Two-Way Radio Communications and Electronics Specialists



 Vertex Standard Portable Two-Way Radio Selector Page Portables
 Vertex Standard Mobile Two-Way Radio Selector Page Mobiles
 Vertex Standard Repeater Selector Page Repeaters
 Vertex Standard System 600 and VX-1210 HF SSB Radios HF SSB
 Vertex Standard Product Line Photo and Links OptionAcc
 Vertex Standard Two-Way Radio Communications Product Line Photo Vertex
 Two-Way Radio Repair Page Repair
 Yeasu/Vertex Standard Antenna Rotators Rotators
 Vertex Standard VX-Trunk System VX-Trunk
 Vertex Standard Specials and New Products SPECIALS
 Vertex Standard Lowest Price Page LowPrice

 Midland Portable Two-Way Radio Selector Page Portables
 Midland Mobile Two-Way Radio Selector Page Mobiles
 Midland Repeater and Base Station Two-Way Radio Selector Page Base/Rptr

 Maxon Legacy Portable Two-Way Radio Selector Page - Topaz Portables
 Maxon Legacy Mobile Two-Way Radio Selector Page - Topaz Mobiles
 Maxon Repeater Selector Page - Topaz Repeaters
 Maxon Base Station Selector Page - Topaz Bases
 Maxon Legacy Midland RF Data Link Selector Page - Topaz Data
 Radio Selection and Applications Help Page for Maxon, Legacy ProLine, TrueTalk and Midland - Topaz3 Radio Help

 Austin Antenna Products and Information Austin
 Comtelco Two-Way Antenna Products Comtelco


 SCA, Inc. Shimwa  Sceptar UHF/VHF Tone Pager  Sceptar UV
 SCA, Inc. Shimwa  ALPS VHFL Low Band Tone Pager  ALPS VHFL
 Pager Repair Page Repair


 Police/Fire/EMS/Public Safety - Scanner Selector Uniden
 Scanner and Monitor Radio Antenna Information Antennas
 Scanner Repair Information Repair
 Scanner Frequency Selector Page - Scanner Frequencies ScanFreqs
 Scanner Frequency Links Page Links


 CB Radio Selector Page Uniden
 Ranger Communications CB & Amateur Radio Selector Page Wilson
 CB Radio Repair Page Repair
 CB Radio Tune Up / Alignment Page / Peak Tune-Up
 CB & Amateur Radio Antenna Selector Page Antennas
 CB Radio Accessories Selector Page Parts/Acc

 Wilson Antenna Selector Page Antennas
 Wilson Antenna Replacement Parts and Accessories Parts/Acc
 Francis CB antennas Selector Page Francis


 Multec Communications / - How to Order Page FAQs
 Multec Communications / - How to Order Page Ordering
 Multec Communications / Contact
 Multec Communications / - Friends & Members Links Page Links
 Multec Communications / - Table of Contents Contents
 Multec Communications / - Search Page SEARCH
 Multec Communications / - Misc and Used Page Misc/Used
 Multec Communications / - Terms and Conditions Returns
 Multec Communications / - Terms and Conditions TermsCond

Vertex Standard
Trunking System     

VX-Trunk III



Subscriber Database Programming
Number of subscribers  Up to 1,100. Type User friendly - menu driven.
Call record database Holds up to 1800 call records per channel.
Local programming RS-232 serial port at 2400 Baud.
Output Programmable to serial port printer. Remote programming 1200 Baud modem.
Software required Any general communications
Time-date stamp Recorded by internal real time clock.
Mobile activity timer 1-255 seconds.
Call record Contains subscriber number, time/date, number dialed, call duration, call type. Mobile answer timer 1-255 seconds.
Custom log-on message Up to 20 characters.
Password  6 digits.
Emergency telephone # Up to 15 digits.
Configuration file Can upload or download. Station I.D. Up to 20 characters.
  Other Specifications
Programmable Subscriber Features Call types  1. Mobile to landline.
Subscriber ID number 1 to 5 digits in length.   2. Landline to mobile.
Subscriber paging code High speed DTMF signaling.   3. Mobile to mobile.
  4. Group call.
Call limit timer 2.5 to 55 minutes per subscriber.   5. Operator/emergency call.
Telephone line access Line 1 or line 1 and 2 per subscriber.   6. Priority call.
  7. Fleet/Dispatch call.
Modes Half duplex, full duplex, group call. Data retention EEPROM and internal battery back-up.
  Front panel indicators Power, Carrier, Transmit, Connect, Telco
Signaling Specifications  
Paging codes High Speed DTMF (VX Trunk I)
Digital BPSK (VX Trunk II, III).
Rear panel connector DB-9 Serial Port, 14 position terminal block, 2 RJ11-C, Telephone lines.
Busy channel indicator CTCSS tone or carrier. Power 10VDC to 20VDC @ 200mA.
Radio Interface Temperature -25C to +65C.
PTT  2 form C relay contact. Size 19.0" x 6.25" x 1.75" rack mountable.
Transmit audio 0-3.0V pk-pk adjustable.  
CTCSS output 0-3.0V pk-pk adjustable. *specifications subject to change without notice
Receiver audio 25mV to 3.0V
Squelch Internal squelch circuit.
Telephone Interface
Interface type  Loop start (end to end).
Number of lines 2 telephone line inputs.
Connection Via RJ11-C modular.
Regeneration Dial pulse or DTMF
Call progress tones Ring back, busy, beep.
Protection  Lightning arrestors.
Telco decoding DTMF or rotary "dial click" detector.
Ringer equivalence 0.413 Ren.

PayPal Acceptance Mark

Visa, MasterCard, Discover and American Express Accepted

Our e-commerce system uses a XRamp
SSL Secure Site protected through

Terms & Conditions
Table of Contents

Copyright 2000-2018  Multec Communications / - All rights reserved. Do not duplicate without the express written consent of Multec Communications.
Shipping & Mail only - Note: returns require a RA# - see RETURNS  before shipping
Address...                      Note: warranty repairs only - see REPAIRS  before shipping

Multec Communications
319 Centre Ave.  #166
Rockland, MA  U.S.A.   02370-2613
781 294-4992 main
781 527-5004 fax (include return email w/fax)

Main 781 294-4992
- calling hours 2-5 EST  Monday-Friday for questions and tech support only...."Out of Area", "Restricted" and "Private Caller" calls may be blocked to avoid phone spam. Note: The main line is often very busy and voice mail is not available. Please place orders online using our secure e-commerce system. Save time...order online!

If you have questions about ordering please see  ordering information page  first. Phone orders slow processing time, increase inaccuracies and are not recommended.

Email questions or comments at - Email

Note: Not responsible for typographical, photographic or pricing errors.
         All pricing and specifications subject to change without notice.