P.O.Box 1108, MORLEY, 6062, Western Australia
Tel: +61 8 9370 5533 Fax: +61 8 9467 6146
VoIP - sip:937055@au.voxalot.com
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SC51 - Selcall/Telcall/GPS internal module
Add Selcall, Telcall and GPS position reporting
to almost any HF radio!
(use for Automatic Vehicle Location or Tracking with suitable software)
NOW WITH 10 STORED MEMORY CALLING FEATURE
The latest SC51 software version adds 10 memory locations for storing those commonly used Selcall or Telcall numbers. Call a number by pressing just three keys on the keypad! Pressing (for example) 3 # # will call the number (selcall or telcall) stored in memory location 3. Numbers can be easily added, deleted or called.
With the SC51 installed in your mobiles you will be able to carry out vehicle tracking and location using your existing HF network. A base station radio that is capable of receiving the GPS information is required. A suitable base radio is the Barrett 950 and a PC running the Internav software.
When connected to suitable radios the SC51 can also control channel scanning and audio muting while providing outputs for driving alarm relays as well as audio alarms.
SC51 - Available selcall types
Selcall type |
Barrett |
Codan |
Icom |
Jenal |
Selcall - Transmit and Receive |
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Telcall - Transmit and Receive |
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Beacon Request - Transmit and Receive |
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End of Call (Hang-up) - Transmit only |
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GPS Position Report - Transmit only |
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GPS Emergency Location call - Transmit only |
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GPS Position Request - Receive only |
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Remote Radio Kill - Receive only |
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Remote Radio Un-Kill - Receive only* |
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* The SC51 can be Un-Killled by entering the Un-Kill Code on a DTMF keypad microphone connected to the SC51. When Killed the SC51 will inhibit it's PTT circuit while switching the Mute circuit on, thereby making the radio unable to transmit or receive.
Note: the SC51 requires an external GPS receiver unit to obtain the position
data. The GPS data is extracted from the "RMC" sentence and the data
must be in NMEA-0183 format using either TTL or RS-232 signalling at 1200, 2400,
4800 or 9600 bits per second.
The SC51 is easily programmed with a PC or a laptop via the GPS data port. Simply
pressing the radio's PTT button while powering on will initiate the SC51 programming
mode (at 4800 bps serial data).
Once in programming mode the SC51 can be configured by using the freely available
programming software. Click HERE for a
screen shot. See the manual for more details.
All interfacing to the radio circuitry is through a 16 way ribbon (0.1in) cable
while the GPS interface is connected through a 10 way ribbon (0.1in) cable which
can be be taken directly to a 9 way D connector (ribbon cable type).
Click here for radio modification details
Click here for SC51 manuals
Specifications
| Size: | 2in (51mm) x 2in (51mm) |
| Power: | 6 vDC to 14vDC at approx 30mA |
| Programming: | With a PC via GPS data port (at 4800 baud) |
| Functions Available: |
Mute Open/Close |
| Outputs Available: | Called LED Voice PTT (Active Low) Selcall PTT (Active Low) Scan Stop Scan Pulse Mute Transmit Audio and Alarm Audio. Open collector transistor available for Latched Alarm and Horn Alarm Outputs (30V 100 mA max, active low). |
| Interoperability: |
Key Pad Programmable Encode |
For pricing and additional information:
