
Packet Communicator
The Kantronics KPC-3+ and the KPC-9612+ are
engineered for dependable and versatile digital
communications. These units reflect many years
of Kantronics experience and are built with an
eye toward emerging applications. The KPC-3+
can fill a variety of roles, including basic packet,
GPS/APRS™, and telemetry. The
KPC-3+/KPC-9612+ FEATURES:
KPC-9612+ is a multi-port, multi-speed data
controller capable of over the air speeds up to
38.4 kbps. In use around the world, Kantronics
Packet Communicators set the standard by
which others are measured!
“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.
NEW Remote Control and telemetry
functions with two A/D inputs and two
control line outputs.
HC11 Motorola central processor.
Digital audio drive control, set from keyboard
or remote control.
Low current requirements
9-V 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.
Upgradeable as new firmware is released.
“Online” HELP feature
128 k memory standard; 512 k optional
Comes with data connector, data wire, coaxial
power plug, detailed manual, software
Use with base, mobile or hand-held radios.
KPC-9612+ ADDITIONAL FEATURES:
Dual Port 1200/9600 bps operation standard.
Port 1 supports 1200 bps
www.kantronics.com
KPC-9612+
KPC-3+
Port 2 supports 4800, 9600, 19,200,
38,400 bps with DFSK modulation
Multiple user mailbox flashes Mail lamp
for up to 10 call signs

SPECIFICATIONS – KANTRONICS KPC-3+
SPECIFICATIONS – KANTRONICS KPC-9612+
Dimensions (HWD) 0.8” x 5.2” x 5.2” or 21 mm x 133 mm x 133
mm (w/o projections)
Weight 11 oz or 0.32 kg
Power Requirements 6 V dc ~ 25 V dc, less than 30 mA
(LEDs on, unit active) 6 V dc ~ 25 V dc,
less than 15 mA (LEDs off, unit inactive)
Plug Coaxial, center pin positive 2.1 mm
Internal Circuit Board accommodates user installed 9-V
battery connector
Connection Ports DB-9 female (radio)
DB-25 female (computer/data terminal)
Watchdog timer 2.5 min (approx)
External Carrier Detect Pulldown to ground
A/D Converter Two inputs; 0 ~ 5 V dc 8-bit accuracy
Data Rate 1200 bps (recommended); 300, 400, 600
PTT Output Open drain, +50 V dc max, 200 mA max
Audio Output Continuously adjustable 1 mv p-p – 4 v p-p
Output impedance 600 W, ac coupled
Modulation 1200 bps FSK full duplex CCITT V.23
1300 Hz/2100 Hz
Audio Input
Sensitivity 5 mV p-p
Dynamic Range 70 dB
Input Impedance Unbalanced, 10K W; 600 W with
Jumper J3 installed
Max input voltage ± 12 V dc; 35 V p-p sinusoidal
Operating Modes Packet, WeFax, KISS, XKISS, HOST,
GPS, MODEM
LED Indicators Power, Xmit, Rcv, Connected, Status, Mail
(user option on/off)
Remote Control Access External Reset
Operating Protocols AX.25 Levels 1 and 2 (user selectable)
Compliance FCC Class B; Europe – CE Conformity
KPC-3+/KPC-9612+ Applications Include:
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)
Multi frequency “node stacking” capability
(with K-Net™ firmware)
BBS operations and message forwarding
GPS positioning transmitting and tracking
(NMEA-0183 data required)
Data storage and retrieval
EMWIN Weather Information (additional software required)
Dimensions (HWD) 0.8” x 6.7” x 6.9” or 20 mm x 170 mm x 175 mm
(w/o projections)
Weight 18 oz. or 0.5 kg (approx)
Power Requirements 5.5 V dc ~ 25 V dc, 45 mA (LEDs on, unit active)
Plug Coaxial, center pin positive 2.1 mm
Internal Circuit Board accommodates user installed 9-V
battery connector
External DB-9 female (radio port 1);
DB-15 female (radio port 2)
Connection Ports DB-25 female (computer/data terminal)
Watchdog timer 3 min (port 1), 40 s (port 2) (approx.)
External Carrier Detect Pulldown to ground
A/D Converter Two inputs; 0 ~ 5 V dc 8-bit accuracy Z in = 20 kW
Data Rate Port 1 4800, 9600, 19,200, 38,400 bps
PTT Output Open drain, +50 V dc max, 200 mA max
Audio Output Port 1 Continuously adjustable 1 mv p-p ~ 4 v p-p
Audio Output Port 2 2 mV p-p ~ (J20) off; 80 mV p-p (J20 on)
Output Impedance 600 W, ac coupled (port1):
600 W, ac or dc coupled (port2)
Modulation Port 1 1200 bps FSK full duplex CCITT V.23
1300 Hz/2100 Hz
Modulation Port 2 Gaussian Filtered DFSK with normal
bandwidth of 0.3, 0.5 or full Duplex
4800, 9600, 19,200, 38,400 bps
Audio Input
Sensitivity Port 1 5 mV p-p ~ 35 V p-p
Sensitivity Port 2 Low: 15 mV ~ 200 mv p-p (J 16 on);
High 80 mV ~ 2 V p-p (J20 on)
Dynamic Range Port 1: >70 dB; Port 2: >20 dB (either range)
Input Impedance Unbalanced, 10 kW,
600 W with Jumper J3 installed
Max Input voltage Port 1: ± 12 V dc; 35 V p-p; Port 2:
± 25 V dc 25 V p-p
Equalization Port 1: None or Fixed; Port 2; Variable,
Software controlled
RX S/N 0~3 V dc (Zout = 2.2 kW)
Operating Modes Packet, WeFax, KISS, XKISS, Host, GPS, Paging, Modem
LED Indicators Power, Xmit, Rcv, Connected, Status, Mail
Remote Control Access All controller functions, user defined password
External Reset Pulldown to ground
Operating Protocols AX.25 version 1 and 2 (user selectable)
Compliance FCC Class B; Europe CE – Conformity
Additional KPC-9612+ Applications:
Send and receive files
Send and receive paging signals (POCSAG 512, 1200, 2400)
1200<>9600 gateway
You can carry a KPC-3+ into the field as a GPS mobile “tracker” or as a mobile data terminal. Its flexible power requirements
(6 - 25 V dc) allow for maximum versatility. You can achieve many hours of use by installing a 9-V battery inside the
KPC-3+. Battery life can be extended by disabling the LED displays through a simple keyboard command.
1202 East 23rd Street | Lawrence, KS 66046 | www.kantronics.com
tel: 785.842.7745 | fax: 785.842.2031 | sales@kantronics.com
Specifications subject to change without notice or obligation. APRS is a registered trademark of Bob Bruninga, WB4APR. All registered trademarks remain the property of their respective owners.
Authorized
Dealer