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New Release!!! 1000 User Mobile Intercom Systems ISM1600H3:

We are  introducing wireless, ISM BAND 900Mhz private mobile Intercom systems, which works in world open band (Please note: this is not normal mobile frequency or not any mobile band). It is just like an ordinary mobile phone handset 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 mobile network. Expandable up to 1000 handset any time. Also compactable with our 900Mhz Land phone model wireless Intercom. You can dial and communicate between Mobile handset or our Land phone  up to  1000 extensions.  No need any Installation, Just charge battery about 2-3 hours and use.  Each of the handset will have dialing facility for numbers like 1~ 999999999 (up to 9 digit). It works just like normal mobile telephone. And also you can change/program the numbers as your requirement.  Hear the dial tone by pressing “Talk” (Green) button in 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 press “Green” button (Talk) in the hand set, or Lifting handset (If Land phone model) 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 About 4Km 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

 Ideal 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.

Mobile Intercom Handset
Mobile Intercom


Price for 50~300m model each Mobile handset Rs 3,500.00, USD 70.00

Price for 150~1000m model each Mobile handset Rs 4,999.00, USD 90.00  

Working Range (India INR Payment)

Brochure download | Manual download YouTube:


■  900Mhz ISM Band Wireless Mobile handset up to 1000 user ■  No PBX Box ■ No Central Exchange ■  No Mobile tower required ■  No SIM Card ■  No  Subscription ■   No Rental ■ No any Wire ■  Long Range- 300m ~ 1Km ■  Encrypted Adaptive Frequency Hopping Technology ■ Super Anti-Jamming Capability ■ Full Duplex communication ■ Key Tone, Dial Tone, like normal  phone and Original 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 ■   High Quality Electronic Circuit ■  3.7V / 1000mAh Battery, but will work with out battery with adaptor   ■  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: 200kHz   ■ 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 300m / 1000m .
 ■ Power Supply: 90~250V
 ■ Battery 3.7V 1000mAh Li-Poly, 5 days Standby and 10 hours Talk time
 ■ Dimension 105 x 45 x 15 mm, Weight: 60gm
 ■ Operating Temperature : -20 ~ 70C ■ Humidity : 20 ~ 75%

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.