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Comm Radio CR1
Specifications

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Communications Receivers 

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CR1 Specifications

Frequency Coverage and Modes:

MW-HF: General Coverage: 500 kHz - 30.000 MHz

  • MW-HF: MDS:  nominal -125 dBm in 500 Hz Bandwidth
  • User Configurable Band Key:
    • Amateur Band Selections:        160 m – 10 m
    • International Broadcast Bands: 120 m – 11 m
  • AM-SSB-CW  manual or auto-mode selection (based on tuned frequency)
  • International Broadcasting: manual or auto-selection: AM - 5 kHz steps
  • Auto-Filter Width select with override: AM: 5, 7.5 kHz, 15 kHz - SSB: 1.8, 2.6 kHz - CW: 1 kHz - 500 Hz
  • Tuning Resolution (cursor control): 1 MHz  / 100 -10 - 1 kHz  / 100  - 10 Hz
  • LW: 150 - 500 kHz is included for experimental purposes. 

VHF-UHF General Frequency Coverage and Performance:

  • VHF: Continuous Coverage:   64.0 - 260.0 MHz
  • UHF: Continuous Coverage: 437.0 - 468.0 MHz
  • VHF Sensitivity   87.0 - 150.0 MHz: nominal - 90 to -  95 dBm for 12 dB SINAD, 15 kHz filter bandwidth (5 kHz deviation)
  • VHF Sensitivity 150.0 - 260.0 MHz: nominal - 95 to -105 dBm for 12 dB SINAD, 15 kHz filter bandwidth (5 kHz deviation)
  • UHF Sensitivity: nominal  -83 dBm to  -86 dBm for 12 dB SINAD, 15 kHz filter bandwidth (5 kHz deviation)
  • Standard frequency steps for each band
  • SCAN blocked on VHF/UHF to comply with FCC Part 15 rules (Declaration of Conformance)

VHF-UHF Band Plan:

  • FM Broadcast: 87.7 - 107.9 - Monaural - 7 kHz audio bandwidth
  • Aircraft Band: 108.000 - 136.975 MHz, AM auto-select -25 kHz channel steps
  • Amateur: 2 m, 1.25 m, 70 cm (upper portion starting @ 437.0 MHz). 
  • NBFM mode default with SSB-CW mode selects.
  • Marine & NOAA Weather Radio
  • Public Service: 137.0 - 225.0: 12.5 and 25 kHz steps. NBFM default.
  • FRS-GMRS 462 – 467 MHz, NBFM - 25 kHz Steps
  • Note: 6 m (54 MHz) is not available

Receiver Architecture

  • HF: Dual conversion (VHF-UHF: single conversion) with low-IF, I-Q digital sampling, 32-bit DSP with digital audio CODEC
  • DSP demodulation algorithms: DSB-AM, SSB, CW, WBFM, NBFM
  • User Selectable, DSP fixed bandwidth channel filtering selections

Audio System –  (Digital CODEC) 

  • Speaker Driver: 0.8 W into 8 Ohm load
  • Internal 2.5” diameter, mylar-cone communications grade speaker
  • External monaural speaker jack (3.5 mm stereo jack - back panel)
  • Headset Driver: 40 mW into 16 Ohms. (3.5 mm stereo jack - front panel)

Antenna Inputs

  • LW-MW-HF Port: 1000 Ohm – 3.5 mm jack (auto-detection)
  • LW-MW-HF Port: 50 Ohm – BNC (female)
  • VHF-UHF Port:    50 Ohm – BNC (female)

Display

  • 64 x 128 OLED Display with EMI-filtered lens
  • Readable outdoors (not in direct sunlight) and manually dimmable

Power Supplies

  • Power Jacks: Powered-USB and 6-18 VDC (2.1 x 5 mm diameter - center pin-positive)
  • Optional Internal Lithium-Ion rechargeable battery 6-8 hour capacity with full speaker volume. 10-12 hours for headset and normal speaker volume.
  • Both supply inputs automatically charge the optional internal battery with the CR-1 powered On and OFF.

Power Consumption

  • < 1.0 Watt Headset and normal speaker volume
  • < 1.6 Watt maximum - full speaker volume

USB Mini-B 2.0 Jack

  • Automatically charges internal battery while maintaining maximum USB power use < 2.5 Watts
  • Software updates via  'Dropbox' from CommRadio

Mechanical

  • Overall Size: 5.64” W x 2.43” H x 6.10” D (including knobs, jacks, feet)
  • Weight: 1 lb – 12 oz
  • Knobs: Machined Aluminum – Black Anodized
  • Front Panel: Machined Aluminum – Powder Coated – Black semi-gloss
  • Case: 20 Gauge Steel, Powder Coated – Black Crackle.

ESD Protection:  ESD Diodes: Antenna ports - Power Jacks - USB Port-Keys – Knobs


Copyright 2013 Universal Radio, Inc.