Plug this new MFJ-1275Χ sound card interface between your transceiver and computer and enjoy operating all digital modes. Everything you need is included -- software, audio cables and power supply. The MFJ-1275Χ provides fully automatic operation with audio and push-to-talk control. It matches sound card audio, eliminates ground loops and provides microphone override. Works with all transceivers with 8-pin round. Operate PSK-31, packet, APRS, AMTOR, RTTY, SSTV, CW, high speed CW Meteor Scatter and many others. Also use as Contest Voice Keyer and CW Contest Memory Keyer.
Digital Modes or Normal Operation
Choose digital modes or normal transceiver/computer operation with the push of a switch. Selecting the ON digital mode, all connections are made between your rig and computer for instant digital operation. n the BYPASS normal mode, your transceiver and computer connections are restored for their normal operation.
Audio Isolation Transformers
Audio isolation transformers and relay eliminate ground loops, audio hum, noise and distortion.
More Impressive Features
Serial Port: -- lets computer control your radio to override and/or interrupt digital transmissions
VOX Control: -- lets you use automatic VOX control when not using computer serial port control
Level Controls: -- for transmitter drive and for receiver-to-sound card drive level. No need to adjust microphone gain or sound card level when you change modes.
Stereo or Mono Audio Input: -- A front panel switch selects left, right, or both sound card audio outputs channels to accommodate various programs.
Off-The-Air Recording: -- for replaying or for use with spectrum analyzer programs