FCC ID: ACJ96NKX-TGW420 DECT Cordless Base Station

4-Line Phone Home Office | Small Business Base Station Phone Model No. KX-TGW420 No. Accessory item/Part number AC adaptor/PNLV254-0Z 4-wire telephone line cord/PQJA10088Z Desk stand/PNKL1080Z1 Corded handset/PNLXU1017Z Corded handset cord/PQJA212V Audio cable/PNJA1214Z Quantity 1 4 1 1 1 1

Ben Botros, Project Manager Safety, Compliance and Quality Assurance Request for Confidentiality December 12, 2019 PCTP-19-F008 Federal Communication Commission Equipment Authorization Division / Application Processing Branch 7435 Oakland Mills Road Columbia, Maryland 21046 To whom it may concern;

FCC ID:

Type Filing:

Model Numbers:

ACJ96NKX-TGW420 Original Application for UPCS Cordless Telephone Base Station KX-TGW420 Request For Permanent Confidentiality In accordance with provisions of Sections 0.457(d) and 0.459 of the Commissions Rules and Section 552(b)(4) of the Freedom of Information Act, we request permanent confidentiality for exhibits, which contain:

(1) Description of Electrical Circuitry;

(2) Schematic Diagrams of Base Unit and RF Unit; and

(3) Base Unit Block Diagram. Rationale: The transmitter is not user adjustable and does not have a Tune-Up Procedure. These exhibits contain proprietary, confidential and trade secrets material, which would not be routinely made available for public inspection and/or distribution would reveal key aspects of proprietary technology to competitors and diminish the value of our investment in research and development Request For Short-Term Confidentiality In accordance with FCC Public DA 04-1705, we request 180 day short-term confidentiality, starting from the from the issuance of equipment authorization date, for exhibits, which contain:

(1) External Photographs of Base Unit and RF Unit;

(2) Internal Photographs of Base Unit and RF Unit;

(3) Test Setup Photographs; and

(4) User Manual. Rationale: These exhibits contain pre-market information, which could give our competitors unfair advantage should this information be released before this product is actually introduced into the common marketplace. Sincerely yours, Ben Botros Project Manager Panasonic Corporation of North America Safety, Compliance and Quality Assurance Two Riverfront Plaza | Newark, NJ 07102-5490

15 January 2020 To whom it may concern, Declarations FCC ID: ACJ96NKX-TGW420 I, the undersigned, hereby declare that 1. The device does not use the provisions of 47CFR 15.323 (c) (6), random waiting mechanism is not used in this system. 2. The provisions of 47CFR 15.323 (c) (10) and 47CFR 15.323 (c) (11) are not used to extend the range of spectrum occupied over space or time for the purpose of denying fair access to spectrum to other devices. 3. Only the handset will act as the initiating device, which will initiate the establishment of the duplex connection. 4. The device complies with the provisions of 47CFR 15.319(f). The device shall automatically discontinue transmission in case of either absence of information to transmit or operational failure. These provisions are not intended to preclude transmission of control and signaling information or use of repetitive codes used by certain digital technologies to complete frame or burst intervals. The following table explains the reaction of device in case of either absence of information to transmit or operational failure after a connection of its companion device is established. Circumstances Reaction of Base Unit Switch-off companion device 2 On hook by companion device 3 Switch-off device 4 On hook on device side 5 Remove power from device 1 A B 6 Remove power from companion device Connection is terminated and, transmission ceases. Connection is terminated but device transmits control or signaling information. C Connection is terminated but companion device transmits control or signaling information. NA Not applicable represents the device does not contain a hook switch or a power off switch. 5. ML of base unit declared by manufacturer are 30dBm. If you have questions or need further information, please contact the undersigned. Regards, NA B NA A A B

Ben Botros, Project Manager Safety, Compliance and Quality Assurance Authorization Letter December 12, 2019 PCTP-19-F008 Federal Communication Commission Equipment Authorization Division / Application Processing Branch 7435 Oakland Mills Road Columbia, Maryland 21046 To whom it may concern;

Panasonic Corporation of North America hereby authorizes Intertek Testing Services (Mr. Terry Chan / Tim Lee/ Herbert Wong / Kenneth Wong) to act on our behalf in front of the Federal Communications Commission with respect to all matters relating to certification of equipment under Part 15 and Part 18 of the FCC Rules for the product specified below only. I further certify that no party (as defined in 1.2002(b) of CFR 47, 2004) to this application, including myself, is subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.,862. FCC ID:

Type Filing:

Model Numbers:

ACJ96NKX-TGW420 Original Application for UPCS Cordless Telephone Base Station KX-TGW420 Isochronous UPCS Base Station (PUB) FCC Part 15, Subpart D 1921.536 ~ 1928.448 5 RF Channels / 5x12 = 60 TDMA Duplex Channels Mobile / MPE (requires minimum 20cm spacing between antenna and body) FCC Part 15, Subpart B Class B Digital Device (JAB) FCC Classification:

FCC Rule Part:

Frequency Range:

Number Channels:

RF Exposure:

FCC Rule Part:

FCC Classification:

Sincerely yours, Ben Botros Project Manager Panasonic Corporation of North America Safety, Compliance and Quality Assurance Two Riverfront Plaza | Newark, NJ 07102-5490