Microhard Systems n920BF Operating Manual

Operating Manual

n920BF

900 MHz Spread Spectrum OEM Transceiver

Revision 0.10, September 4, 2013

Microhard Systems Inc.

#17, 2135 – 32nd Ave N.E.
Calgary, Alberta T3K 4Z4
Phone: [phone]
Fax: [phone]

www.microhardcorp.com

Warranty

Microhard Systems Inc. warrants that each product will be free of defects in material and workmanship for a period of one (1)
year for its products. The warranty commences on the date the product is shipped by Microhard Systems Inc. Microhard Systems
Inc.’s sole liability and responsibility under this warranty is to repair or replace any product which is returned to it by the Buyer
and which Microhard Systems Inc. determines does not conform to the warranty. Product returned to Microhard Systems Inc. for
warranty service will be shipped to Microhard Systems Inc. at Buyer’s expense and will be returned to Buyer at Microhard
Systems Inc.’s expense. In no event shall Microhard Systems Inc. be responsible under this warranty for any defect which is
caused by negligence, misuse or mistreatment of a product or for any unit which has been altered or modified in any way. The
warranty of replacement shall terminate with the warranty of the product.

Warranty Disclaims

Microhard Systems Inc. makes no warranties of any nature of kind, expressed or implied, with respect to the hardware, software,
and/or products and hereby disclaims any and all such warranties, including but not limited to warranty of non-infringement,
implied warranties of merchantability for a particular purpose, any interruption or loss of the hardware, software, and/or product,
any delay in providing the hardware, software, and/or product or correcting any defect in the hardware, software, and/or product,
or any other warranty. The Purchaser represents and warrants that Microhard Systems Inc. has not made any such warranties to
the Purchaser or its agents MICROHARD SYSTEMS INC. EXPRESS WARRANTY TO BUYER CONSTITUTES
MICROHARD SYSTEMS INC. SOLE LIABILITY AND THE BUYER’S SOLE REMEDIES. EXCEPT AS THUS
PROVIDED, MICROHARD SYSTEMS INC. DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PROMISE.

MICROHARD SYSTEMS INC. PRODUCTS ARE NOT DESIGNED OR INTENDED TO BE USED IN
ANY LIFE SUPPORT RELATED DEVICE OR SYSTEM RELATED FUNCTIONS NOR AS PART OF
ANY OTHER CRITICAL SYSTEM AND ARE GRANTED NO FUNCTIONAL WARRANTY.

Indemnification

The Purchaser shall indemnify Microhard Systems Inc. and its respective directors, officers, employees, successors
and assigns including any subsidiaries, related corporations, or affiliates, shall be released and discharged from any
and all manner of action, causes of action, liability, losses, damages, suits, dues, sums of money, expenses
(including legal fees), general damages, special damages, including without limitation, claims for personal injuries,
death or property damage related to the products sold hereunder, costs and demands of every and any kind and
nature whatsoever at law.

IN NO EVENT WILL MICROHARD SYSTEMS INC. BE LIABLE FOR ANY INDIRECT, SPECIAL,
CONSEQUENTIAL, INCIDENTAL, BUSINESS INTERRUPTION, CATASTROPHIC, PUNITIVE OR OTHER
DAMAGES WHICH MAY BE CLAIMED TO ARISE IN CONNECTIO N WIT H THE HARDWARE,
REGARDLESS OF THE LEGAL THEORY BEHIND SUCH CLAIMS, WHETHER IN TORT, CONTRACT OR
UNDER ANY APPLICABLE STATUTORY OR REGULATORY LAWS, RULES, REGULATIONS,
EXECUTIVE OR ADMINISTRATIVE ORDERS OR DECLARATIONS OR OTHERWISE, EVEN IF
MICROHARD SYSTEMS INC. HAS BEEN ADVISED OR OTHERWISE HAS KNOWLEDGE OF THE
POSSIBILITY OF SUCH DAMAGES AND TAKES NO ACTION TO PREVENT OR MINIMIZE SUCH
DAMAGES. IN THE EVENT THAT REGARDLESS OF THE WARRANTY DISCLAIMERS AND HOLD
HARMLESS PROVISIONS INCLUDED ABOVE MICROHARD SYSTEMS INC. IS SOMEHOW HELD
LIABLE OR RESPONSIBLE FOR ANY DAMAGE OR INJURY, MICROHARD SYSTEMS INC.'S LIABILITY
FOR ANYDAMAGES SHALL NOT EXCEED THE PROFIT REALIZED BY MICROHARD SYSTEMS INC.
ON THE SALE OR PROVISION OF THE HARDWARE TO THE CUSTOMER.

