Systems service rechargeable batteries
The battery management systems from Christie Electric service rechargeable batteries. These products include the ProEase Universal 60 and the RF80-K. The RF80-K features automatic operation, reflex charging, digiflex analysis, cell-voltage balance testing and constant current and potential charging. Additional features include one-hour charge/discharge for NiCd batteries and advanced reconditioning capabilities, also for NiCd batteries. The Universal 60 offers digital current settings, self-calibration and easy-to-use settings and indicators.
Antennas mount on rooftops
The Telelocator dual-system antennas from Antenna Specialists combine active GPS location identification with broadband cellular for complete frequency coverage without tuning. The GPS engine includes a weatherproof ultrasonic seal to protect against extreme weather conditions. A single-cellular/GPS antenna is suitable for service providers who have added GPS positioning to existing cellular services.
Software supports public safety
Aegis Field Reporting from New World Systems is designed for public safety. This technology improves officer productivity and safety by creating reports that meet agency, state and IBR standards so the report only needs to be written once. This software is fully integrated with the company’s public safety suite of software including CAD, Law Enforcement Records and Mobile Computing. Officers write reports based on information already entered into the system from dispatchers and from the officer’s notes taken at the scene. The field reporting module automatically populates the fields that have corresponding information before the officer begins entering data. The mobile computing software provides officers in the field access to critical, accurate and real-time information.
Oscilloscope undergoes self-test
Model 5105A from B+K Precision is a 150MHz analog/digital storage oscilloscope. This benchtop unit incorporates a high-end digital scope with a 200MS/s sampling rate. On up-start the model automatically undergoes a diagnostic self-test to ensure proper operating conditions. A single button is used to switch from analog to digital storage operation. Autoset, a feature of the model, provides automatic setup of time base, vertical axis and trigger parameters of the signal being measured. The user can then readjust the time base and vertical axis as required. As many as 17 automatic measurements are displayed by readouts on the screen.
Transceiver works with similar units
The UD-401 UHF transceiver module from Ranger Communications is optimized for data applications where high RF performance (such as European PTT standards) and small size are requirements. This module is footprint- and pin-compatible with other similar units in the market such as the Johnson 3474 transceiver module. This product covers the UHF 406MHz-512MHz band segments and is narrowband- (12.5KHz or 6.25KHz) capable. Attack times of less than 10ms, better than 1.5ppm frequency stability and low “key up” sideband noise ensure high throughput and stability.
Cables offer triple-shielding system
Designed for operation to 18GHz or 40GHz, Testmate cables from Times Microwave Systems feature a proprietary triple-shielding system. Several designs feature interchangeable connector heads. Cable assemblies have low attenuation, long-term electrical stability and are rugged enough for daily use in many applications.
Hardware eliminates repeated adjustments
The ASB-3 mount from Kathrein, Scala Division, allows the system operator to mount three panel antennas on a single 4½” mast. The complete assembly with antennas has a diameter of 18.1″. When used with the XPV series antennas, a complete three-sector cross-polarized receive and vertical transmit system can be erected quickly and easily. Mechanical downtilt can be added as needed with only a small increase in diameter. The mount consists of two hot-dipped, galvanized-steel three-sector clamps and two aluminum mounting support clamps. It includes all stainless steel assembly hardware. The mounting clamps support the assembly during azimuth adjustments and provide additional support after adjustments are complete. A single bolt on the sector clamp snugs the assembly to the mast, eliminating the repeated adjustments needed when multiple mounting arrangements for each antenna are used. All antenna mounting points are formed with keyed holes, allowing the supplied hardware to be blind-tightened.
Rack components offer larger sizes
Winsted’s four rack modules are part of a comprehensive line of rack components. The models 84034 (19⅜” D) and 86034 (26″ D) are base/slope consoles with a 24½-foot-high sloping top module designed to hold two sets of 9″ monitors with 3½” (2U) of added height to accommodate additional electronics. The models 86013 (22⅝” D) and 84013 (16″ D) rack modules are both 21″ high (12U). They hold two sets of 9″ monitors. The all-steel components come with removable punched rack rails.
