5G & LTE Integrated DAS gIRO The gIRO is an integrated DAS that supports CDMA/WCDMA/LTE and 5G 4T4R. Currently commercially operated on SK Telecom network.


  • 4T4R 5G NR & 4-band LTE-A integrated remote device
  • Digital interface (Private frame, Open CPRI) use and service bandwidth are variable
  • System capable of outdoor installation and in-building distributed antenna network construction
  • CDMA (IS-95A/B, CDMA2000 1X, 1xEV-DO) and LTE service in 800MHz band, LTE service in 1.8GHz band, WCDMA and LTE service in 2.1GHz band, LTE service in 2.6GHz band, LTE service in 3.5GHz band Provide 5G NR service
  • Large output system to expand in-building coverage and increase capacity
  • A system capable of outdoor service in addition to in-building service
  • 5G MIMO support for 5G Throughput increase (2x2 or 4x4 MIMO function support)
  • Multi-band integrated type to reduce installation space constraints and optical line rental costs
  • Band Selectable structure for future LTE frequency bandwidth expansion
  • Center frequency & Band Selectable structure for additional use of 3.5GHz band frequency in the future
gIRO is a member of the cost-effective and highly scalable Mobile Access


  • Features

    • Supported frequencies

        -800 MHz: CDMA (IS-95A/B, CDMA2000 1X, 1xEV-DO) and LTE

        -1.8 GHz: LTE, LTE-A

        -2.1 GHz: WCDMA and LTE, LTE-A

        -2.6 GHz: LTE, LTE-A

        -3.5 GHz: 5G NR

    • Optic Interface

        -WCDMA & LTE: Digital frame (IQ Compression) 5Gbps

        -5G NR: CPRI (IQ Compression) 10Gbps

    • Baseband Interface

        -CDMA & WCDMA: RF interface

        -LTE: IF interface

        -5G NR: CPRI Option 8

    • CDMA & WCDMA, LTE band select setting provided
    • 5G NR 100 MHz + 100 MHz band extension
    • Smart PSU function for predicting power consumption and lifespan
    • Green Mode and Power Amp to reduce power consumption. Provide standby function
    • External battery port provided
    • Service band waveform monitoring function provided
    • Provides remote monitoring function through gREMS server
  • Applications

    • Mobile Access (Macro / Distributed Antenna) Service
    • LTE-A, 5G NR Radio Frequency Service
    • Remote Radio Unit


    OAM and Maintainability

    • gREMS Protocol
    • CPRI Control & Management Protocol
    • Digital Radio Frame Control & Management Protocol

5G & LTE Integrated DAS gIRO Applications


Parameter gIRO
Frequency 800MHz, 1.8GHz, 2.1GHz, 2.6GHz 3.6GHz - 3.8GHz (Max 200MHz Supported)
MIMO/Interface Other : RF/IF Interface 5G : 4T4R / CPRI
Dimension (W x H x D) 460mm x 650mm x 385mm
Weight 80 kg
Power Consumption (DL : UL = 4 : 1) Less than 1700 W
Heat dissipation method Forced convection method (with external fan)

Related Solution and Product

  • Product PRU (5G In-building High Power RU) The PRU can be operated in 5G in-building and outdoors, and can expand 4T4R, 160W (Total) and 200MHz bands. Currently commercially operated on SK Telecom Network.
  • Product AAU (5G In-building Low Power RU) The AAU can be operated on the ceiling/wall of 5G in-building and expandable to 4T4R, 30dBm (Total), 200MHz band. Currently commercially operated on SK Telecom network.