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Second Hand Kantronics KPC-3+ TNC
Overview
The Kantronics KPC-3+ is engineered for dependable and versatile digital communications. This unit reflects many years of Kantronics experience and is built with an eye toward emerging applications. The KPC-3+ can fill a variety of roles. In use around the world, Kantronics Packet Communicators set the standard by which others are measured!
As a single-port radio modem/TNC compatible with the characteristics of UHF/VHF transmission bands, the KPC-3+ can be paired with a UHF/VHF radio to serve the following functions and applications:
“Keyboard to keyboard" communications
Digipeater
Personal Mail Box
Local area node
Remote control devices
Remote access of telemetry
Network node operation (requires optional K-Net™ firmware)
BBS operations and message forwarding
GPS position transmitting and tracking (requires external GPS receiver with NMEA-0183 data output)
Data storage and retrieval
EMWIN Weather Information (additional software required)
You can carry a KPC-3+ into the field with a radio to form a mobile data terminal, or (with the addition of an external GPS receiver) a GPS mobile "tracker". Its flexible power requirements (6 ~ 25 Vdc) allow for maximum versatility. You can achieve many hours of use by installing a 9 volt battery inside the KPC-3+. Battery life can be extended by disabling the LED displays through a simple keyboard command.
KPC-3+ Features
"NEWUSER" mode provides a quick start for packet newcomers
Large capacity internal mailbox and mail forwarding feature
GPS operation mode allows use with APRS® or other geolocation software
Remote Control and telemetry functions with two A/D inputs and two control line outputs
Low power requirements (9 volt battery power capability)
Network node functions with standard "KA" Node or optional K-Net™ firmware
Optional K-Net node network firmware retains regular TNC functions
BBS, KISS, XKISS, HOST, TERMINAL, GPS and MODEM operating modes
"Online" HELP feature
Upgradeable as new firmware is released
Digital control of audio drive level -- set from keyboard or by remote control
Motorola® HC11 central processor
128k memory standard; 512k optional
Comes with data connector, data wire, coaxial power plug, detailed manual & software
Usable with base, mobile or hand-held radios

Specifications
Dimensions (H×W×D): 21 × 133 × 133mm (without projections)
Weight : 0.32 kg
Power Requirements:
Voltage: DC 6 V to 25 V
Current:
< 30 mA (LEDs on, unit active)
< 15 mA (LEDs off, unit inactive)
External Power Connector: 2.1 mm coaxial, centre pin positive
Internal Power Connector: Circuit board accommodates user-installed 9V battery connector
External Signal Ports: DB-9 female (radio port)
DB-25 female: (computer/data terminal)
Watchdog Timer Period: approx. 2.5 minutes
External Carrier Detect: Pulldown to ground
Analogue Measurement Inputs (A/D Converter): Two inputs; 0 V to +5 V, 8-bit accuracy
Data Rate (radio port):1200 bps (default); 300, 400, 600
PTT Output: Open drain, max +50 V dc, max 200 mA
Audio Output Level: Continuously adjustable from 1 mV p-p to 4 V p-p
Audio Output Impedance: 600 Ohm, AC coupled
Modulation: 1200 bps FSK full duplex CCITT V.23
Audio Input: 1300 Hz/2100 Hz
Sensitivity: 5 mV p-p
Dynamic Range: 70 dB
Input Impedance: Unbalanced, 10 kohm
(600 Ohm with jumper J 3 installed)
Max Audio Input Voltage: ±12 V dc; 35 V p-p sinusoidal
Operating Modes: Packet, WEFAX, KISS, XKISS, HOST, GPS, MODEM (RX only)
LED Indicators: Power, Xmit, Rcv, Connected, Status, Mail
(user option on/off)
Remote Control Access: All controller functions, user-defined password
External Reset: Pulldown to ground
Operating Protocols: AX.25 Levels 1 and 2 (user-selectable)
Compliance: FCC Class B; Europe - CE Conformity
note: ** SECOND HAND ITEM ** 0% VAT.
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