User’s Manual for CR-SIG09WB-20
www.cerevotech.com
User’s Manual
GSM900 Mini Repeater
Model: CR-SIG09WB-20
Page 1: ...User s Manual for CR SIG09WB 20 www cerevotech com User s Manual GSM900 Mini Repeater Model CR SIG09WB 20...
Page 2: ...fidential and the property of CEREVO TECHNOLOGY LIMITED No Part may be reproduced disclosed or used except as authorized by contract of other written permission No responsibility is assumed by CEREVO...
Page 3: ...User s Manual for CR SIG09WB 20 www cerevotech com CONTENTS OF DELIVERY Items Quantity CR SI Series In building Repeater 1 9V DC Plug in Power Supply 1 Screw 4 Plastic Expansion Bolt 4 User s Manual 1...
Page 4: ...s CHAPTER 2 BEFORE GETTING STARTED 2 1 Product Description 2 2 How Does It Work 2 3 Accessories Selection CHAPTER 3 INSTALLATION 3 1 Overview 3 2 Internal Antenna Installation 3 3 In building Repeater...
Page 5: ...link DSP Digital Signal Processor DPX Duplexer GSM Global Standard for Mobile Communication Hz Hertz IF Intermediate Frequency LNA Low Noise Amplifier MGC Manual Gain Control MHz Megahertz MTBF Mean T...
Page 6: ...y 3 Any user should disconnect power prior to operate repeater 4 Do not carry out any modification or internal components adjustment The adjustment or repair of the equipment must only be produced by...
Page 7: ...ion and any other technical supports please contact us Cerevo Tech Headquarter Add Rooms 1318 20 13 F Hollywood Plaza 610 Nathan Road Mongkok Kowloon Hong Kong Tel 00852 27108200 ext 3359 Fax 00852 27...
Page 8: ...n a facility Combined with interior antennas and an exterior antenna the repeater boosts the signal level for distribution within the interior areas reducing dropped calls and expanding the carriers s...
Page 9: ...h com Panel Introduction Panel and Interfaces Internal Structure Schematic Diagram Connected with DC power Power Light ATT Dips Power Switch Connected with service antenna internal antenna Connected w...
Page 10: ...peaters work combining with two antennas One is donor antenna and the other one is service antenna The signals obtained from nearest cell tower by donor antenna will be filtered and boosted by amplifi...
Page 11: ...wer on UL It requires high directional capability and narrow beam width Cerevo recommend you use Yagi Antenna as a Donor Antenna Yagi Antennas Service Antennas Selection Service antennas are used for...
Page 12: ...ea is narrow or just a spot such as a long aisle or a lift a directional antenna such as panel antenna will be the best application Panel Antennas Log periodical antennas For more information about Ce...
Page 13: ...Selection An in building mini repeater will be used by combining with splitters or couplers if it is multi spot coverage so that the signals will be divided and sent to several different service ante...
Page 14: ...antenna s position and point to nearest cell tower directly and install the external antenna outside Step4 Run cables from repeater to external antenna and from repeater to internal antenna Step5 Pow...
Page 15: ...ow area coverage such as covering a narrow aisle or garden road install the internal antenna generally use directional panel antenna at one side of the target area and rotate the direction of the inte...
Page 16: ...cable lengths to these antennas is better in other words the repeater should be installed near to service antennas After installation location determined if you select wall mounted please follow below...
Page 17: ...It should be mounted on the outside of the building as high as possible In addition the external antenna should point directly without any other obstacles toward the nearest cell tower to obtain optim...
Page 18: ...Amplifier 95 ft Table of Separations Recommended 3 5 Connections and Running Cables After the locations of repeater and antennas are determined you should run the coaxial cables from the external ant...
Page 19: ...on between the external antenna and internal antenna Refer to above Table of Separations Recommended 3 Verify whether the external antenna points toward nearest cell tower and does not point toward in...
Page 20: ...ink is 70dB 1dB 69dB while the uplink gain reduces 1 2 3dB which is 65 1 2 62dB 6 Please never connect the cell phone directly to the repeater since this will damage it Powering Up Plug the 9 volt pow...
Page 21: ...nor antenna and service antenna is not enough then please enlarge the separation between the external and internal antennas until the light shows green After increasing the separation it is necessary...
Page 22: ...door signal is over 80dBm Check whether repeater is full gain or not Check whether all connectors are tight or not Check whether the output power of Adapter is DC9V or not Check whether the cable type...
Page 23: ...ain Adjust Range dB 30dB 1dB step NF dB 6 Ripple in Band dB 8 Time Delay s 1 5 Intermodulation 9KHz 1GHz UL 36dBm 3KHz DL 20dBm 3KHz 1GHz 12 75GHz UL 30dBm 3KHz DL 20dBm 3KHz Spurious Emission 9KHz 1G...
