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KWM-1200+ Wireless Modem

  Features |  Specifications |  App Notes |  Accessories  

View/Download (PDF format):  KWM Brochure (198k)  KWM-1200+ Port Pinout (46k)
KPC-3+Manual (1976k)  KWM-1200+ Addendum to KPC-3+ Manual (PDF, 102k)

Overview

KWM-1200+ front view

Kantronics, a pioneer in wireless data communications, now offers the KWM-1200+ Single Port and the KWM-9612+ Multi Port High Speed wireless modems. Both are engineered for dependable and versatile digital communications in the commercial operating environment. Kantronics has developed the KWM units to meet the needs of today, with an eye toward emerging applications. Able to communicate in a variety of formats, including TCP/IP, LSUB and TUP, the KWM units are seamless and transparent radio link substitutes. KWM units can also operate as a data-operated switch (DOX). KWM units can fill a variety of roles. They are well made, engineered for dependability and low in cost. It's no wonder Kantronics units are in use around the world.

KWM-1200+ Applications Include:

  • "Keyboard to keyboard" communications
  • Digipeater (suitable for remote locations)
  • Electronic Mail Box
  • Local area node
  • Remote control devices
  • Remote access of telemetry data
  • BBS operations and message forwarding
  • GPS position transmitting and tracking (NMEA-0183 data required)
  • Data storage and retrieval
  • Send/Receive Files

The KWM-1200+ 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 6 ~ 25 V) allows for maximum flexibility.

KWM-1200+ Features

  • Remote Control and telemetry functions with two A/D inputs
    and two control line outputs
  • GPS operation mode allows use with geolocation software
    (when KWM-1200 is paired with NMEA-0183 compatible GPS receiver)
  • Large capacity internal mailbox supports multiple users
  • LSUB, TUP, POLL, AX.25, BBS, KISS, XKISS, HOST, TERMINAL, GPS and MODEM operating modes
  • "Online" HELP feature
  • Digital audio drive control -- set from keyboard or by remote control
  • Upgradeable as new firmware is released
  • Faster central processor
  • Low current requirements
  • 9 volt battery power capability
  • 512K RAM standard as of 2nd quarter 2011
  • Use with base, mobile or hand-held radios
  • Made in the USA -- Limited one year warranty to original purchaser

KWM-1200+ Specifications

VersionCommercial
Dimensions (H×W×D)0.8"×5.2"×5.2" (21 mm × 133 mm × 133 mm) (without projections)
Weight11 oz (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, center pin positive
Internal Power Connector Circuit board accommodates user-installed 9 V battery connector
External Signal Ports DB-9 female (radio port)
DB-25 female (computer/data terminal)
PTT Watchdog Timer Period approx. 2.5 minutes
Analog Measurement Inputs
(A/D Converter)
Two inputs; 0 V to +5 V, 8-bit accuracy
Radio Port 
Data Rate 1200 bps (default); 300, 400, 600
External Carrier Detect Pulldown to ground
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
    Output Impedance 600 Ohm, AC coupled
    Modulation 1200 bps FSK full duplex CCITT V.23 1300 Hz/2100 Hz
Audio Input: 
    Input Sensitivity 5 mV p-p
    Input Dynamic Range > 70 dB
    Input Impedance Unbalanced, 10 kOhm
(600 Ohm with jumper J 3 installed)
    Max Input Voltage ±12 V dc; 35 V p-p sinusoidal
General 
Operating Modes LSUB, TUP, AX.25, WEFAX, KISS, XKISS, HOST, GPS, MODEM, POLL
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

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.

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Phone (913) 839-1470  •  Fax (913) 839-8231  • 
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