Onwa KP-38A (high power version) with Class B+ AIS



A compact 5 inch GPS chart plotter with enhanced version Class B+ SO-TDMA AIS transceiver.

This is not the standard production Class B KP38A, but one with a higher power  V3.6 or KS10Class B+_AIS installed




2 in stock

KP38A 5 inch chart plotter

Perfect when space is at a premium – so much in one unit:

Multifunction GPS chart plotter

Latest enhanced Class B+ AIS unit installed

UK and Ireland K-chart installed – other areas available, can also use Navionics or C-Map

IP 65 water protection

Class B+ Technology

  • SOTDMA technology – same technology as used by class A and guaranteed time slot allocation
  • 5 W transmission power
  • Increased transmission rate (based on speed)

AIS Features

  • Transmits and receives AIS messages and data from your vessel to class A, class B, AIS base station, AIS buoy (AtoN), AIS SART and vice versa
  • Onwa Marine AIS encrypted technology
  • CPA and TCPA alarms: – these are user definable to activate whenever another vessel is computed to enter a safe zone that you set around your boat
  • Pop up alarm box when AIS rescue alarm (AIS SART or AIS MOB) is received

AIS Tracking Functions

  • Clear overlay of AIS targets on the mapping system (plotter screen mode)
  • AIS target information is shown when the cursor is pointing at an AIS target
  • Optional selection of displaying the name of all AIS targets in real time

AIS Messaging

  • Can send and receive composed messages between ONWA AIS plotters
  • Messages can be broadcasted or can be sent to a specific MMSI no.
  • Message history and number of unread messages can be viewed when a contact is selected
  • Pop up box for incoming message alert


  • Track fishing boats and small commercial vessels with AIS class B type transeivers across the globe
  • Can send standard AIS message and exactTrax message
  • ONWO AIS can connect other sensors to the AIS module such as ultrosonic weather sensor and speed log, to send with exactTrax message
  • In order to use exactTrax, user must avail ExactEarth service

Air Track Recording

  • Ability to record tracks of AIS targets – auto and manual AIS saved tracks
  • Recorded tracks are useful when checking the records during an accident
  • Recorded AIS tracks can be reviewed and displayed in the plotter screen

Optional Accessory

  • External GPS with 10 metres cable & adaptor BNC to SMA



  • Glomex RA111AIS 162mHz aerial (specifically tuned to AIS frequencies. Stubby/flexible, comes with stainless mount for pole or surface fitting.





2 in stock

error: copyright 2023