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Gazelle Quad Receiver System è un sistema ricevitore CW (Continuous Wave) modulare 3G/4G/5G ad alte prestazioni che utilizza un bus ad alta velocità contenente fino a 4 moduli ricevitori indipendenti che registrano simultaneamente l’energia RF necessaria per tracciare le mappe di copertura. Gazelle™ è progettato da zero per fornire moduli ricevitori sostituibili a caldo per l’installazione sul campo e include un ricevitore GPS satellitare/a 12 canali interno.
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Gazelle Quad Receiver System è un sistema ricevitore CW (Continuous Wave) modulare 3G/4G/5G ad alte prestazioni che utilizza un bus ad alta velocità contenente fino a 4 moduli ricevitori indipendenti che registrano simultaneamente l’energia RF necessaria per tracciare le mappe di copertura. Gazelle™ è progettato da zero per fornire moduli ricevitori sostituibili a caldo per l’installazione sul campo e include un ricevitore GPS satellitare/a 12 canali interno.
Gazelle supporta 120 MHz – 6000 MHz (solo CW) con le seguenti scelte di moduli disponibili. Sono disponibili anche bande personalizzate:
120 – 180 MHz, 6/12 kHz IF BW, passo 250 Hz
400 – 512 MHz, 6/12 kHz IF BW, passo 250 Hz
690 – 960 MHz, 6/12 kHz IF BW, passo 250 Hz
800 – 960 MHz, 12,5 / 25 kHz IF BW, passo 250 Hz
1700 – 220 MHz, 6/12 kHz IF BW, passo 250 Hz
2200 – 2700 MHz, 6/12 kHz IF BW, passo 250 Hz
3300 – 3800 MHz, 6/12 kHz IF BW, passo 250 Hz
Gli esclusivi ricevitori modulari ad alta velocità di Gazelle superano la media basata sulla distanza richiesta per soddisfare i criteri di media standard e 40 lambda essenziali per l’analisi critica della propagazione. Gazelle è un sistema di test a basso costo ideale per studi di guida avanzati pre-buildout per l’ottimizzazione delle reti WiMAX e LTE.
Caratteristiche:
| FREQUENCY RANGE: | 120 MHz – 6000 MHz (CW only)Stock sub-band receivers:
120 – 180 MHz, 12 / 6 kHz IF BW 400 – 500 MHz, 12 / 6 kHz IF BW 690 – 810 MHz, 12 / 6 kHz IF BW 810 – 960 MHz, 12 / 6 kHz IF BW |
| GENERAL SPECIFICATIONS: | |
| Frequency Resolution | 250 Hz |
| Frequency Accuracy | + 1.5 PPM internal reference, Aging + 1 PPM per year |
| Dual Conversion | 433 MHz first IF, 455 kHz second IF |
| IF Bandwidth | 4 KHz, 7.5 kHz, 10 KHz, 12 kHz, 15 kHz, 20 kHz, 25 KHz, 30 kHz(each receiver has 2 selectable IF filters) |
| Sensitivity | -120 dBm for SNR 5 dB and 12 kHz IF BW |
| Adjacent Channel Rejection | >45 dB |
| Stability | + 0.25 PPM from 0 to 50 degrees C |
| Phase Noise | 10 kHz offset -89 dBc typical100 kHz offset -115 dBc typical
1 MHz offset -125 dBc |
| Noise Figure | 7 dB typical for 12 kHz IF BW and 5 dB SNR |
| Image Rejection | 80 dB typical, 50 dB minimum |
| Adjacent Channel Rejection | 50 dB typical, 40 dB minimum |
| Measurement Range | -120 dBm to -30 dBm, 0.1 dB resolution |
| Accuracy | + 1 dB, -30 dBm to -105 dBm |
| + 1.5 dB, -106 dBm to -120 dBm | |
| RF Input | SMA 50 Ohms, 1.8:1 VSWR maximum |
| Maximum RF Input without damage | +13 dBm |
| LO Level at RF Input | -70 dBm maximum |
| Operating Temperature | -5 Degrees C to 45 Degrees C |
| Relative Humidity | Up to 90%, non-condensing |
| Remote Interface | USB, RJ-45 |
| GPS Receiver | Internal 12-Channel/Satellite differential GPS with navigation with active antenna |
| Power |
|
| Weight | 5 lbs. fully loaded |
| Dimensions | 4″ H x 10″ W x 12″ L |
| INCLUDED ACCESSORIES: | |
| Antenna | SMA (50 ohms) |
| DC Power Supply | 12 VDC @ 5 Amps |
| PC Software | Vista or Windows 7 |
| OPTIONS: | |
| Custom frequency bands available upon request | |
Does WallHound-Pro identify callers or their phone numbers?
No. WallHound-Pro is a passive RF cellular scanning receiver and deterrent that identifies cellphone activity (both standby mode and active modes) and alerts security personnel. It is a fixed wireless device used by security officers and personnel that require a NO WIRELESS security policy
How far away can I detect wireless devices?
Typical range varies based upon the device and if optional direction finding antennae are used. Bluetooth devices can be detected from about 50 to 100 feet away. Wi-Fi devices can be detected from about 100 to 150 feet away. Cellular devices can be detected about 125 to 250 feet away. These numbers vary even more depending upon RF interference, environment, line of site, placement/installation of unit.
Can I detect phones in standby mode?
WallHound-Pro can detect phones in the standby mode but keep in mind when a phone is ON in standby, it is not constantly transmitting. Phones register to the local cell tower/base stations at different intervals that the tower/carrier determines (could be every few seconds, minutes, and we have seen up to 20 minutes). When a phone registers, it is a short pulse of less than 1 second so the WallHound might only flash once and play the audio alert once instead of continually.
Can WallHound-Pro be networked to other devices or security systems?
WallHound does not contain any wired or wireless networking hardware such as an ethernet port but it does contain a USB port for firmware upgrades. This port is only accessible when the security key is used. WallHound-Pro also includes dry contacts that allow it to be triggered from other detection devices such as our SentryHound-Pro.
Gazelle Receiver Configuration
Gazelle Data Processing
Gazelle Data Collection Temporal
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+39 0863 1865635
+39 0863 1865635
