Attestation Letter

FCC ID: V2R-BT100NC

Cover Letter(s)

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FCCID_2549366

                                    5 Gangnam—dearo 107—gil, Seocho—gu, Seoul,
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 (( Z7 Tad i. |ATD N                Tel No : +82—2—2041—2646
                                    Fax No : +82—2—2041—2787




                ATTESTATION STATEMENT

In re : Cresyn Co., Ltd.
FCC ID : V2R—BT10O0ONC
Date : 2015—02—25

15.247(a)(1)
The hopping sequence is random. Each hopping channels is used equally on the average.
The receiver input bandwidth matches the bandwidth of the transmitted signal. The receiver
has the ability to shift frequencies in synchronization with the transmitted signals.

Example of a 79 hopping sequence in data mode:
 20 62 46 77               7 64             8 73                              16   75     1




15.247(g)
The system is designed to comply with all of the regulations in Section 15.247 when the
transmitter is presented with a continuous data (or information).

15.247(h)
The system does not coordinate its channel selection/hopping sequence with other
frequency hopping systems for the express purpose of avoiding the simultaneous occupancy
of individual hopping frequencies by multiple transmitters.


Sincerely,




             2
Jaesoo, Jung / Research Engineer
Cresyn Co., Ltd.



Document Created: 2015-02-25 17:54:45
Document Modified: 2015-02-25 17:54:45

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