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4 In 4 Out Poi Point Of Interface Combiner 2x800MHz &2x2100MHz&4x1900

Product Details:
Place of Origin: china
Brand Name: ZD
Certification: RoHS
Model Number: ZD-POI-800/2100-1900-4/4
Payment & Shipping Terms:
Minimum Order Quantity: negotiable
Price: negotiable
Packaging Details: carton or wooden box
Delivery Time: 3-4weeks
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 10000pcs per month
  • Detail Information
  • Product Description

Detail Information

Port:: 4 In 4 Out Connector:: N Female
Keyword:: Point Of Interface Power Handling(W): 100
Impedance(Ω): 50 OEM: Yes
High Light:

passive rf combiner


poi telecom

Product Description

4 in 4 out poi combiner 2x800MHz &2x2100MHz&4x1900 Point Of Interface

4 In 4 Out Poi Point Of Interface Combiner 2x800MHz &2x2100MHz&4x1900 0


  • Feature
  • Multi-system Signals Transmission
  • low Intermodulation Value
  • low Insertion, High Isolation
  • Compact Design with 19" Technology
  • Cost-efficiency and Modular Design
  • Cabinets or Racks
  • High Reliability
  • Low Cost Design, Design to Cost
  • RoHS Compliant
  • N , DIN 4.3-10 Connectors
  • Customized Designs Available
  • Application
  • POI is used to combine more channels from mobile communication base stations of several operators and networks in the multiple use of outdoor antenna systems and for in-house coverage.
  • POI is used to combine more than three mobile communication channels, thus allowing several service providers to jointly use more antenna feeder cables or more antennas.

Electrical Specifications


Input Port information (MHz)






Port1 824-894
Port2 824-894



Port1 1710-1755/2110-2155
Port2 1710-1755/2110-2155



Port1 1850-1990
Port2 1850-1990
Port 3 1850-1990
Port 4 1850-1990
Insertion Loss (dB) ≤4
Isolation Same Bands (dB) ≥20
Isolation Different Bands (dB) ≥50
Return Loss (dB) ≥16
Power Handling(W) 100
Intermodulation Products (dBc) ≤-150@2*43dBm
Impedance(Ω) 50
Mounting Rack
Temperature Range(℃) -25~+65
Humidity(%) 5 to 95
Application Indoor






















Mechanical Specifications



(excluding connectors&mounting bracket)

Weight(kg)/(lb) TBD  
Shipping Dimensions,LxWxH(mm)/(in) TBD  
Shipping Weight (kg)/(lb) TBD  


RF Connectors

Input Ports 6x N- Female  
Output Ports 2x N-Female  
Mounting 19" Rack  
Operating Temperature Range (℃) -10 to+60  
Operational Humidity (%) <95  
Environmental Class Indoor  


Block Diagram:


4 In 4 Out Poi Point Of Interface Combiner 2x800MHz &2x2100MHz&4x1900 1

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