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| Document ID | 2021039 |
| Application ID | UDxtHNpbKaRZWdGkd7qFmw== |
| Document Description | User Manual |
| Short Term Confidential | No |
| Permanent Confidential | No |
| Supercede | No |
| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 97.13kB (1214103 bits) |
| Date Submitted | 2013-07-19 00:00:00 |
| Date Available | 2013-12-13 00:00:00 |
| Creation Date | 2013-07-08 15:52:27 |
| Producing Software | Microsoft® Office Word 2007 |
| Document Lastmod | 2013-07-08 15:52:27 |
| Document Title | User Manual |
| Document Creator | Microsoft® Office Word 2007 |
| Document Author: | Telcosat Inc |
OPERATION & MAINTENANCE MANUAL
CELLULAR CDMA/GSM/WCDMA
REPEATER MODEL RBB 850
Any modifications to this device will void FCC and IC approvals.
Document use is restricted to that described on the cover
TELCOSAT RPT 900
BLANK PAGE
Document use is restricted to that described on cover
TELCOSAT RPT 900
OPERATIONS & MAINTENANCE MANUAL
CELLULAR REPEATER MODEL RBB 850
TELCOSAT RBB 850
The information set forth in this document and all rights in and to inventions disclosed herein, and
patents which might be granted thereon disclosing, employing or covering the materials, methods,
techniques or apparatus described herein are the exclusive property of Telcosat Inc.
This document is an operation and maintenance manual. No disclosure or reproduction of the
information or drawings shall be made of any other purpose without the prior written consent of
Telcosat Inc. Use of the information contained herein to fabricate or assemble any item in whole or in
part is expressly prohibited.
Any modifications to this device will void FCC and IC approvals.
A Canadian Company
Telcosat Inc.
116, 1919 – 27th Ave NE,
Calgary, Alberta, Canada. T2E 7E4
TEL (403) 291-4031
FAX (403) 291-3059
Document use is restricted to that described on cover
TELCOSAT RPT 900
SAFETY SUMMARY
High voltage is used in the operation of
this equipment. Death on contact may
result if personnel fail to observe the
following safety precautions:
Only qualified trained personnel can install this equipment. Electrical connection and installation must
meet your local Electrical Safety Installation codes.
Prior to any maintenance or inspection of this device disconnect the power supply.
Do not remove covers or access plates on the equipment unless you are a trained technician and
authorized to carry adjustment and maintenance for this apparatus.
When installing antennas always be aware of high voltage overhead power lines. Contact with power
lines will result in severe injury and or death.
To prevent electrical shock or damage to the equipment, do not operate the repeater until you
thoroughly understand the operation and function of all controls, indicators, and connectors.
The RBB850 Repeater weighs approximately 25 lbs/ 12 kilograms. The repeater must be attached to the
appropriate supporting device using nuts, bolts and lock washers. Material grade, must be a minimum
Grade 5, 5/16th” (6mm) diameter and corrosion resistant.
FIRST AID
In case of electrical shock:
THIS PERSON COULD STILL BE IN CONTACT WITH ELECTRICAL POWER. DO NOT TOUCH THIS PERSON
BEFORE YOU INSULATE YOUR SELF FROM THE ELECTRICAL SOURCE.
Turn off the electrical power.
If you cannot turn off the electrical power, pull, push, or lift the person to safety using a dry wooden
pole, a dry rope, or some other insulating material. Do not use any metallic objects to move this person.
After the injured person is no longer in contact with the electrical source, obtain/perform immediate
medical attention.
