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New Release!!! 1000 Station Smart PABX Wireless Intercom systems ISM1600H4/A:

           We are  introducing wireless, ISM BAND 900Mhz Wireless Intercom systems, which works in world open band . It is just like an ordinary WLL phone but do not require any SIM card or subscription or rental. And do not require any mobile tower / central exchange / PBX box / central box.  But it will simply work as a private WLL network. Expandable up to 1000 phone any time. Also compactable with our 900Mhz Mobile wireless intercom model ISM1600H3. You can dial and communicate between intercom or our ISM1600H3 Mobile wireless intercom  up to  1000 extensions.  No need any Installation, Just plug to your 90~250V Power outlet and use.  Each of the phone will have dialing facility of numbers like 1~ 999999999 (up to 9 digit). It works just like normal Land telephone. And also you can change/program the numbers as your requirement.  Hear the dial tone by lifting the handset and dial required intercom number. Then you can hear the ring back tone, only if the dialed number is ringing and when the person Lifting handset or press “Green” button (Talk) (If mobile model ISM1600H3) you can communicate each other.  Or you can interrupt/stop ring from your handset and speak directly to receiver mobile handset  via speaker phone. This mobile handset model wireless intercom is using Encrypted Adaptive Frequency Hopping Technology. Hence it has super Anti-Jamming capability and also that nobody can’t tap your conversation. It is also possible for 250 people to communicate at a time without any  cross taking or mingling. It has a Range of about 300m / 1000m without any cabling and 5Km range with Yagi Antenna. Broadcasting facility also available for School /College application. Then principal can toggle Ring or broadcast his announcement to all class room or some selective class room at a time wirelessly.

deal for : Hotels, School/College, Villas, apt, Apartment flats, Multistory house, Multistory Building, Lodges, Works site, Hospitals, Banks, Factories, with in Ship, Cruiser, with in Vehicles, Houses to Shops, Houses to Offices, Shops to Godown etc.



ISM1600H4 Price for 50~400m model each handset Rs 3,850.00, USD 72.00
ISM1600H4A Price for 300~1000m model each handset Rs 4,850.00, USD 88.00
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Brochure download Manual download |  School Intercom Brochure

 900Mhz ISM Band Wireless Intercom up to 1000 Stations ■  Compactable with our 900Mhz Mobile model ISM1600H3 Wireless Intercom ■   No PBX Box No Central Exchange No Mobile tower required No SIM Card No  Subscription  No Rental No any Wire Long Range 300m / 1Km ■   5Km Range with YAGI Antenna Encrypted Adaptive Frequency Hopping Technology Super Anti-Jamming Capability Full Duplex communication Key Tone, Dial Tone, Ring Back Tone  facility for easy use  Broadcasting Facility Paging facility for direct announcement Selectable Ring Tone Light weight phone ■   1.5W Audio out for external speaker application(Optional) ■  High Quality Electronic Circuit 3.7V / 1000mAh Battery (Optional)   ■ One Year Warrantee Door Phone model also Available

Technical information:
■ World Open Band ISM 900Mhz ■ Regulation Compliance : FCC Part 15, Part 68
■ Number of channels: 100 and 2 slot per duplex Channels
■ Frequency range: 902Mhz to 928 MHz
■ Duplex procedure: Shock Burst TDMA
■ Channel spacing: 250kHz
■ Bit rate: 250 kbit/s
■ Modulation: Encrypted GMSK ■ Frequency Hopping 100/Se
■ RF Transmission Power: Approx. 50mW ~ 1000mW (Automatic)
■ Voice coding: Own CODEC Shock Burst ADC 8 kbit/s
■ Operating range up to 1000m.
■ Power Supply: 90V ~250V
■ Operating Temperature : -20 ~ 70C ■ Humidity : 20 ~ 75%

WhatsApp, Viber : +91 9447034020, Skype: thodukonics

Contact Us:


Azad Road, Kaloor, Kochi -682017

Kerala, India

Phone: +91 484 2340209

WhatsApp, Viber : +91 9447034020, Skype: thodukonics


Door Entry intercom, household power intercom, household electricity circuit intercom, AC power plug-in intercom, hotline wireless interphone or grid power intercom, wireless security intercoms, plug and play intercom, Car intercom system, apt doorbell, vehicle intercom systems available.