Now we proudly introducing 900MHz Desktop wireless intercom ISM1600H4 and it compactable with our Mobile Intercom ISM1600H4. Working Range 70m - 400m without any cabling. More powerfull than Our 2.4Ghz Wireless Intercom. And do not require any mobile tower , central exchange , PBX box , central box. But it will simply work as Fully wireless Intercom. Expandable up to 1000 Intercom any time. This Desktop model intercom is compactable with our Mobile Model Intercom ISM1600H3. Battery Backup availabe on Request (Rs250/-) . Ideal for : Hotels,Villas Apartments Door Phone, Apartment flats, School, College, Multistory Building, Lodges, Works site, Hospitals, Banks, Factories, with in Ship, Cruiser, with in Vehicles, Houses, etc. ...Please Note: Price quoted for one Phone. Minimum TWO phone required for working. ? Youtube: https://youtu.be/K2V-gapp7p4Type: CordedWith Speaker PhoneDisplay Size: 0 inch: 1Type: Corded PhoneModel Name: 1000 user wireless IntercomBluetooth: NoExpansion Handsets: 1000 HandsetsHeadset Jack: NoNumber of Polyphonic Ringtones: 3 Polyphonic RingtonesDownloadable Ringtones: NoCall Transfer: NoCall Recording: NoAutomatic Redial: YesSpeed Dialing: Speed DiallingConference Calls: NoOther Call Features: Paging, Manual Call Rejection, 900Mhz ISM Band Wireless Intercom ISM1600H4 up to 1000 user900Mhz ISM Band Wireless Intercom ISM1600H4 up to 1000 user, Long Distance coverage: 70m - 400m, Compactable With our 900Mhz Mobile Intercom ISM1600H3, Youtube: https://youtu.be/K2V-gapp7p4, It is working like a smart Walkie Talkie. But no push to talk required by your self. It will automatically push to talk the rate of 100 time per Second. So that you feel full duplex communication. And also Transmission and Reception ratio is only 1:5 (compression technic) so that very low power consumption. and also we using Dynamic transmission power selection so transmission power depends on communication range. Each phone they have reprogrammable 1 to 9 digit numberDisplay: 0 inch no DisplayDisplay Type: no DisplayNumber of Display Lines: 0 Display LinesMissed Call Notification: NoKeypad: Touch KeyNavigation Keys: NoNew Voicemail Indication: NoNew Message Indication: NoPersonalized SMS Inbox: NoEmail Alert: NoPIN Protection: YesSpeech Transmission Encryption: YesPower Failure Protection: YesUSB Charging Port: NoOther Power Features: Power Failure Data Backup
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