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TELCOSAT RPT 900
TABLE OF CONTENTS
SAFETY SUMMARY----------------------------------------------------------------------------------------------------------- Page 4
FIRST AID------------------------------------------------------------------------------------------------------------------------Page 4
TABLE OF CONTENTS--------------------------------------------------------------------------------------------------------Page 5
CHAPTER 1
1.1 GENERAL
Page e
1.2 INTRODUCTION
Page 6
1.2.1. MATERIALS
Page 6
1.2.2 RPT 900 APPLICATIONS
Page 6
1.3 RPT 900 SPECIFICATIONS
Page 7
1.4 TECHNICAL ASSISTANCE
Page 7
OPERATIONAL OVERVIEW
CHAPTER 2
Page 8
2.1 GENERAL
Page 8
2.2 REPEATER MODULE RF PATHS
Page 8
2.3 DETAILED TECHNICAL RF SIGNAL PROCESSES
Page 9
2.4 AC POWER DISTRIBUTION
Page 10
INSTALLATION
CHAPTER 3
3.1 WARNING
Page 10
3.2 TOOLS REQUIRED
Page 10
3.3 ANTENNA REQUIREMENTS
Page 11
3.4 ANTENNA ISOLATION & COAX CABLES
Page 12
3.5. INSTALLING YOUR REPEATER
Page 13
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3.6 POWER AND ATTENUATOR SWITCH SETTINGS
Page 14
3.7 RSSI INDICATOR AND SIGNAL LEVELS
Page 14
3.8 ALIGNING YOUR ANTENNA
Page 14
3.9 ADJUSTING UPLINK POWER
Page 15
WARRANTY REPAIR
CHAPTER 4
Page 16
4.1 WARRANTY
Page 16
4.2 LIMITED WARRANTY
Page 16
EQUIPMENT STORAGE
CHAPTER 5
APPENDIX A TECHNICAL SPECIFICATIONS TABLE ONE
Page 17
Page 18
APPENDIX A RF EXPOSURE LEVELS
Page 19
APPENDIX B RETURN GOODS PROCEDURE
Page 20
B2. Returned Goods Procedure
Page 20
B3. Shipping Procedure
Page 20
B4. Returned Shipments
Page 20
B5. Repair / Return Status
Page 20
LIST OF FIGURES
Figure 1-1 RPT 900 in a typical repeater remote site set up configuration
Page 7
Figure 2-1 RPT 900 UP and DOWNCONVERTER Blocks
Page 9
LIST OF TABLES
Table 1- Technical Specifications
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TELCOSAT RPT 900
CHAPTER 1
SCOPE
1.1 GENERAL
The TELCOSAT RBB 850 Cellular Repeater (consisting of UPLINK and DOWNLINK bidirectional system)
contains operational and maintenance information.
Chapter 1 outlines the manual contents, with description and general application notes
Chapter 2 contains an operational and product overview.
Chapter 3 contains of antennas, antenna isolation, installation tools.
Chapter 4 contains information on the software GUI, connecting to a network, configuring the
software and configuring the RBB850 repeater.
Chapter 5 contains warranty information
Appendix A contains FCC/IC RF Exposure Requirements and RBB850 repeater specifications.
Appendix B contains the return goods procedure.
1.2 INTRODUCTION
The TELCOSAT RBB 850 is a bidirectional amplifier system consisting of UPLINK and DOWNLINK
amplifiers.
When conventional cellular communication systems cannot penetrate a structure, or reach a target
area, such as inside buildings, parking structures, tunnels and remote areas, other methods and or
equipment are required.
To overcome coverage issues cellular repeaters can be deployed. Repeaters manufactured by Telcosat,
Model RBB850 will alleviate many of these coverage issues.
The Telcosat RBB850 repeater has full remote control, monitoring and alarm feature, accessible over the
Internet or IP network. The RBB850 has an internal web interface and a user friendly GUI software
interface.
The GUI interface (Graphical User Interface) controls all functions of the repeater.
The RBB850 repeater also comes with digital power control and oscillation detection and control.
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TELCOSAT RPT 900
1.2.1
Materials
The RBB 850 Repeater is enclosed in a weather proof enclosure. System comes with instruction manual
and attached power cord.
Fig. 1-1
Typical TELCOSAT INC remote location Site System
Fig. 1-1 TELCOSAT INC Remote Location Site Configuration
External wall or tower mount antenna/YAGI
Fill-in Antenna
Cable Grounding Kits
TELCOSAT RPT 900
bidirectional
Cable Grounding Kits
Fig. 1-1
1.3 RBB 850 SPECIFICATIONS
Appendix A contains the TELCOSAT RBB 850 Repeater Specifications.
1.4 TECHNICAL ASSISTANCE
Technical assistance on the TELCOSAT RBB 850 Repeater is available through:
TELCOSAT Customer Service Center,
Phone: 1-403-291-4031.
Fax: 1-403-291-3059
EMAIL: inquiries@telcosat.com
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TELCOSAT RPT 900
CHAPTER 2
OPERATIONAL OVERVIEW
2.1 GENERAL
The TELCOSAT RBB 850 provides service at cellular radio frequencies 824/849MHz & 869/894MHz.
