User Manual

DOC DN-62110.05 • 12152020 • DMC
ENTERPRISE DAS MASTER
758 - 869 MHz
NFBDA-x-EM4
Product Features
• Specifically designed for 700 MHz and 800 MHz, LMR and Public
Safety Applications
• No need of “Front End BDA” or “POI”, reduced infrastructure cost
• Channelized
• Programmable uplink squelch (per channel and time slot)
for reduced UL noise contribution
• Software programmable channel selective or band selective
operation, suitable for highly congested RF environments
• Centralized operation, single point of access
• AGC per channel and time slot
• Supports Over The Air (OTA) operation
• NFPA Compliant
• Preserves BTS Rx sensitivity
• Signal Booster functionality, TO MOBILE RF Port available
• Country of Origin: USA
• 3-year warranty
• IFC & NFPA compliance; UL2524 2nd Edition Listing
Applications
• For P25 Ph1, P25 Ph2, DMR, TETRA, TETRAPOL, C2000, LTE (up to
960MHz) NXDN and Conventional Systems
• Indoor: tunnels, buildings, subways, airports, among others
• Outdoor: stadiums, canyons, dense urban areas, remote rural towns
Specifications Value
Fiber Optic Single mode
WDM Yes
Optical wavelengths 1310 / 1550 nM
Operational bands PS700, FirstNet, PS800
Number of channel filters 32 UL - 32 DL + 2 Bandwidth adjustable per band
Available channel filter BW 150 KHz, 100 KHz, 75 KHz, , 62.5 KHz, 50 KHz, 37.5 KHz, 25 KHz & 12.5 KHz
Group delay Channel Selective 150KHz, 11.5μS
Channel Selective 100KHz, 13.5μS
Channel Selective 75KHz, 16.0μS
Channel Selective 62.5KHz, 18.0μS
Channel Selective 50KHz, 21.0μS
Channel Selective 37.5KHz, 25.5μS
Channel Selective 25KHz, 35.0μS
Channel Selective 12.5KHz, 61.5μS
or Band selective: 3.5 to 6.5μS, depending on BWA
Supported Fiber Loss 5dBo max
Optical return loss >45dB
RF Input/Output Impedance 50Ω
Max Operational DL Input Power -35dBm
DL manual attenuator 20dB in 1dB steps
Maximum UL output power +24 dBm
UL IM and spurious generation < -13dBm
Remote UnitMaster Unit
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