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Radio Modem/TNC

Kantronics' radio modems (also known as packet modems, since they are most frequently used in packet-based communication modes) convert radios (HF/VHF/UHF) into digital communications devices especially well suited for packet radio communications. Hook up an ordinary PC, a Kantronics radio modem, and your radio, and you can send and receive e-mail, transfer files, monitor remote operations, and use numerous other packet radio applications. Connect a GPS receiver to a Kantronics radio modem and a radio to create a location transmitter for tracking applications. Use the modem's A/D inputs to remotely sense critical conditions such as temperature, pressure, etc.

System diagram of site with radio modemAs shown in the diagram, a radio modem/TNC extracts digital data from the analog (received RF audio) signal of a radio. The digital data is then processed according to the modem's current mode and protocol. Successfully received data can be stored for later access, passed on to a local computer, or retransmitted to other sites, extending the range of a radio network. The radio modem also encodes and packetizes data from a local computer or GPS receiver (or analog sense inputs). Encoded packets are then sent to the radio for transmission, with the modem enabling the radio's transmit mode.

The TNC (Terminal Node Controller) capabilities in Kantronics radio modems enable you to "plug into" radio networks. With a Kantronics radio modem/TNC, your radio becomes a fully operational network node, able to communicate on virtually all popular protocols (see the table below). Set up a simple, efficient radio network with K-NET™ or connect to the Internet with TCP/IP.

Kantronics offers six models of Radio Modems/TNCs. The following table shows the features that differentiate the models:

Feature Selector Table:
 
Feature Set VHF/UHF Single Port VHF/UHF Dual PortVHF/UHF/HF
Basic KPC-3+ KPC-9612+  
Enhanced (includes
transparent modes
especially useful
in commercial
applications)
KWM-1200+ KWM-9612+ KAM-XL
Mobile Enhanced
(available with built-in
GPS module, voice
activated data burst,
and other enhancements
for mobile operation,
all in a compact new
form factor)
MT-1200    


If you need a radio modem with the radio built in, please see our Talon Data Radios.

 

Kantronics  •  14830 West 117th Street  •  Olathe, Kansas 66062
Phone (913) 839-1470  •  Fax (913) 839-8231  • 
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