.jpg "Digital receiver “Cupol-DR”")
- Computer communication over RS232 or USB interfaces.
- High sensitivity and overloading.
- Frequency tuning with help of software.
- Built-in function of reception signal and interference level measurement.
- Radio ether listening feature be means built-in loud speaker.
- Threshold noise suppression control.
- Programming notifications filter.
- Built-in notifications flash memory.
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The digital receiver “Cupol-DR” is intended for using in a wireless data transmit system “Cupol”. It is used in a composition of the centralized supervisor console based on IBM compatible computer. Provides the antenna signal reception, signal demodulation, signal digital processing.
| Specifications | |
| Operating frequency range, MHz | 146…174 |
| Number of serviced frequency channels | 1 |
| Operation frequency tuning range, MHz | ±3 |
| Frequency step resolution, kHz | 25 |
| Receiver frequency deviation from nominal value, or less | 10*10-6 |
| Antenna connector type | UHF |
| Receiver sensitivity at the signal/noise ration 12 dB, µV, or less | 0.5 |
| Receiver selectivity in adjacent channel at the distance between channels 25 kHz, dB, not less | 80 |
| Receiver selectivity in side channels, dB, not less | 80 |
| Receiver intermodulation selectivity, dB,not less | 70 |
| Communication channel with computer | RS232, DSUB-25 connector |
| Communication channel speed, bps | 19200 |
| Communication protocol with computer | Hayes compatible |
| Receiver flash memory capacity | Up to 500 notifications from objects |
| Operating voltage, V | 10.5…14.4 |
| Current consumption, mA, or less | 200 |
| Dimensions, mm, approx | 255x220x70 |
| Weight, kg, approx | 1.4 |
