RTX Hong Kong Ltd. ADD: 8/F Corporation Square,8 Lam Lok Street, Kowloon Bay, Kowloon, Hong Kong Tel: +852 24873718 Fax: +852 24806121 Email: epe@rtx.dk Date: 2023-06-05 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: FCC Class II Permission change for FCC ID: T7HX9431 Original Grant Date: 11/15/2019 Dear Sir/Madam, This is to request a Class II permission change to our product name: VOIP Phone,
(FCC ID: T7HX9431), the device is identical to the previously certified except for the changes as below for details
(1) Add model 8328 SIP-DECT SINGLE BASE STATION.
(2) Add trade mark.
(3) Add an alternative PCB with the following:
a. Changed PoE chip from Si3402 to MP8007. b. Changed voltage regulator from LDO to DCDC. c. Changed Ethernet bias to 2.7V d. Add LED driving circuit. e. Add one output coupling capacitor in RF output circuit. f. Add one backup decoupling capacitor for RF selector. g. Changed Ethernet surge protection component. This authorization is valid until further written notice from the applicant. Please contact me if you have any questions or need future information regarding this application. Sincerely Yours, Signature Erik Pedersen Engineering Director