GSM Multi-Carrier High Power Booster System

BMB0900-200-SG09

Smart Coverage Solution System

GSM Multi-Carrier High Power Booster System

Bravo’s newly introduced Multi-Carrier High Power Outdoor Booster platform provides higher downlink EIRP and improved uplink sensitivity at the same time to extend the coverage of existing networks. This multi-carrier based product platform can also work with customized BTS to extend capacity of original GSM BTS with a low system total cost. This product platform features:

FEATURES

  • Available for Cellular band, GSM band, DCS band
  • Support multi-carrier TDMA, GSM/EDGE, CDMA,
  • Downlink output maximum power 200W, support multi-carrier signal amplifier.
  • Support flexible downlink input either duplexed or unduplexed
  • Support system full diversity
  • Downlink and uplink gain adjustable with wide dynamic range
  • Wide uplink input dynamic range
  • 2.0dB uplink noise figure
  • Very high system efficiency
  • Extensive product local monitoring and control
  • Centralized system control/alarms
  • Great system reliability supported by architecture built-in redundancy (optional)
  • Powered by 48 VDC
  • IP55 environmental protection. Designed for indoor or outdoor installations.
  • Extensive protection for lightning, voltage surge, and any high failure rate assemblies
  • Compact system size and light weight

SYSTEM BLOCK DIAGRAM

OUTLINE DRAWING


 


 

Specifications:
RX Characteristics Specification
Frequency Range 890-915 MHz
Instantaneous Bandwidth 25MHz
Max Gain ANT0 & ANT1 15±1 dB
LNA Adjustable Gain Range 0~15dB Adjustable @ ±1dB step
Flatness over Frequency ≤1dB
Noise Figure ≤ 2.3dB@ max. gain
Output 1dB Compression ≥ +12dBm
Output IP3 ≥ +23dBm@max. Gain
Return Loss (VSWR)   ≥ 17.7 dB ( ≤1.3:1)
Insert Loss ≤ 1.5 dB
LNA sensitivity < -125 dBm
TX Characteristics Specification
Frequency Range 935-960MHz
Instantaneous Bandwidth 25MHz
Max. Output Power for 1 carrier@ input BTS0/BTS1 for GSM 200W (53dBm) ( 1 carrier )
100W (50 dBm ) (typical 2 carriers)
50W (46.98 ) (typical 4 carriers)
25W (43.97) (typical 8 carriers)
Number of carriers@max gain up to 16 ( GSM)
up to 6 ( WCDMA )
Input Power Range 30~46dBm ( for BTS0 and BTS1 )
Gain max 15dB (PA Gain accuracy ± 1 dB),
Adjustable gain 0~15 ( ±1dB step )
Gain Flatness ≤1dB
Gain Variation Over Temp ≤ 0.5dB
IMD for GSM modulation 1 Mhz ≥ 65dBc ( 6CH)
Out-band Spurious Emissions 9kHz-1GHz≤-36dBm/100kHz 1GHz-12.75GHz≤-30dBm/1MHz
Spectrum Masks and Spurious Emissions Meeting 3GPP2 requirements
3G WCDMA ACLR (@2 carriers, PAR 7.5)  -56@±5MHz - 59@±10MHz
Return Loss (VSWR) ≥ 17.7dB (≤ 1.3:1)
Insert Loss ≤ 1.5dB
System Characteristics Specification
Return loss(VSWR)  
BTS Ports
Antenna Ports
≥ 17.7dB (≤ 1.3:1)
≥ 17.7dB (≤ 1.3:1)
Bypass Insert Loss ≤ 0.5 dB
Impedance TX and RX 50 Ohm
RX to TX isolation 90dB
Monitor & Control Forward Power, Temp, LNA Conditions (for both), PA Conditions TX Gain Setting, RX Gain Setting, DC Voltage, site’s Address…
Alarm & Protection Over Power Shutdown, Over Temp Shutdown, Over VSWR Shutdown, restart after 5-10 minutes when alarm clear
Environmental Characteristics Specification
Operating Temperature Range -20˚C to +55˚C
Cold Start Temperature - 20˚C
Storage Temperature -20˚C to +85˚C
Humidity 5%~95%
Lightning protection 90V,. 10kA. 8/20μs Pulse with tolerance ±20% (BTS to ANT Port)
EMC ETS 300 342-3
Ingress Protection Class IP55
Mechanical Characteristics Specification
Material (chassis and bracket Mounted ) Steel within powder coating paint & Aluminum Frame
Weight 52Kg
Dimensions(H x W x D) 706mm x 216mm x 437mm
Connectors  
BTS Ports 7/16 DIN female
ANT Ports 7/16 DIN female
ALARM Port Circular Pull-push male, 19PIN
Reliability Characteristics Specification
MTBF  
MCPA 100,000 hours
Rectifier 70,000 hours
Fan 50,000 hours
Other Parts 150,000 hours
Options Specification
Power Input -48VDC ± 10%
Power Consumption ≤2,000W