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New Release!!! Wireless Multi Channel Door Phone systems ISM1600H4DP:

 We are introducing 900Mhz ISM Band which is world open band wireless Intercom system. You can dial and communicate between all extensions up to 1000 intercoms. Each of the intercoms have one, two or three digits number like 1,23,- - 999. You can easily use as normal telephone. For using lift hand set, hear the dial tone and dial required intercom number, then dialed intercom will ring and also you can hear the ring back tone, when the person lift the hand set, you can communicate each other. This wireless intercoms using Encrypted Automatic Frequency Hopping Technology. So that they have super Anti-Jamming capability and nobody can't tap your communication. And also you can communicate up to 250 person at a time without cross taking or mingling.
Range up to 300M without any cabling in open area. It will work up to 100 floor apartment with external antenna. We have also 1000M range model on request. Battery backup facility also available on request. 

Ideal for :
Apartment flats, Multistory house, Hotels, School/College, Villas, apt, , 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.

Brochure download |  Manual download | ■ Youtube:

■  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 ■  4Km 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 ■ World wide universal mini USB adapter usable ■ 1.5W Audio out for external speaker application ■  High Quality Electronic Circuit ■ 3.7V / 1000mAh Battery  ■ One Year Warrantee ■ Door Phone model also Available

ISM1600H4 Range 70~400m. Each Intercom Price: Rs 3,850.00 / USD 72.00
ISM1600H4A Range 100~1000m. Each Intercom Price Rs 4,999.00 / USD 90.00 BUY NOW

And Also we have Power line based wireless Intercom system as below

Apartment Wireless Doorbell intercom Phone systems up to 1000 stations N62DP :
You can communicate between the Gate and house/Villa without any wiring. The main attraction of the multi Channel door phone system is that, you can use up to 1000 number of flats/houses or villas with one gate doorphone. You can dial 1/2/3 digits number from the Gate/Door unit and can communicate. For to make a call from the houses to the door station, just lift the handset. As the house phone have no inter-dialing facility, it is not possible to communicate between the house. You can also Lock/Unlock the main door/gate from each house/flats by pressing the button on the house phone (if equipped) Range up to 2KM. (only in rural area on same phase) If you are in different phase, you can use our Earth wire intercom system. or single core wire wired intercom systems.  And you can also plug the intercom to Dual phase 220VAC for avoiding phase problem in 110V region

Ideal for :
Multistory Building, Apartments, Multistory house, Lodges, Hospitals, Villas, Factories, etc.

Connection Diagram for ONE core wire model Door phone System

■ Water proof touch key button ■ Aluminum front panel ■ Expandable up to 1000 House phone ■ phone Works via 90~250V AC power line (Power line communication) ■ Ding Dong calling bell ■ FM technology, Wireless Doorbell Door Entry Intercom ■ Different channel and Different security code ■ Both way communication ■ Light weight hand set ■ No mechanical switch (hook switch) ■ Simple operation ■ Easy Installation ■ Wall - mountable

Price for Gate unit (Outdoor) Rs 2500.00, US$64.00. For each house phone (Indoor) Rs1050.00, US$26.00 Buy Now

Power line based Door Phone User Manual Download

Two station wireless Intercom

1000 user Mobile Intercom  

1000 User Desktop Wireless Intercom  

WirelessIntercom Call Dialing

Master slave intercom upto 1000 lines

Wireless Multi Channel Intercom

Car Vehicle Intercom System

Wireless Security Apartment Door Phone

Earth wire intercom


Mobile Handset Wireless Intercom ISM 1600H3

Technical information for ISM1600H4:

■ 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 400m or 1000m (LOS)
■ Battery 3.7V 1000mAh Li-Poly, 3 days Standby and 10 hours Talk time (Optional)
■ Dimension 220 x 95 x 85 mm, Weight: 350gm ■ Power Supply: 90V ~250V
■ Operating Temperature : -20 ~ 70C
■ Humidity : 20 ~ 75%

■ Youtube:

Contact Us:

PS Road, Azad Road, Kaloor, Kochi – 682017
Kerala, India
Phone: +91 9447034020, +91 484 2340209
WhatsApp : +91 9447034020,
Skype: thodukonics