Comm Radio CR1
Specifications

 

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