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PASSIVE INTERMODULATION (PIM): Analysis & Optimization Services
Passive Intermodulation (PIM) has become new benchmark in determining the health of a cell site... Descriptively, 
Passive Inter-Modulation is an undesired, non-linear, signal energy generated as a bi-product of two or more carriers sharing the same down link path in wireless networks. Due to network hardware configurations, this multi carrier interaction can cause significant interference in the up-link receive band, which can lead to reduced receiver sensitivity. To the mobile phone user, this often translates to a loss in audio fidelity in conversations, decreased data speeds, or in extreme circumstances, dropped calls or an inability to make or receive calls or utilize data services. Since there is a mathematical correlation between the known carrier frequencies and the resultant interference signal in the receive band, accurate measurements of PIM signals can be achieved consistently. For practical PIM testing applications, we will only concern ourselves with those PIM signals which interfere directly with our network's receive band. Typically these PIM signals are:
5th order PIM, = 3 X F1 – 2 x F2
Since Passive Intermods cannot be mathematically modeled and cannot be simulated using today's engineering design tools, using a PIM analyzer is the only way to quantify it.
LaRoccaSolutions is proud to offer his specialized Engineers for PIM Site Optimization Service using CCI PIMPro Tester.
LaRoccaSolutions is Proud To Annonunce a New Partnership With Communications Components Inc. (CCI)
Communication Components Inc. is one of the fastest growing providers of base station enhancement products. CCI innovative products are designed to allow service providers to get the most out of their base station investments. Whether capacity expansion or coverage enhancement is the objective, CCI has the appropriate solution to meet the need. (Click Here To Find More Info)
As a leading provider of wireless basestation enhancement products, CCI set out to design and develop a reliable solution to system performance and enhancement challenges. PiMPro employs state-of-the-art technology and is built to meet the demands and needs of today's wireless suppliers.
Passive Intermodulation (PIM), the new benchmark in antenna system health, has become one of the greatest challenges of frequency planners
in today's mobile communication systems. System planners, equipment
and component vendors alike are faced with the ever changing dynamics
of higher transmit signals, basestation sensitivity and the nonlinear
response of two or more frequency signals causing serious interference
and network signal degradation. With the uncertainty of the root cause of
PIM in any given system, the need to deploy specifi c testing solutions in
a professional, reliable instrument has become paramount in maintaining
the overall antenna health for system providers.
PiMPro has been designed to meet these challenges. Its compact, portable yet rugged features provide maximum power in a reliable, fi eld proven design without compromising the accuracy and precision of intermodulation measurements.
By design, the PiMPro Precision Passive Intermod Analyzer provides precise measurement of the 3rd, 5th, 7th and 9th order of intermodulation of any system or component under high-power conditions. In addition to passive intermodulation measurements, the unit will provide VSWR and Return Loss values. PiMPro can be used to verify the integrity of individual passive components including connectors, cable assemblies, antennas, fi lters, making it an integral performance tool in the fi eld and in the lab.
Portable & Accurate Small Size PIM Tester
- Highest output power to weight ratio available - up to 40 Watts per tone output in a sub 35 lb portable carry-on size enclosure.
- Next Generation Design - Easy to use, touch screen graphical interface gets you up and running quickly
- Designed for harsh field environments
- Housed in a rugged, water-resistant, portable enclosure protected against field abuse.
- High accuracy and performance. -132 dBm PIM sensitivity at 40 Watts per tone --> PIM measurements as low as -178 dBc
- Multiple measurement modes - Instant PIM and Return Loss, PIM versus time, Frequency Sweep, Rx Interference
- Return Loss measurement feature allows quick detection of open cables
- Internal and external data storage
- Software updates via USB port
- Models for LTE, Cellular 850, PCS & AWS bands (Model 1921 is both PCS and AWS)
- Complete DIN 7/16 component accessory kit available.
