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

ItemsGSM+DCS Dual Band Selective Repeater
Operation bandwidth (Mhz)Nominal frequency890‐915MHz &1710‐1785MHz
Gain (dB)Nominal output power -5dB50±3
Number of determineGSMBroad band
DCSWide band
Output power (dBm)GSM modulating signal-5±133 □; 37 □; 40 □; 43 □; ±1
DCS modulating signal-5±133 □; 37 □; 40 □; ±1
ALC (dBm)Input signal increase 20dB∆Po ≤ ±1
Noise figure (dB)Work frequency band≤5Base 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/DCSTransmission 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)10dBNominal output power -5dB±1±1
20dBNominal output power -5dB±1±1
30dBNominal output power -5dB±1.5±1.5
Intermodulation attenuation (dBc)Work frequency band≤50≤-45 □
≤-36 □
Band carrier suppresstion≥60≥60
Network capacitySupport 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 rangeThe input signal dynamic range ≥40dB; EVM deterioration is not more than 6% .DCS
Time delaySingle delay: Digital fiber optic repeater ≤18µs
System time delay: Digital optical fiber relay pull far system ≤25µs (one carry six)
Spurious emissions9-150Khz (peak value)-36dBm/1Khz-36dBm/1Khz
150Khz-30Mhz (peakvalue)-36dBm/10Khz-36dBm/10Khz
30Mhz-1Ghz (peak value)-36dBm/100Khz-36dBm/100Khz
VSWRBSport1.5
Msport1.5