Radio offers value-added security features
Not only does the SP-150V from Topaz3 deliver LTR trunking and conventional two-way radio operation, but it also provides value-added security features. These features include password protection, which prevents unauthorized reprogramming of the radio, and embedded messaging to aid in identifying the radio’s owner if the unit is lost or stolen. Additional performance features include user scan-list editing, programmable audio levels and flash programming capability that allows quick, easy upgrades to its software.
Antenna operates in 142MHz-164MHz
The TRA(B)420 from Antenex features a tuning inductor for simplified tuning through the band. This antenna operates within the 142MHz-164MHz frequency. The operating coverage is about 1MHz-1.5MHz. Installation can be performed without trimming a tuning disk. Simply adjust the tuning inductor.
Charger extends batteries life
JBRO Batteries’ Telepower Pro extends a battery’s life as much as 10 years. Using a patented microprocessor, the charger removes and prevents memory effect, the number-one culprit for failed batteries. Its four-stage charging cycle protects batteries, ensuring no overcharging, overheating or deep discharging. This product constantly monitors the battery and if it senses power loss, it will automatically restart the charge sequence, maintaining a fully charged battery for indefinite time periods.
Diagram determines contours
Hartech’s wireless coverage diagrams are developed from electromagnetic field calculations to determine coverage contours. These contours can be placed over a variety of map formats to show the area covered by base, mobile and hand-held radios. This is presented directly on top of road maps or topographic maps using outlines, solids, cross hatches or plotted on transparencies as overlays for USGS or other maps. This product is customized for municipalities as well as private companies.
Modem doubles transmit speed
The RF-5710A high-frequency modem from Harris transmits data at a rate of 19.2kbps, which doubles the current speed of 9,600bps. This product has been adopted by NATO and incorporates a broad range of interoperable waveforms, including STANAG 5066, 5065, 4529, 4481, 4415 and 4285. This product is also compliant with numerous military standards including MIL-STD-188-110A and MIL-STD-110B.
Supplies offer lightweight design
The GXT 2U is a family of uninterruptible power supplies in 700VA, 1,000VA, 1,500VA, 2kVA and 3kVA sizes. These products from Liebert provide power protection, internal battery backup and an optional output distribution and maintenance bypass module, which is useful where space and uptime are critical. All features are packaged in a compact and lightweight design.
Logger provides graphs, waveforms, reports
The single-phase power quality logger from AEMC Instruments is designed to measure and log from a complete suite of electrical and power quality parameters. This product measures, records and stores the selected parameters. The recorded information is retrieved via a computer using an RS-232 serial link. The report-compliant Dataview Lite software package, which provides graphs, waveforms and pre-configured reports, is supplied with the loggers. The logger is designed for North American commercial, industrial and residential applications and is plugged into a standard ac receptacle. The logger is line-powered from the voltage source that it is connected to, with an internal battery to protect data integrity during power outages and programmed configuration for as long as one year.
Repeater/base station features DSP
The TKR-750/850 from Kenwood Communications has a rack-mount design with rear access to an external speaker output (four at audio), accessory/logic controller connector and test-speaker-AUX connector (15 pin). This product features wide/narrow channel spacing per channel and has programmable AUX input/output functions. It also offers DSP-processed QT/DQT and companded audio. The TKR-750 is a VHF model with 25W-50W adjustable power. The TKR-850 UHF has 25W-40W adjustable power. This product is designed for small- to mid-size public safety agencies, local government, manufacturing and industrial plants, private security and construction. The repeater includes full-duplex operation and built-in QT/DQT community repeater operation with external controller interface. It is conventional- or trunking-controller compatible. The base station features 16-channel operation, simplex or full duplex operation, priority scan, remote control inputs and a two-digit LED channel and scan indicator.
Receptacle isolates ground signal
The RFB-1116-I-03, an isolated ground receptacle from RF Connectors, is useful in applications requiring insulation between the main connector body and the threaded mounting surface. This electrically isolates the ground signal of the circuit from the panel attachment. The circuit ground signal passes through the panel via the solder lug for termination inside a device or other grounding point. This product mates with any standard BNC plug and features gold-plated contact, nickel-plated body and valox insulation.