6.3 Diversity
2-wayreceiverdiversityissupported.Singlereceiverconfigurationissupportedbyboth
receiversincaseoffailureofoneofthereceivers.Singletransmitconfigurationis
supportedincaseoffailureofoneofthetransmittersorantennas,allowingatransmit
modeconfigurationofTxDiversity(SIMO).
6.4 RF Output Power
Transmitpowermaximum:
•
250mW+250mW
•
24dBmperbranch
Transmitpowercanbeconfiguredindifferentstepsfromthemaximumdowntothe
transmitpowerdefinedforaLTEorWCDMALocalAreaclass:
•
250mW+250mW
•
24dBm(supportedcommisioningvalues:from17dBmto24dBm,stepof1dB)
6.5 External RF Antennas
Picoindoorvariantsprimarilyutilizeinternalantennas.Externalantennasarealso
supportedbutrequireadditionalhardware,asthePicoIndoorradioisnotsuppliedwith
externalantennasorantennamounting.
Guidelines for selecting external antennas
Table8
FlexiZonePicoIndoorexternalantennarequirements/recommendations
Parameter Requirement / Recommendations
Type Applicationspecific(primarilyceilingmountis
envisionedbutanytypecanbeused)
Frequencyrange Operatingbanduplinkanddownlink
frequencieshavetobecoveredforthePico
modelused
Polarization Linear,cross-polarized,orverticaland
horizontal
Gain Applicationspecific(refertoMPE/SARsection)
Beamwidth Applicationspecific
Returnloss >=10dBrecommendedforbestperformance
Inputpowerrating >=2Wpeak,0.25Waverage
Isolation >15dBforAnt1andAnt2(maintodiversity)
FlexiZoneIndoorPicoBTSProductDescription AirInterface
Issue:01 DN09210454 19