Downlink RF signals from a donor cell site are routed through a pick-up antenna, through a Diplexer
then continues to be process by the amplifier chain. The RF signal is amplified and filtered to reject outof-band IM products and unwanted radio signals. The downlink RF is injected into a fill-in antenna
(coverage antenna) for null-area coverage.
The Up-link signals from mobile units are received into the coverage antenna of the repeater. The
incoming signal then passes through a Diplexer, then amplified in the Up-link modules and finally the
power amplifier. The Up-link process is the same as the Down-Link process.
2.2 OSCILLATION DETECTION
The RBB 850 has an oscillation detection function. Upon detection of oscillation the repeater will shut
down for a short duration, approximately 25 seconds. After 25 seconds the repeater will restart, reduce
the RF gain and determine if the repeater is stable. The repeater will continue this process until the
oscillations is eliminated. If oscillation cannot be eliminated the repeater will activate the disable mode
and will cease to transmit.
The repeater requires a power cycle to reset the auto oscillation detection process, or alternatively the
repeater can be reactivated via the GUI web interface.
RBB 850 REPEATER
DL RF BPF
RF Amp1
Dig Att Dl
Dig
Att
IF Amp1
IF BPF
IF Amp 2
DL RF BPF
Driver
LNA
Pout DL
Area
fill
ANT
PA
Power
Det
Donor
ANT
Pout UL
DL PLL+VCO
DL LO
DL LO
TCXO
uC
UL LO
UL PLL+VCO
Dig Att DL
Pout UL
LNA
Dig Att UL
Power
Det
UL LO
PA
Driver
UL RF BPF
IF BPF
UL RF BPF
Dig
Att 1
Figure 2-1 illustrated a simplified block diagram of the RBB 850 Cellular Repeater.
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TELCOSAT RPT 900
2.3 AC POWER DISTRIBUTION
AC input power via a power cord which feeds a power supply that converts the AC to DC low voltage.
The DC power provides all the necessary requirements for the active components.
The repeater is equipped with a red LED power on light.
Power Supply Specifications,
-40c° to +50c° Operating Temperature Range
Short circuit, over power and over voltage protection
Input Power, 100-240 VAC
47/63 Hertz
Output Power, 12VDC/5AMPS
Approvals, UL, CUL, CE
CHAPTER 3
INSTALLATION
READ THESE INSTRUCTIONS PRIOR TO INSTALLATION
3.1 WARNING
Cellular Repeaters should be installed by fully trained technicians. Improper installation and excessive
RF power levels can cause interference with the operation of cellular towers.
Antennas must be mounted in a secure safe manner and according to safe working practices.
To protect your equipment, lightning protection hardware is recommended when installing a cellular
repeater unit.
Antennas must not be installed near overhead electrical power lines as this can cause serious injury
and or death.
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TELCOSAT RPT 900
If you require any additional installation guidelines then please consult your supplier or consult with
an RF Systems Engineer.
3.2 TOOLS REQUIRED
Spectrum analyzer with a tracking generator, frequency ranges 1 Gigahertz.
Optional Signal Generator for onsite testing of the repeater, frequency range of 1 Gigahertz minimum.
Antenna analyzer.
Computer with all necessary cables.
Multi-meter.
Hand tools.
Water proofing tape.
Coax cable straps for support.
Cellular Phone.
3.3 ANTENNA REQUIREMENTS
ANTENNAS: please read your manufacturers antenna specifications before installation. Your antenna
will require a type “N” connection. The antenna, coax, and fittings must be 50 ohms impedance.
The cellular repeater requires antennas that operate in the desired frequency range of the cellular
repeater. The RBB850 Repeater has a frequency operating range of 824 to 849 Megahertz for the uplink, and 869 to894 Megahertz for the downlink. Your antennas must operate within these frequencies.
Failure to select the proper antennas will degrade the performance of your repeater.
NOTE:
“UP-LINK” is the radio link from your hand held cellular phone to the cellular tower in the frequency
range of 824/ 849 Megahertz
“DOWN-LINK” is the radio link from the cellular tower to your cellular phone in the frequency range of
869 /894 Megahertz.
3.4 ANTENNA ISOLATION & COAX CABLES
All repeaters require antenna isolation to prevent oscillation. The usable gain level of your repeater is
directly linked to the antenna isolation values. The maximum gain of your repeater must be adjusted to
a minimum of 10 dB lower than your antenna isolation values. For example, if your antenna isolation
value is 75dB then your maximum usable repeater gain is 65dB.
