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Masters Communications
A leader in Analog, Digital, and IP Communications.
Test Equipment, Communications Systems & Solutions

79 Cochise Court
Palm Coast FL 32137
(814) 313-4036
USA













Notice - International Customers!
I can NOT ship to the countries listed in this link due to the current US Postal
Service suspensions.

Please read this ordering information before making a purchase - Foreign or
Domestic.








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Digital USB Sound Cards - USB Radio Interfaces, Mixers & Accessories
DRA Series  Sound Card and Mixer information, ordering and support for our
digital data compatible interfaces and accessories.
Low-cost high-quality digital data optimized USB sound cards and mixers.
Works with Winlink Express, VARA FM (all speeds) & VARA HF (all speeds)
SoundModem & HS SoundModem (packet - all speeds), ARDOP, Winmor, Pactor, FLDIGI,
and more!
MMSSTV*, FT4* & FT8* (*currently requires a VOX capable DRA).


DRA FAQ   Support for DRA Hardware and Digital Applications.


USB Analog Radio Adapter Interfaces & Accessories
RA Series  More information, ordering and support for our AllStar Link
compatible interfaces and accessories.
Original RA Series - Low-cost high-quality USB radio adapter interfaces that are
AllStar Link Compatible.



Analog Radio-Less Adapter Interface
RL-20   Inexpensive Radio-Less Adapter with COS indication.
Add a microphone and speaker to make a non RF based appliance to talk on the
AllStar Link system.
It provides for the lowest cost, but retains high quality and gives excellent
performance. Works as a very inexpensive radio adapter interface too!


Audio Filters
FL-10 5-Pole Low-Pass Splatter/Ultrasonic Audio Filter.
PLF-15 5-Pole CTCSS Reject Audio Filter.


Crystal Heater
CH-25 Crystal Heater - an alternative to temperature compensation in Two-Way
Radio applications.


Communications Equipment
Ultimate FTDI - Serial (USB) to TTL Converter
Highly versitile FTDI-FT232RL based USB to TTL converter/adapter for radio
programming and much more.


DMR + Analog Multiplexer Interface
MUX-25 Analog (AllStar Link) & Digital Voice (DSTAR, DMR, DV) Multiplexer.


Tone Squelch (CTCSS) & Noise Squelch Products
Tone and Noise Squelch Products - Feature Comparison and Product Selection
Features and differences of the squelch products, and choose a product that best
suits your needs.


Audio Delay Line
SCOM® DADM
Designed for older SCOM and ICS repeater controllers, but also works as a
stand-alone squelch tail eliminator.


Passive Antenna Noise Reduction
Static Buster  Antenna Static Dissipation and Corona Discharge Device.


RF Preamplifiers
Choose from two different series - board only or enclosed metal case.



Return Loss Bridges & other Test Equipment
RLB1500 Commercial - Professional Return Loss Bridge and accessories. (**
Currently accepting orders **)
The RLB1500 is currently being built to order.

Bird Wattmeter Signal Sampler  An inexpensive RF sampler for Bird Model 43
Wattmeters.


Engineering and Solutions
Electronic circuit engineering.
Custom PC board design, layout, and manufacturing solutions.


Third Party Compatible Projects and Applications
MABEL is a AllStarLink hardware interface and software using the RA-35/40/42 and
SC-50 which allows analog control of the Yaesu DR-1X repeater. (Offsite Link)
Direwolf is a digital data software package that works with the DRA Series,
including CM119A GPIO support for PTT, operating as an AX.25 packet modem/TNC
and APRS encoder/decoder. (Offsite Link)
VARA FM and HF are Windows digital data programs that work with the DRA Series
radio adapters, including support for hardware PTT. (Offsite Link)
UZ7HO SoundModem and HS (high-speed) SoundModem are Windows digital packet
programs that work with the DRA Series radio adapters. (Offsite Link)
Fldigi is a digital data software package that works with the DRA Series,
including CM119A GPIO support for PTT. It has multiple operating modes. (Offsite
Link)

Digital Applications and Hardware Support Information
Go Here to visit our Digital Frequently Asked Questions and Applications Support
page.
 
 

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This web page, this web site, the information presented in and on its pages is ©
Copyrighted 1995 and (date of last update) by Kevin Custer and possibly other
originating authors.
All Rights Reserved, including that of paper and web publication elsewhere.

Page last modified 03/25/2024 02:13:51

European Union's General Data Protection Regulation Disclaimer:
We (Masters Communications) don't manipulate or sell any personal information to
others. We just use our customer's email addresses to send personal replies to
inquiries and orders.