E-Mail generated [Apr 10 2017]

0354-EX-ST-2017 Correspondence

FCL Tech, Inc.

2017-04-10ELS_190249

To: Christopher Bjornson
E-Mail: cbjornson@steptoe.com
From: Leann Nguyen
Date: April 10, 2017

Subject: Request for Info - File # 0354-EX-ST-2017
----------------------------------------------------------------------------------------------------------------------------
Message:

IB has concerns of potential of harmful interference to FCC license satellite uplink and downlink from the
experimental antennas transmitting in the 5250-5850 MHz, 18-20 GHz, 24.0-27.5 GHz, 27.5-29.7 GHz
and 29.7-30 GHz band.

IB will need detail antenna information for these operations since we do not know the pointing direction.
A presentative antenna pattern will be very useful to perform more detail analysis and the exact pointing
direction of the transmit antenna in all the bands.

Also, IB notes that a Mobile station is being request to operate in the 24-27.5 GHz, 27.5-29.7 GHz and
29.7-30 GHz bands. Please explain the type of mobile vehicle being use for this operation. We will need
a detail concept of operation for the mobile station to better understand the impact to the FCC license
satellite operations in these frequency bands.

For operations in the 18-20 GHz band, we identify a number of receiving satellite earth stations that are in
close proximity of the experimental station. We will need to know what direction these antennas will be
pointing and what mitigation technique are being use to eliminate any potential interference to the
receiving earth stations.

Please provide all the information request and perhaps IB can hold a phone call to discuss the details
further.



The items indicated above must be submitted before processing can continue on the above referenced
application. Failure to provide the requested information within 30 days of April 10, 2017 may result in
application dismissal pursuant to Section 5.67 and forfeiture of the filing fee pursuant to Section 1.1108.

DO NOT Reply to this email by using the 'Reply' button. In order for your response to be processed
expeditiously, you must upload your response via the Internet at https://apps.fcc.gov/oetcf/els/index.cfm
by clicking on the "Reply to Correspondence" hyperlink.


Responses to this correspondence must contain the Reference number : 36451



Document Created: 2017-04-10 15:18:29
Document Modified: 2017-04-10 15:18:29

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