Due to the variations of system layouts and requirements it is not possible to have one procedure that
will suffice every installation. You are strongly advised to acquire the services of an RF system designer
to calculate your antenna isolation requirements.
Ensure that your antennas are at the maximum possible distance apart. Do not place antennas in close
proximity to each other; otherwise you will activate the oscillation detection process.
Coax cables should be low loss 50 ohm, and suitable for 800 Mhz band frequency.
Antenna connections should be clean and moisture free. Do not spray lubricant into the connectors as
this prevents the signal traveling through the coax. Use a cleaning solvent that has no oil and does not
leave any residue. High quality oil-less contact cleaner is suitable.
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TELCOSAT RPT 900
All coax connectors must be water tight and wrapped with water proof tape. Any moisture in the
connectors will degrade or eliminate the signals.
ANTENNA CONNECTIONS ON THE RBB850
Connect the antenna that is aimed at the Cell Tower to the bottom left side N connector.
Connect the antenna that is aimed towards the Area Fill (target site) to the bottom right side N
connector.
Connect your Ethernet cable to the connector socket located on the left side of the power on LED light.
NOTE; If you require a water proof boot cover for the Ethernet connection contact your Repeater
supplier.
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TELCOSAT RPT 900
CHAPTER 4
CONNECTING THE RBB850 REPEATER TO A COMPUTER OR NETWORK
4.1 The default IP address of the Repeater
IP 192.168.1.100
NETWORK MASK
255.255.255.0
To connect your computer to the repeater you need to configure your network card in your computer to
the following IP
IP 192.168.1.99
NETWORK MASK
255.255.255.0
Start your Internet Browser, for example Windows Internet Explorer.
In the browser address bar type in, http://192.168.1.100
REPEATER LOGIN SCREEN
4.2 The Repeater log in page should appear. See image below.
REPEATER LOGIN PAGE
The default log in password for the Administration is “telcosat“
The default log in password for the Monitoring password is “telcosat“
You can change the password in the System Setup Screen.
The repeater will allow two levels of password.
The Monitor Password only allows the user to view the details and cannot make any adjustments.
The Administrator Password allows the user to make all adjustments to the repeater and also change
password settings.
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TELCOSAT RPT 900
REPEATER STATUS PAGE
4. 3
The “Status Page” is a summary of current settings of the repeater. This page is only a status
page. No repeater adjustments can be performed from this screen.
When the repeater is remotely accessed using the Monitoring Mode, this page is displayed.
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TELCOSAT RPT 900
REPEATER SET UP PAGE
4.4
The Repeater Set-up Page is where all adjustments/settings are performed. Enter the required setting in
the box and then click the “Save Settings” box. You can verify the setting by reviewing the “Status Page”
4.5 ALARM THRESHOLDS
Alarm thresholds will send an email alerting that the number in the threshold boxes have be reached.
For example, the Temperature high alarm box is set to 70c°. If the temperature of the repeater reaches
70c° an email alert will be sent from the repeater.
Setting the Alarm Thresholds
Power up the repeater, allow the unit to warm up to operating temperature, log in and go to the
Repeater “Status Screen”. Look for the Repeater Status Screen, then look for Working Status Box on
the same page.
DC current of the Forward Link and the DC current of the Reverse Link.
4.6 High Current Alarm Settings
Using the data from the manual for this example only, REPEATER STATUS PAGE,
Displayed is DC current Forward Link 91mA
Displayed is DC current Reverse Link 85mA.
This is the normal operating current from your repeater and should be used as a guide line for Alarm
Threshold.
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TELCOSAT RPT 900
Add another 5mA to each value, 91+5= 96mA Forward Link
85+5=90mA Reverse Link
The new values can be inserted into the Threshold Alarm settings
DC current High alarm Forward Link set to 96mA
DC current High alarm Reverse Link set to 90mA
In the event that the current reaches this alarm setting, an email will be sent, sudden high current could
indicate a possible problem.
4.7 Low Current Alarm Settings
Using the same data set from the Status Page.
For low current alarm threshold we need to be less than the normal operating current. For low current
settings minus 5mA from the operating current.
Minus 5mA to each value, 91-5= 86mA Forward Link
85-5=80mA Reverse Link
DC current low alarm Forward Link set to 86mA
DC current low alarm Reverse Link set to 80mA
In the event that the current reaches this alarm setting, an email will be sent.
