee:  Immedia Semiconductor LLC
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Doorbell
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 902.4  -  927.6 0.031  

Output Power listed is the maximum conducted output power. This device must be installed and operated so as to provide a 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, or as evaluated in this filing.

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

TCB Grant - Application 3OYqfGR5nWMGqopqTviPGA==

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

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 04/25/2025

Application Dated: 04/25/2025
Immedia Semiconductor LLC
100 Riverpark Drive
Suite 125
North Reading, MA 01864
 
Attention: P. Douglas Grearson , HW Development 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:  2AF77-H2441840
Name of Grantee:  Immedia Semiconductor LLC
Equipment Class: Digital Transmission System
Notes: Doorbell
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2412.0  -  2462.0 0.368  
CC 15C 919.5  -  926.5 0.092  
CC 15C 919.0  -  925.0 0.086  

Output Power listed is the maximum conducted output power. This device must be installed and operated so as to provide a 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, or as evaluated in this filing.

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