12-62-0000 VHF/UHF Transmitter
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12-62-0000 VHF/UHF Transmitter

148 - 164 MHz (VHF) or 427.5 - 475 MHz (UHF) 4 watt synthesized POCSAG paging transmitter with an in-built encoder.


The 12-62 Series transmitters are available as VHF and UHF units with user-programmable power outputs ranging from 50 milliwatts to 4 watts.  Using programming software, each model can be tuned across its full frequency range with no hardware adjustments.

They are capable of operating as NRZ or POCSAG transmitters. The built-in POCSAG encoder can be enabled or disabled as required.

In addition to a direct/RS232 buffered serial port, an on-board USB port enhances the range of applications to which the transmitter can be applied. Input/Output expansion is also possible via an internal.

The USB and RS232 ports can be used to initiate paging transmissions using the Salcom proprietary protocol, Paging Entry Protocol (PET) or Telocator Alphanumeric Protocol (TAP) PG1 protocol. These ports can be used concurrently making it possible to connect a telephone interface unit and still initiate paging transmissions via the USB port.

Four discrete inputs are supported which may be used to initiate relay commands for remote control applications.

For paging applications a different pre-programmed message can be assigned to an input on high and/or low transition. The unit also supports low voltage detection on the power input.

Configuration of the transmitter is performed via the USB port or the serial port using an intuitive  Salcom programming application which allows for the setting of all operational parameters.

The 12-62 is housed in an attractive, durable extruded aluminium case with provision on the base plate for wall mounting.

  • Supports NRZ and POCSAG Transmissions;
  • High VSWR tolerance;
  • Up to 100% duty cycle;
  • Direct/RS232 buffered serial port;
  • USB port;
  • Four discrete inputs;
  • POCSAG encoder (programmable on/off);
  • RF output through standard BNC termination;
  • Salcom, TAP/PET protocols;
  • 240 Character messaging;
  • Buffered messages;
  • Input timing control(watchdog);
  • Programmable de-bounce control;
  • NZS/AS4769, ETS 300 224 (EC), FCC Pt 90.203 approvals;
  • Rugged extruded aluminium case.


Technical Specification

12-62-0000 VHF/UHF Transmitter
Frequency Range 148 - 164MHz - VHF (Model No. 12-62-0150)
427.5 - 475MHz - UHF (Model No. 12-62-0450)
Frequency Selection User configurable
Power Supply +13.8V typical (11 to 15 VDC range)
Power Consumption Low Power Mode: 17.5mA
Standby: 40mA
Transmit: 1.2A @ 4W
Transmit Power 4W, 2W, 1W, 500mW, 250mW, 100mW, 50mW (5W on request)
Channel Spacing 5kHz, 6.25kHz, 10kHz, 12.5kHz, 25kHz
Modulation FSK with NRZ data
Deviation ±2.25kHz or ±4.5kHz
Transmit Duty Cycle 50%; Maximum 5 minutes on time
Baud Rates 512, 1200
Message Format POCSAG
Configuration Application 12-62 PSD
Programming Cable Mini USB
12-45-0000 (RJ12 to DB9)
Can be used with a USB to RS232 DB9 Serial Adapter Cable
Serial Port 9600 , N, 8, 1; RS232 / USB
Other serial protocols available on request
Serial Protocols Salcom; TAP (PET); TNPP; ESPA 4.4.4; Ascom; Gaming; Austco; Match; Gent; GPS & Pulse Count; SMS; 11-10; 12-36; 12-84
Discrete Inputs 4 (Ground activated)
Other I/O PTT In; PTT Out (50mA max); External Modulation (0 - 5V ±1V)
Connectors Serial Port (RS232) = RJ12 (6P6C)
Input / Outputs = RJ45 (8C)
Programming = mini USB 
Power Connector 2-way plug & socket, screw connections (supplied)
Environmental Protection Not suitable for outdoor use and should be protected from adverse environmental conditions
Operating Temperature -20ºC to +50ºC (-4ºF to +122ºF)

Power LED (Green)

   - Slow Flashing = Normal Operation

   - Rapid Flashing = Low Supply Voltage
Status LED (Red)

   - On = Transmitting

   - Flashing = Error Condition
Weight 316g
Enclosure Dimensions 100mm x 130mm x 30mm (WxDxH)
Enclosure Material Extruded aluminium
Colour Matt black
Type Approvals AS/NZS 4769.1:2000 + Amendment 1:2002 (RF)
EN 300-224-2 (RF)
FCC CFR47 Part 90 (RF) - UHF only (Model No. 12-62-0450)
EN 301 489-2 V2.1.0 (EMC)
EN 60950-1:2006 (Safety)


Product Brochure 12-62 Product Brochure
User Manual 12-62 Product Manual
Configuration Tool 12-62 Configuration Tool

Configuration Tool

For all units supplied after May 22nd 2018, the PSD you will
need to configure your 12-62 transmitter can be found here:

12-62 Configuration Tool (Post 22/5/2018)

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