Sudden low current could indicate a possible problem or failure.
4.8 EMAIL ALARM COUNTER.
The email alarm counter records the number of times and email was sent. You can reset the counter to
zero by clicking the Reset Alarm Counter Box.
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TELCOSAT RPT 900
ALARM SET-UP PAGE
4.9
This page allows the user to configure the email settings for the alarm recipient.
This page allows the user to enable or disable the Send Alarm Email.
After entering the information the user must click the Saves Settings box.
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TELCOSAT RPT 900
4.10
LOCAL NETWORK SETUP
The local network set-up screen allows the user to modify the network setup.
Enter the new information into each box and click the Save Settings box.
Verify the settings in the System Status page.
The user must record the network settings for future reference and access requirements.
4.11 RESETTING THE IP/NETWORK MASK DEFAULT
In the even the IP/Network information is not available then a manual reset has to be performed on the
repeater.
Remove the 10 Allen Head type bolts, use an 8 mm Hex Key wrench.
There is a small push button, press and hold for 5 seconds.
The default IP will be reset to 192.168.1.100
The default Network Mask will be reset to 255.255.255.0
See attached image to locate the RESET BUTTON.
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TELCOSAT RPT 900
4.12 PASSWORD SETUP AND REPEATER LOCATION SCREEN
Administration Password
Type in your new password in the Administration box. You will be required to retype your password to
ensure accuracy. It is recommended that you use minimum of 12 characters, letter number mix for
security. Click the Save Settings button.
The Administration screen allows the user to access all settings and make changes.
Your Administration password should be different from your Monitoring Password.
Monitoring Password
Type in your new password in the Monitoring box. Retype your password to ensure accuracy. Click the
Save Settings button.
The Monitoring screen does not allow the user to make any changes. The user can only view the data.
System Setup Screen
4.13 Repeater Location Setup Screen.
The repeater location box allows the user to insert the address and or location of the repeater. The
location Latitude and Longitude are in Degrees Decimal. After entering data Click the Save Settings box.
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TELCOSAT RPT 900
ADJUSTING UP-LINK TRANSMIT POWER TO CELLULAR TOWER
4.14
Adjusting RF Transmit Levels
After installing your repeater system you will need adjust the RF transmit levels for the Forward Link and
the Reverse Link.
Power up the repeater, log into the GUI interface. Go to the Repeater Set up Page. Adjust the gain to
zero on the Forward Link Gain and the Reverse Link Gain. Click the save settings button.
Start increasing the gain on the Forward Link 5 dB increments. Click the save settings button. View your
cell phone and look for an increase in the bars (signal strength) or use a Spectrum Analyzer with
attached antenna.
Continue to increase the Forward Link gain at 5dB increments until to see a suitable increase in signal
strength. Note, it is not necessary to have maximum bars, 3 to 4 bars is adequate. For in-building
coverage to much signal will cause the building to leak out excessive RF and cause possible interference.
The next step is to adjust the RF power going back to the cell tower. (Reverse Link Gain)
Using your cell phone, initiate a call. If the call does not connect then increase the Reverse Link Gain
2dB, then click the save settings buttons.
Every time you increase the Reverse Link Gain use your cell phone and try to make a call. Repeat the
process, increase the Reverse Link Gain 2dB increments, Click the save settings button.
Eventually you will be able to make a cellular call with quick connection time. At this point increase the
Reverse Link Gain by an additional 2dB then your system should be configured to work correctly.
4.15
Setting the Maximum RF Power Level for the Reverse Link.
It is very important not to have too much reverse link RF power to the cell tower. Excessive RF power
towards the cell tower will cause interference and non-functionality to the wireless network.
Adjusting the repeater reverse link correctly will prevent cell tower interference. This process is
explained in the Setting RF Transmit Levels.
ADJUSTING REVERSE LINK MAXIMUM POWER LEVEL.
Additional protection is gained if the reverse link maximum power level is adjusted to prevent the
possibility of sudden unwanted high input RF levels. This can happen in various ways, mobile cellular
vehicle boosters coming within range of the cellular repeaters, malfunctioning cellular phones, or other
stray signals.
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TELCOSAT RPT 900
The RBB850 has an adjustable Maximum allowable RF Power limit. The maximum allowable RF power
limit is 25dBm. The digitally controlled attenuator will not permit RF signal levels greater than 25dBm.
