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Summary of Contents for Amplitec W20-GSM
- Page 1 User Manual of W20-GSM indoor single band selective repeaters Amplitec Corporation...
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Page 2: Table Of Contents
User Manual of W20-GSM Indoor single band selective repeaters CATALOGUE CHAPTER 1. SAFETY WARNNING ................2 CHAPTER 2. SUMMARY ....................3 CHAPTER 3. SPECS AND FEATURES ................4 ..........................4 EATURES ........................4 YSTEM DIAGRAM .....................4 LECTRICAL PECIFICATION ....................4 ECHANICAL PECIFICATION ......................6... -
Page 3: Chapter 1. Safety Warnning
User Manual of W20-GSM Indoor single band selective repeaters Chapter 1. Safety Warnning Users must follow the below principles： 1. Repeater should follow system requirement of communication equipment, assure good groundings and lightning protection. 2. The power supply voltage of repeater should meet the standards of security requirement;... -
Page 4: Chapter 2. Summary
Single band selective repeaters mainly applied in covering small blind and weak zones. Indoor single band selective repeater W20-GSM is a good choice for VIP rooms, offices, houses, restaurants, apartments, packing, etc. -
Page 5: Chapter 3. Specs And Features
User Manual of W20-GSM Indoor single band selective repeaters Chapter 3. Specs and features Features Adjustable range of 31dB at 1dB per step. Advanced digital controlled frequency selection to ensure high out of band rejection. Highly stable power design, to work normally even in very tough power environments. -
Page 6: Mechanical Specification
User Manual of W20-GSM Indoor single band selective repeaters Max.Gain ≧65dB ≧70dB Band width 11MHz Gain Adjust Range 31dB in step of 1dB Automatic Level Control ≧20dB Ripple in Band（P-P） ≤3dB Output Power ≧15dBm ≧20dBm Max. Input Power Without Damage ≦0dBm... -
Page 7: Appearance Diagram
User Manual of W20-GSM Indoor single band selective repeaters Appearance Diagram Ports Confidential Page 6... -
Page 8: Chapter 4. Installation
Chapter 4. Installation 4.1 Installation requirements Indoor single band selective repeaters W20-GSM are mainly applied as indoor coverage system, the changes of air moisture and temperature may influence its reliability. So such factors as the temperature, air moisture, dustproof, current source and space requirement, etc shall be fully considered during installation. - Page 9 User Manual of W20-GSM Indoor single band selective repeaters Picture 4.1 Installation diagram Picture 4.2 Hole positions Confidential Page 8...
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Page 10: Connection
User Manual of W20-GSM Indoor single band selective repeaters Installation Steps: A) Use percussion drill to make four Φ6 holes on the wall according to above hole diagram. B) Fill the holes with expanding plug C) Put the tapping screw through the holes and fit tightly with the expanding plug, and fasten the repeater onto the wall. -
Page 11: System Inspection
User Manual of W20-GSM Indoor single band selective repeaters Picture 4.3 Power supply connection 4.4 System inspection The followings should be checked after installation: Grounding impedance<10Ω; Antenna socket, cable are well grounded; Power supply lightening protection Building lightening protection Antenna lightning Protection. -
Page 12: Performance Setting
User Manual of W20-GSM Indoor single band selective repeaters Meaning: working in linearity Green attention: Input signals may be not enough Meaning: overloading or self oscillation, strong input signals Attention: cut the connection of equipment and service antenna, then connect the Output Port to load, if the red light changes to green or orange, which means the isolation of donor antenna and service antenna is not enough, then please adjust the isolation. - Page 13 User Manual of W20-GSM Indoor single band selective repeaters Picture 5.1 ： Curve of output power, input signal and attenuation value output power Output Powe: input power input Power: attenuation vale ATT: input power—attenuation value input Power ATT: : output power rating Downlink gain setting As for the downlink working performance, “orange”...
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Page 14: Chapter 6. Engineering Maintenance
User Manual of W20-GSM Indoor single band selective repeaters Uplink gain setting Uplink gain is set based on downlink gain.. Standards: uplink attenuation value=downlink attenuation value Chapter 6. Engineering Maintenance 6.1 Operation and maintenance Equipment Disassembly Close the outside air switch... -
Page 15: Maintaining Directions
User Manual of W20-GSM Indoor single band selective repeaters Liquid flows into the equipment; Working conditions is not normal, (overheating, abnormal smelling, abnormal sundries) Closet damage Performance decreasement Near to fire Flooding 6.3 Maintaining directions Please check the booster step by step according to below processes, to find out the problem with the repeater.
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