5G Multi-carrier DAS

5G Multi-carrier DAS

GDM 3436-MC

The GDM 3436-MC product is a 5G-dedicated DAS system developed to cover 3.5GHz frequency band coverage.

The DAS can support up to four operators based on each operator’s 4T4R input, and the SU is designed to cover two output power specification: HSU (High-power SU) and LSU (Low-power SU), so that the coverage can be flexibly conducted for the installation purposes.

By applying ultra-broadband DPD technology, the service bandwidth of SU has been extended to 280 MHz, and it also can be designed as a single SU up to 300 MHz band depending on the market needs.

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Catalog

BTS-Fed Active / Hybrid 5G DAS

High Capacity Performing Network

GDM 3436-MC

Multi-carrier configuration

  • 3,5GHz band
  • Up to 4 mobile carriers
  • Wideband DPD up to 280MHz bandwidth in total

Built-in POI

  • High-power attenuating device inside the Master Unit
  • Backup DC power source using high power energy harvesting
  • Reduce heating issue of the site

UNC (Uplink Noise Cancellation)

  • Minimize base station noise by eliminating noise generated by multiple SUs
  • Optimized filtering algorithm for noise cancellation

System configuration

  • MU: EU: SU = 1: 8: 128
  • HSU (46dBm), LSU (30dBm)

Low latency design

  • Reduced system delay for more TDD coverage
  • Optimized design of the delay of channel filter & pre-distortion algorithm

Demodulation

  • TDD sync directly from downlink RF input

GDM 3436-MC

GDM 3436-MC

Item Link Specification
Frequency Range UL/DL 3300 ~ 3600 MHz
Total Bandwidth UL/DL 300MHz
MIMO UL/DL 4T4R
Max Input Power DL

+40 dBm/carrier, +46dBm/4carrier total@HSU

+21 dBm/carrier,+27dBm/4carrier total@LSU

Max Input Power DL -47 dBm
Max Output Power UL -10 dBm
System Gain UL/DL 37 /30dB@HSU, 30/11 dB@LSU
Gain Flatness (UL/DL) UL/DL ≤3 dBp-p/carrier
Frequency Stability UL/DL ≤0.01ppm
Delay UL/DL ≤6 usec
SEM DL 3GPP TS 38.104 compliant
Spurious Emission DL 3GPP TS 38.104 compliant
EVM DL ≤3.5%@256QAM
ACLR DL ≥45dB
VSWR UL ≤1.5:1
Noise Figure UL ≤6dB
System Configuration MU:EU:SU=1:8:128

GDM 3436-MC

Master Unit (MU) Specification
Dimension W*D*H=482.6*250*266nm
Weight ≤20kg
Cooling Forced convection
Operating Temperature -10 ~ +55℃
Relative humidity 0% ~ 90%
Mount type Rackor Wall mount
RF connector Mini-DIN 4.3-10 (female)
Typeof Power Supply DC-DC convertor (DC -48V in)
Local monitoring RJ-45
Power consumption ≤ 90W
MU
Extension Unit (EU) Specification
Dimension W*D*H=482.6*410*133mm
Weight ≤16kg
Cooling Forced convection
Operating Temperature -10 ~ +60℃
Relative humidity 0% ~ 90%
Mount type Rackor Wall mount
RF connector None
Typeof Power Supply AC-DC powersupply

(AC100~200V free volt in)

DC power transmission to SU DC -48V
Local Monitoring RJ-45
Power consumption ≤ 75W
EU
High Power Service Unit (HSU) Specification
Dimension W*D*H=430*600*210mm
Weight ≤30kg
Cooling Convection
Operating Temperature -40 ~ +55℃
Relative humidity 0% ~ 95%
Mount type Wall mount
RF connector Mini-DIN 4.3-10 (female)
Typeof Power Supply AC110V
Local Monitoring RJ-45
Power consumption ≤ 950W
HSU
Low Power Service Unit (LSU) Specification
Dimension W*D*H=355*257*73mm
Weight ≤6kg
Cooling Convection
Operating Temperature -10 ~ +60℃
Relative humidity 0% ~ 95%
Mount type Wall mount/Ceiling Mount/Suspension Bolt
RF connector Mini-DIN 4.3-10 (female)
Typeof Power Supply DC-DC convertor (DC -48V in)
Local Monitoring RJ-45
Power consumption ≤ 83W
LSU

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