Cover Letter

FCC ID: XRAFB402

Cover Letter(s)

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FCCID_2071458

National Technical Systems – Silicon Valley TCB
41039 Boyce Road
Fremont, CA. 94538

FCCID:XRAFB402
IC: 8542A-FB402

To whom it may concern:

The enclosed documents constitute a formal submittal and application for Equipment
Authorization for a wireless fitness tracker pursuant to the following rules:

       Part 15.247 of FCC Rules (CFR 47), “Operation within the bands 902–928 MHz, 2400–
       2483.5 MHz, and 5725–5850 MHz”
       RSS-Gen Issue 3, December 2010, “General Requirements and Information for the
       Certification of Radiocommunication Equipment”
       RSS-210, Issue 8, December 2010, “Low-power Licence-exempt Radiocommunication
       Devices (All Frequency Bands): Category I Equipment”

The fitbit Force uses a Bluetooth Low Energy (BLE) radio. It is supplied with a Bluetooth
dongle for use with a computer to sync data collected on the device. This dongle has been
approved separately, FCC ID: XRAFB150 and IC: 8542A-FB150.

National Technical Systems – Silicon Valley, as duly authorized agent prepared this submittal. A
copy of the letter of our appointment as agent is included with the application.

If there are any questions or if further information is needed, please contact National Technical
Systems – Silicon Valley for assistance.

Sincerely,




David W. Bare
Chief Engineer




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Document Created: 2013-08-12 13:54:22
Document Modified: 2013-08-12 13:54:22

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