Dual Band Digital Fiber Optical Repeater

Model Number: KT-MDDWDF/0-B0-V1   KT-SDDWDF/43-B0-V1
•  Donor Unit and Remote Unit
•  Band selective or channel selective can be customized
•  One Donor Unit can support up 4 Remote Unit to maximize utilization of fiber optic cable
•  Max transmission distance between Donor Unit and Remote Unit is 20Km

Model Number: KT-MDDWDF/0-B0-V1   KT-SDDWDF/43-B0-V1
•  Donor Unit and Remote Unit
•  Band selective or channel selective can be customized
•  One Donor Unit can support up 4 Remote Unit to maximize utilization of fiber optic cable
•  Max transmission distance between Donor Unit and Remote Unit is 20Km

Items GSM+DCS Dual Band Selective Repeater
Operation bandwidth (Mhz) Nominal frequency 890‐915MHz &1710‐1785MHz
Gain (dB) Nominal output power -5dB 50±3
Number of determine GSM Broad band
DCS Wide band
Output power (dBm) GSM modulating signal -5±1 33 □; 37 □; 40 □; 43 □; ±1
DCS modulating signal -5±1 33 □; 37 □; 40 □; ±1
ALC (dBm) Input signal increase 20dB ∆Po ≤ ±1
Noise figure (dB) Work frequency band ≤5 Base station coupling Priorto does not make the request
Ripple in band (dB) GSM (Summit effective work within the bandwidth) ≤3 ≤3
DCS (work effectively within the bandwidth) ≤4 ≤4
Frequency error (ppm) GSM Nomial output power ≤0.05
DCS Nominal output power ≤0.05
GSM/DCS Transmission time delay (µs) Work frequency band ≤5
Peak phase error (º) Work frequency band ≤20 ≤20
RMS phase error (º) Work frequency band ≤5 ≤5
Gain adjusting range (dB) Nominal output power -5dB ≥30 ≥30
Gain adjustment linear (dB) 10dB Nominal output power -5dB ±1 ±1
20dB Nominal output power -5dB ±1 ±1
30dB Nominal output power -5dB ±1.5 ±1.5
Intermodulation attenuation (dBc) Work frequency band ≤50 ≤-45 □
≤-36 □
Band carrier suppresstion ≥60 ≥60
Network capacity Support for 8-chain network and star network, and 4-port hybrid network approach
The maximum draw distance should be greater than 20km
Each remote devices to meet EVM≤6% RMS; DCS
RF input dynamic range The input signal dynamic range ≥40dB; EVM deterioration is not more than 6% .DCS
Time delay Single delay: Digital fiber optic repeater ≤18µs
System time delay: Digital optical fiber relay pull far system ≤25µs (one carry six)
Spurious emissions 9-150Khz (peak value) -36dBm/1Khz -36dBm/1Khz
150Khz-30Mhz (peakvalue) -36dBm/10Khz -36dBm/10Khz
30Mhz-1Ghz (peak value) -36dBm/100Khz -36dBm/100Khz
VSWR BSport 1.5
Msport 1.5