The user can decrease the maximum allowable RF transmit power from 25dBm to 0.0dBm. The
microprocessor controlled digital attenuator will maintain the preset allowable RF transmit power limit
regardless of unwanted high input signal levels.
Decreasing the level of maximum RF reverse link power helps to reduce possible cellular tower
interference for sudden elevated RF power, especially when the RBB850 repeater is installed in areas
where the cellular towers are less than 5 kilometres (2 miles) distance.
Under normal operations and when the cell tower is less than 2 miles away the user can reduce the
Reverse Link Maximum power to +10dB to +15dB when connected to a 10dB to 14dB Donor antenna.
CHAPTER 5
WARRANTY AND REPAIR
5.1 WARRANTY
Your Telcosat Repeater is guaranteed against manufacturers defects for 2 years.
Telcosat Inc retains the right to decide if the fault/defect is a manufacturer’s defect.
Telcosat Inc will not accept liability for any damage caused through improper use or poor installation
practices.
5.2 Limited Warranty
Hardware. Telcosat Inc or any subsidiary selling the Product (RBB850 Cellular Repeater) warrants that
commencing from the date of shipment for a period of 2 years factory warranty against manufactures
defect. Warranty includes parts and labour only.
Note, freight is not included in the warranty. Shipper is liable for all freight costs.
Telcosat Inc reserves the right to determine if repair claims are Warranty, or damage caused by some
other reason, for example and not limiting to, lightning strikes etc,.
EXCEPT AS SPECIFIED IN THIS WARRANTY, ALL EXPRESS OR IMPLIED CONDITIONS,
REPRESENTATIONS, AND WARRANTIES INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTY
OR CONDITION OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT,
SATISFACTORY QUALITY, NON-INTERFERENCE, ACCURACY OF INFORMATIONAL CONTENT, OR
ARISING FROM A COURSE OF DEALING, LAW, USAGE, OR TRADE PRACTICE, ARE HEREBY EXCLUDED
TO THE EXTENT ALLOWED BY APPLICABLE LAW AND ARE EXPRESSLY DISCLAIMED BY TELCOSAT INC,
ITS SUPPLIERS AND LICENSORS. TO THE EXTENT AN IMPLIED WARRANTY CANNOT BE EXCLUDED,
SUCH WARRANTY IS LIMITED IN DURATION TO THE EXPRESS WARRANTY PERIOD. SOME STATES OR
JURISDICTIONS DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS; THE
ABOVE LIMITATION MAY NOT APPLY. THIS WARRANTY GIVES CUSTOMER SPECIFIC LEGAL RIGHTS,
AND CUSTOMER MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM JURISDICTION TO
JURISDICTION. This disclaimer and exclusion shall apply even if the express warranty set forth above
fails of its essential purpose.
Restrictions. This warranty does not apply if the Product or any other equipment upon which the
Product is authorized to be used (a) has been altered, except by Telcosat Inc, (b) has not been installed,
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TELCOSAT RPT 900
operated, repaired, or maintained in accordance with instructions supplied by Telcosat Inc, (c) has been
subjected to abnormal physical or electrical stress, misuse, negligence, accidents forces of nature,
earthquakes, lightning strikes, vandalism, and civil unrest.
5.3 Storage of Equipment
When storing your equipment you must place the unit in a dry location, away from direct sun exposure
and take measures to prevent moisture/condensation build up in your repeater enclosure.
Silica Gel bags should be placed inside the enclosure to absorb moisture. The door on the enclosure
should be closed and sealed.The silica gel bags should be changed /inspected at regular intervals to
ensure proper functionality of the material.
You are strongly advised to seek the advice of a professional company that has expertise in long term
preservation techniques of electronic equipment.
Maximum storage temperatures of your Telcosat Repeater is +50c (122F)
Minimum storage temperature of your Telcosat Repeater is -40c (-40F)
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TELCOSAT RPT 900
Appendix A
Specifications for Telcosat Repeater Model RBB850
Frequency Range:
Down link 824-849MHz / Up-link 869-894MHz
Overall systems Gain
70dB
Band Width
25 Megahertz
RF Composite Power
+25dBm
Noise Level
< Less than 5dB
RFGain Adjustment
31.5 dB with 0.5dB increments via software
Antenna Connector
N type Female 50 ohms
EVM
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