12R SERIES 3D RADIO

OVERVIEW

The 12R Series 3D (Tri-Mode) Radio is the most recent and technological advanced addition to the 12R Series of locomotive radios. The 12R3D is a Tri-Mode Analog/Digital radio that is fully compliant with FCC mandated narrow band operation. Both conventional 25KHz and 12.5KHz analog bandwidths, as well as the 6.25KHz Ultra-Narrow (digital) bandwidth, are supported by simple channel configuration in software.

FEATURES

  • Single Case Aluminum Chassis
  • Robust 74/13V DC to DC converter.
  • Standard AAR Form/Fit/Function for easy upgrade of existing locomotive radios.
  • Large 16 character x 2 line LCD display.
  • Backlit display and keypads for dark cab operation.
  • Supports applications requiring single or dual Remote Head operation.
  • All radios are shipped configured to customer specifications and ready to use out of the boX
QR 12R3D Radio .png

specifications

Receiver

  • Sensitivity (Analog – 12dB SiNAD): .25uV
  • Selectivity (Analog): -80dB(W) / -75dB(N)
  • Spurious & Image Response: -90dB
  • Intermodulation: -75dB(W) / -75dB(N)
  • Audio - Front Speaker: 12 Watts
    • Remote Cab Speaker: 12 Watts
  • Audio Distortion: < 3%

general

  • AAR Standard Tray Mounting: YES
  • AAR Standard Electrical Interface: YES
  • Number of Channels: 640
  • Number of Frequencies: 512
  • Frequency Range: 136-174 MHz.
  • Frequency Stability: ±2PPM
  • Antenna Impedance: 50 ohms
  • Operating Modes (Modulation): Analog & Digital
  • Modulation Type: FM
  • Operating Bandwidths Analog: 25 KHz / 12.5 KHz
  • Operating Bandwidths Digital: 12.5 KHz / 6.25 KHz

Transmitter

  • RF Output Power (Watts): 10 – 50 (Adj.)
  • Spurious Output: -73 dB
  • FM Hum & Noise: 50dB(W) / 45dB(N)
  • Audio Distortion: < 2%
  • AAR Handset Mic. Sensitivity: .30VRMS (Adj.)