- Competitively priced
NEW Security Product: PocketHound Cell Phone Detector
PocketHound™ Cell Phone Detector is Berkeley's Varitronics Systems' highly sensitive yet most easily concealed cell phone detector on the market. The receiver is specifically tuned to the RF signature of common cell phones (both U.S. & European bands) including PCS, CDMA / WCDMA (UMTS), GSM, EGSM Cellular bands. This breadth of band detection allows security personnel to locate any nearby cell phones in either standby mode* or during active voice, text or data RF transmissions making it the perfect tool for enforcing your NO WIRELESS security policy. PocketHound prevents wireless usage by detecting nearby (up to 100 feet indoors) cell phone use all from the user's pocket or in the palm of their hand. PocketHound alerts the user to any cell phone activity with custom sequences of bright LED flashing (adjustable dimmer) and also provides vibration for completely covert, in-pocket detection.
*Standby mode (autonomous registration) varies from base station to base station with phones typically registering between once every few minutes to up to 20 minutes. This time varies greatly based upon carriers, distance from base stations and individual handset manufacturers' standards.
November, 2011: MEET THE NEWEST "HOUND"
  EtherHound is Berkeley'snewest cell phone detection device.But unlike other BVS celldetectors, EtherHound is built for networked, custominstallations. PoE Ethernet port is located on the back aloing with dry contacts for custom cell phone detection trigger alerts. EtherHound is a low key "box" for discreet and easy installation in any bus or fleet vehicle, office space or security entry point. More Info >> |
| Optional Monitoring Software allows users to view and control EtherHound receivers based on IP address and alert modes and thresholds. |
July, 2011 - SQUID MAKES ITS DEBUT ON FOX BUSINESS
Squid 3G M2M Tester Featured on |
 (typical phone) |
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DOWNLOAD SQUID WHITEPAPER |
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AWARD WINNING HOUND
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WatchHound|
WatchHound™has recently begun shipping but this product differs slightly from our other handheld cell phone detectors. Watch the brief demo video to find out more. |
Scott Schober (Berkeley Varitronics Systems, Inc. President & CEO) briefly speaks on Berkeley's recent entry into the world of illegal cell phone use and detectors... |
| The growing contraband cellphone problem in U.S. & International prisons has reached a boiling point for law enforcement agencies and lawmakers. We feel that the Wolfhound & WatchHound products deliver the most cost effective solution. Compared to other proposed solutions such as cellular jamming (illegal) & cell sniffing dogs (expensive), BVS cell phone detectors allow any security personnel to not only detect cellular use but also locate the contraband phones. | |
BVS PRESIDENT SPEAKS >
YellowFin-LTE™ 4G analyzer is the world's first truly 
portablecalibrated, demodulating LTE test receiver.
This handheld unit utilizes the Samsung Q1 Ultra tablet UMPC as an interface in conjunction with Berkeley's precision receiver technology for complete spectrum analysis as well as LTE physical layer demodulation.
The receiver sweeps the 700 MHz to 2.0 GHz or 2.0 GHz to 5.9 GHz spectrums (choose model) to within +1.5 dB accuracy measuring both primary & secondary synchronization signals for RSSI, Signal Quality/CINR and Multipath
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YellowFin-LTE™ spectrum analysis also performsinterference detection, channel clearing withtrigger/synchronization modes for LTE signal frequency analysis.
LTE demodulates the physical layer for Identity, Cell Identity Group, Cell Identity, Extended CP, BS Antenna Countand PBCH Channel.
The optional DF (Direction Finding) Antenna allows engineers to pinpoint sources of LTE interference, rogue base stations and even nearby hackers.
An internal 12-channel/satellite GPS receiverallows for geo-coded site surveys and drive-studies using optional mapping software.
SM1500 - Series:1500 W, Bench, Programmable System DC power supply... more... |
Model# 7865HD:TV Meter for cable, terrestrial and satellite TV, with MPEG2 and MPEG4 (H264) decoding... more... |
Splicer S178A: rugged, compact & light body, more... |
What Makes Toughbook the Best?
Panasonic Toughbook® mobile computers are built to protect data and keep performing in a wide range of conditions. 
Engineered to withstand drops, spills, dust and grime, Toughbook computers go where the user goes, ready to perform in spite of harsh environments or rough handling.
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