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RigExpert WTI-1 Wireless Transceiver Interface

Connect your transceiver to the Internet via a Wi-Fi network. Use your laptop to operate phone, CW or digital modes from anywhere in the world!

To connect the WTI-1 to your transceiver, you will need a special cable. Fortunately, pre-built cables for many transceivers are available. Moreover, you may construct a cable yourself, using the diagrams published on RigExpert's Website.

Please make sure to update your WTI-1 to the latest firmware and use the latest version of the ShackLink software on your PC.

RigExpert WTI-1 is a revolutionary new device to interface your transceiver to your computer wirelessly.

It provides:

  • Transceiver audio interface

Analog audio interface is a connection to transceiver audio output (external speaker connector or line output) and transceiver audio input (microphone connector or line input). Audio interface enables operating digital modes, recording and playing voice, as well as other useful functions (such as measuring levels of a signal from the air) by using a computer.You may use a conventional headset on your computer to operate voice modes. A virtual sound card drives is provided to support operating digital modes.

  • CAT interface for various transceiver models

CAT (Computer Aided Transceiver) system provides control of transceiver frequency, operating mode and other functions by computer software. Normally, modern transceivers have serial (with various signal levels) link providing CAT interface.In RigExpert WTI-1, CAT interface port is seen as a COM port by computer software.

  • FSK output

FSK (Frequency Shift Keying) is a popular method of transmitting digital messages over radio primarily used in radioteletype (RTTY) mode. Most transceivers provide FSK modulator feature to make the RTTY signal stable and clear.A separate COM port is assigned for the FSK output when using RigExpert WTI-1.

  • PTT and CW output functions

Transceivers provide PTT (Push To Talk) and CW (Continuous Wave) keyer inputs to allow setting the transmitter on or off and operating CW using external device (PTT pedal, CW bug or paddle, terminal node controller, or personal computer).In RigExpert WTI-1, PTT and CW outputs are assigned to the RTS and DTR lines of a separate COM port. In addition, the user may press the PTT button on the screen to activate transmission.

  • RS-485 port

You may connect external hardware, such as antenna relays, to the RS-485 port of the WTI-1 device. Multiple devices may be connected in parallel.A separate COM port is created in the system to support the RS-485 data exchange.

  • WinKey emulation – work in progress

To operate CW, you may use software which either directly manipulates the DTR line, or uses the WinKey protocol.A separate COM port is created in the system to support the WinKey data exchange.

RigExpert WTI-1  –  Specifications

General features
  • Transceiver audio interface for operating digital modes, voice recording and playback
  • CAT (Computer Aided Transceiver) system
  • FSK output
  • PTT and CW outputs
  • RS-485 port to connect external devices, such as antenna relays
  • WinKey emulation – work in progress
Initial configuration: direct connection to a PC
  • USB (Universal Serial Bus) connector
  • USB 1/2/3 compliant
  • Powered from the USB port
  • No USB drivers required
  • Windows 2000/XP/2003/Vista/7/8 (32- or 64-bit) operating system
Normal operation: local area network connection
  • 2.4 GHz Wi-Fi network, 802.11 b/g/n
  • Infrastructure mode; a wireless access point or a wireless router is required
  • Open of encrypted networks are supported
  • External power supply (9…15 V DC, max. 0.5 A) is required
  • Windows 2000/XP/2003/Vista/7/8 (32- or 64-bit) operating system on the operator’s computer
  • The virtual serial port, the virtual sound card and the controlling software is provided free of charge
Remote operation via Internet
  • ADSL or other high-speed Internet connection is required for remote operation
  • Static or dynamic IPV4 Internet addresses are supported at the transceiver side
  • The router should be set up to forward several UDP and TCP ports to the WTI-1
  • Any reasonably fast Internet connection at the operator side
Transceiver connection
  • Single 25-pin connector for transceiver cable
  • Various transceiver models supported
Audio interface
  • Insulated from digital nets
  • Maximum input/output amplitude is 1V
  • Input/output samplerate: 8 to 48 kHz
  • True 16-bit DAC/ADC used
CAT serial port
  • Baudrate: 300-115200 baud
  • Electrical compatibility: RS-232, CI-V, TTL or inverted-TTL (Yaesu, Icom, Kenwood, Ten-Tec, Elecraft and JRC transceivers)
PTT/CW outputs
  • PTT output: open collector and TTL-level
  • CW output: open collector
  • Maximum current is 500 mA
FSK output
  • Baudrate: 45-1200 baud
  • Open collector output
RS-485 port
  • Baudrate: 300-115200 baud
  • 3.5 mm, 3-pin audio connector

Dimensions: 12 x 8 x 3 cm

Weight: 0.3 kg

The RigExpert WTI-1 is made in Ukraine.

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Additional Resources:

pdf WTI-1 Quick Start Guide
pdf WTI-1 Manual
pdf ShackLink Software
pdf WTI-1 Sofware Setup Examples
pdf Operating via the Internet
pdf Software developer's documentation: Transceiver IP Link Protocol rev. 1

link Downloads for WTI-1
link Examples of Use
link Connection of External Devices

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