Part90_SpectEfficiency_Attestation

FCC ID: 2ADAKSFFR6UL2

Attestation Statements

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FCCID_4341304

Etherstack Inc | New York (GMT -5) 1115 Broadway, Suite #1276 New York, NY 10010 UNITED STATES E: info.na@etherstack.com P: +1 917 661 4110 Date: 19th March 2018 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 United States of America. ATTESTATION STATEMENT – Spectrum Efficiency FCC ID: 2ADAKSFFR6UL2 To whom it may concern: As per 47CFR Section 90.203(j)(5), Etherstack Inc hereby affirm the above model is capable of the spectrum efficiency standard of one voice channel per 6.25kHz of channel bandwidth. The model is capable via 2 digitized 3600 bps voice channels over a single 9600 bps digital modulation within 12.5kHz of channel bandwidth. Additionally, Etherstack Inc, affirm the equipment is capable of supporting a minimum data rate of 4800 bits per second per 6.25 kHz of channel bandwidth. The model is capable via 9600 bps digital modulation within 12.5kHz of channel bandwidth. Please contact me if you require any additional information. Yours faithfully, Doug J Chapman, Vice President Business Development Etherstack Inc. Sydney (GMT +10) Yokohama (GMT +9) UK (GMT) P: +61 2 8399 7500 P: +81 45 342 9050 P: +44 118 951 1000 info.au@etherstack.com info.jp@etherstack.com info.eu@etherstack.com


Document Created: 2018-03-22 10:55:39
Document Modified: 2018-03-22 10:55:39
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