Proprietary Rights

The Buyer hereby acknowledges that Microhard Systems Inc. has a proprietary interest and intellectual property rights in the
Hardware, Software and/or Products. The Purchaser shall not (i) remove any copyright, trade secret, trademark or other evidence
of Microhard Systems Inc.’s ownership or proprietary interest or confidentiality other proprietary notices contained on, or in, the
Hardware, Software or Products, (ii) reproduce or modify any Hardware, Software or Products or make any copies thereof, (iii)
reverse assemble, reverse engineer or decompile any Software or copy thereof in whole or in part, (iv) sell, transfer or otherwise
make available to others the Hardware, Software, or Products or documentation thereof or any copy thereof, except in accordance
with this Agreement.

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n920BF Regulatory Requirements

PLEASE READ THIS SECTION CAREFULLY

WARNING:

To satisfy FCC RF exposure requirements for mobile transmitting devices, a separation distance of 23 cm or
more should be maintained between the antenna of this device and persons during device operation. To
ensure compliance, operations at closer than this distance is not recommended. The antenna used for this
transmitter must not be co-located in conjunction with any other antenna or transmitter.

WARNING:

Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and
(2) this device must accept any interference received including interference that may cause undesired
operation.

WARNING:

Changes or modifications not expressly approved by Microhard Systems Inc. could void the user’ s auth ori t y
to operate the equipment. This device has been tested with MCX and Reverse Polarity SMA connectors with
the antennas listed in Appendix A When integrated in OEM products, fixed an ten nas require installation
preventing end-users from replacing them with non-approved antennas. Antennas not listed in the tables
must be tested to comply with FCC Section 15.203 (unique antenna connectors) and Section 15.247
(emissions).

WARNING:

MAXIMUM EIRP
FCC Regulations allow up to 36 dBm equivalent isotropically radiated power (EIRP). Therefore, the sum
of the transmitted power (in dBm), the cabling loss and the antenna gain cannot exceed 36 dBm.

WARNING:

EQUIPMENT LABELING
The FCC and IC numbers depend on the model of the radio module. Do NOT use the Marketing
Name of the product but the Model to distinguish the Certifications Numbers. This device has
been modularly approved. The manufacturer, product name, and FCC and Industry Canada
identifiers of this product must appear on the outside label of the end-user equipment.

SAMPLE LABEL REQUIREMENT for Model: n920BF:

Contains:
FCC ID: NS908P24 IC : 3143A-08P24

This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference,
and (2) this device must accept any interference
received including interference that may cause
undesired operation.

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Contents

Warranty ....................................................................................................................................................................... ii

Warranty Diclaims ........................................................................................................................................................ ii

Indemnification ............................................................................................................................................................. ii

Proprietary Rights ......................................................................................................................................................... ii

n920BF Regulatory Requirements .............................................................................................................................. iii

CONTENTS .............................................................................................................................................................. IV

2. GENERAL ........................................................................................................................................................... 1

2.0 PRODUCT OVERVIEW ........................................................................................................................................................ 1

2.1 OUTPUT POWER LEVEL ..................................................................................................................................................... 2

3. INSTALLATION ................................................................................................................................................. 3

3.0 OVERVIEW ....................................................................................................................................................................... 3

3.1 ESTIMATING THE GAIN MARGIN ....................................................................................................................................... 3

3.2 ANTENNAS AND CABLING ................................................................................................................................................. 5

3.2.1 ........................................................................................................................ Internal Cabling

............................................................................................................................................................................... 5

3.2.2 ............................................................ Installing External Cables, Antennas and Lightning Arrestors

............................................................................................................................................................................... 6

iv N920 Operating Manual