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989A3 Video Door Phone For Wireless Communication Solutions

Features:

1.Adopted315MHZISMdigitalfrequency

2.synchronouslytransmitimagedataandvoicedata

3.fullduplexvoicemode

4.OutdoorunitwithCateyecamera,indoorunitwith2,4inchTFTdisplayscreen,clearimage

5.Maximumstorage10photoswithoutSDcard(sameas999Acase)

6.outdoorunitrequiressmall,delicate,withoutraincover(PCBshouldbeminimumasfaraspossible

7.Own433MHzlockmoduleinterface

8.Powersupply

Indoorunitvoltage:3.7v/1400mAlithiumbattery,USBchargingfunction(withchargingbase)

Outdoorunitvoltage:3.7v/1400mArechargeablelithiumbattery,withoutplug

9.Communicationdistancecanbeupto300matopenarea

10.Oneoutdoorunitcanworkwiththreeindoorunits(handsets)simultaneously

11.,handsetscanintercommunicate1.fullduplexvoicemode

1.fullduplexvoicemode

2.Withmonitorandinfrarednightversion

3.Handset:2.4inchTFTLCDscreen

4.Withvideofunction.Clearimage

5.Indoorunitwithtakingphotosandstoragefunction

6.handsethasthesamefunctionwiththehandsetof999A(insteadby315MHZmodule);outdoorunit:smaller than999Aandwithoutchargingcircuitandunlockcircuit