The Kantronics KPC-9612+ is a versatile multi-port, multi-speed radio modem/TNC/data controller designed to fill many different roles, now and in the future. Capable of speeds up to 38.4 kbps, the KPC-9612+ opens a new era in user flexibility and customization.

Kantronics, LLC

KPC-9612+ Applications Include:

  • 'Keyboard to keyboard' communications
  • Send/Receive Files
  • Send/Receive Paging signals (POCSAG 512, 1200, 2400)
  • Digipeater
  • Personal Mail Box
  • Local area node
  • Remote control devices
  • Remote access
  • Node and Network node operations
  • BBS operations and message forwarding
  • GPS position transmitting and tracking (NMEA-0183 data required)
  • Data storage and retrieval
  • Weather facsimile reception (requires additional software)
  • EMWIN weather information (requires additional software)
  • 1200 <--> 9600 gateway operation

The KPC-9612+ can be used in 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 broad supply voltage range (DC 5.5 V to  25 V) allows for maximum flexibility.

KPC-9612+ Features

  • Dual port 1200/9600 bps operation, standard
  • Port 1 supports 1200 bps
  • Port 2 supports 4800, 9600, 19200, 38400 bps with DFSK modulation
  • "NEWUSER" mode provides a quick start for packet newcomers
  • Large capacity internal mailbox and mail forwarding feature
  • Multiple user mailbox flashes Mail lamp for up to 10 call signs
  • GPS operation mode allows use with APRS® or other geolocation software
  • Telemetry functions and Remote Control with two A/D inputs and two control line outputs
  • Paging transmit/receive capability -- POCSAG compatible
  • Faster HC11 Motorola® central processor
  • Digital audio drive control -- set from keyboard or by remote control
  • Low current requirements
  • Node and Network node functions standard "KA" Node and K-Net™
  • BBS, KISS, XKISS, HOST, TERMINAL, GPS and MODEM operating modes
  • Upgradeable as new firmware is released
  • "Online" HELP feature
  • 512K memory standard
  • Comes with data connector, data wire, coaxial power plug, detailed manual & basic software
  • Use with base, mobile or hand-held radios
  • Made in the USA -- Limited one year warranty to original purchaser

KPC-9612+ Specifications

Dimensions (H×W×D)0.8"×6.7"×6.9" (21 mm × 170 mm × 175 mm) without projections
Weight18 oz (0.5 kg) (approx.)
Power RequirementsDC 6 V to 25 V, < 45 mA (LEDs on, unit active)
Power Connector2.1mm coaxial, center pin positive
External Signal PortsDB-9 female (radio port 1) DB-15 female (radio port 2) USB type B (Computer)
Watchdog Timer3 minutes (radio port 1), 40 seconds (radio port 2) (approx)
External Carrier DetectPulldown to ground
Analog Measurement Inputs (A/D Converter) Two inputs; 0 V to +5 V, 8-bit accuracy, ZIN= 20 kOhm
PTT OutputOpen drain, max +50 V dc, 200 mA max
Radio Port 1
Data Rate1200 bps (default); 300, 400, 600
Modulation1200 bps FSK full duplex CCITT V.23 1300 Hz/2100 Hz
Audio Output LevelContinuously adjustable from 1 mV p-p to 4 V p-p
Output Impedance600 Ohm, AC coupled
Audio Input Sensitivity5 mV p-p
Input 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
EqualizationNone or Fixed
Radio Port 2
Data Rate4800, 9600, 19200, 38400 bps
ModulationGaussian Filtered DFSK with normal Bandwidths of 0.3, 0.5 or full
Audio Output Level2 mV p-p ~ 100 mV p-p (J 20 off) 80 mV p-p ~ 4 V p-p (J 20 on)
Output Impedance600 Ohm, AC or DC coupled
Audio Input Sensitivitylo: 15 mV ~ 200 mv p-p (J 16 on) hi: 80 mV ~ 2.0 V p-p
Input Dynamic Range>20 dB (either range)
Input ImpedanceUnbalanced, 10 kOhm (600 Ohm with jumper J 3 installed)
Max Audio Input Voltage±25 V dc; 25 V p-p sinusoidal
EqualizationVariable, Software controlled
RX S/N Quality Indicator0 V to 3 V dc (Zout= 2.2 kOhm)
Operating ModesPacket, KISS, XKISS, HOST, GPS, PAGING, MODEM
LED IndicatorsPower, Xmit, Rcv, Connected, Status, Mail (user option on/off)
Remote Control AccessAll controller functions, user-defined password
External ResetPulldown to ground
Operating ProtocolsAX.25 Levels 1 and 2 (user-selectable)
ComplianceFCC Class B

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.