New Products

NEW PRODUCTS

COMPONENTS

* 60 GHz Waveguide Diplexers

The 70015 Series of diplexers is designed for the 59 to 64 GHz frequency range. Using WR15 waveguide, these diplexers are designed to work with full specifications over the ­35° to +75°C range. One model has channel filters of 1350 MHz BW and a T/R spacing of 2500 MHz. Insertion loss is 1.5 dB (max) and the series has 40 dB (min) isolation between channels.

Microwave Development Co. Inc., Salem, NH (603) 870-6280.

Circle No. 216

* RF Power Divider/Combiner

The model 2000-AD-FFE-2 convection cooled RF power divider/combiner for broadcast applications is designed with cooling fins to maintain temperature. Specifications include 2000 W when operated into a load of 1.15 or less. Frequency range is 470 to 890 MHz with insertion loss of < 3.25 dB (max) and isolation is 20 dB minimum (J2 to J3).

Bird Component Products (BCP), Largo, FL (727) 547-8826.

Circle No. 217

* SMA Connectors

This family of SMA connectors operates from DC to 18 GHz and offers typical insertion loss of < 0.06 dB and SWR of 1.15 with 50 Ω impedance. RF leakage measures < 90 dB (typ). Brass or stainless steel housings are available with gold, passivate or ternary alloy plating options. To facilitate numerous applications, designs are available to accommodate flexible, conformable and semi-rigid cable, PCB mount, and panel or bulkhead mounting. All styles are available in straight, angled and swept right angle configurations. The family also includes in-series and between series adapters, dust caps and terminations.

Compel Electronics Inc., Ashland, MA (508) 881-9293.

Circle No. 219

* High Power Coaxial Switch Matrix

The model 666305 switch matrix is capable of handling 50 W CW from 0.1 to 18.0 GHz, and features front panel LED configuration display. Control options include direct keyboard/ video display connect or remote IEEE-488, RS-232 or TCP/IP connect.

Electronics Development Corp., Columbia, MD (410) 312-6650.

Circle No. 220

* High Speed, 11-bit Digital Microwave Attenuators

The 349 series of high speed, 11-bit PIN diode attenuators covers the 1.0 to 18.0 GHz frequency range. The units are digitally controlled attenuators operating over octave frequency bands. They switch in less than 300 ns and are available in 64 and 80 dB versions with 0.03 and 0.04 dB minimum step sizes, respectively. These units operate over the temperature range of ­40° to +85°C with a temperature coefficient of ±0.025 dB/°C. An analog input is available on all units, or a strobe latch can be incorporated as an option. Size: 3.00" x 2.00" x 0.82".

General Microwave, a Herley Industries Inc. company, Farmingdale, NY (631) 630-2000.

Circle No. 221

* SMT GaAs HBT MMIC Divide-by-4 Prescaler

The model HMC365S8G divide-by-4 static prescale features InGaP GaAs HBT technology in an eight lead surface-mount package. It features a wide operating input window and low additive SSB phase noise of ­151 dBc/Hz at 100 kHz offset. This device operates from DC (with a square wave input) to 12.5 GHz input frequency with a single 5 V DC supply. It is ideal for microwave radio, fiber optic and VSAT low phase noise PLL circuitry applications.

Hittite Microwave Corp., Chelmsford, MA (978) 250-3343.

Circle No. 222

* Programmable RF Transceiver

The Radio on a Chip (ROC) is a low cost, programmable single-chip RF transceiver designed for 434, 868 and 915 MHz wireless frequency applications. The high integrated ASIC uses 0.35 micron CMOS technology and a direct-down conversion radio architecture to reduce cost, facilitate on-chip integration of RF, analog digital functions, provide low power consumption and form the basis of future customized wireless transceivers. The ROC is ideal for consumer or business applications.

Honeywell, Plymouth, MN (763) 954-2638

Circle No. 223

* Multi-line Phase Shifter

This multi-line phase shifter (MLPS) is specifically designed for the electrical beam control antenna. The MLPS can give very precise antenna beam control on vertical downtilt and/or horizontal beam steering by simultaneous phase shifting of multi transmission lines. Due to its contactless structure, the MLPS provides better IMD performance. The operating frequency range is 0.5 to 3.0 GHz, the typical insertion loss is 0.5 dB (max) at 2.2 to 3.0 GHz and the I/O port is SMA.

KMW, Cerritos, CA (562) 926-2033.

Circle No. 224

* Ultra-small RF SAW Filters

These new RF SAW filters are designed for 800/900 and 1800/1900 MHz wireless handset applications. They feature extremely low insertion loss along with excellent stop-band attenuation. The filters are also self-matched at 50 Ω, which eliminates the need for designers to use external matching components. The package is a surface-mount leadless chip carrier that utilizes flip-chip technology. Size: 2.5 x 2.0 x 1.0 mm.

Clarisay Inc., Dallas, TX (214) 999-0003.

Circle No. 218

* Broadband Directional Couplers

The model 202050010 broadband directional coupler operates over the entire frequency range of 1.0 to 40.0 GHz. Nominal coupling is 13 ±1 dB with frequency sensitivity of ±1.2 dB. Minimum directivity is 14 dB from 1 to 20 GHz and 10 dB from 20 to 40 GHz. SWR is 1.5 (max) from 1 to 20 GHz and 1.7 from 20 to 40 GHz. Couplers are available with choice of 2.4 mm or K female connectors. Custom designs are available. Delivery: stock to three weeks.

Krytar, Sunnyvale, CA (408) 734-5999.

Circle No. 225

* RF Switch

The model SW-456 SPDT GaAs switch is suitable for low power switching applications from DC to 3 GHz. The low cost switch is available in an ultra-small SOT-363 (SC-70) plastic package. The switch operates on positive or negative control voltages as low as 2.3 V, offers low insertion loss (< 0.4 dB) and good isolation (> 15 dB) at 1.0 GHz with excellent device-to-device consistency. The SW-456 provides switching between two RF inputs and two RF outputs. The switch can be used in low power TDMA, CDMA and W-CDMA wireless systems at PCS, DCS and cellular frequencies and in many other low power DC to 3 GHz systems. Price: 40¢ (10,000).

M/A-COM, a unit of Tyco Electronics, Lowell, MA (978) 442-5000.

Circle No. 226

* Mixer

The model M1-0920 mixer covers the 9 to 20 GHz band with a DC to 10 GHz IF. Designed for tuner applications requiring an ultra-broadband IF, the mixer is a unique double-balanced mixer design available in open carrier, pin-package and SMA connectorized outlines. Local oscillator drive levels from 7 to 22 dBm are available. Conversion loss is 5.5 dB (typ), with a LO to RF isolation of 35 dB (typ).

Marki Microwave Inc., Morgan Hill, CA (408) 778-4200.

Circle No. 227

* Single Chip GaAs MMIC Upconverter

The model XU1000 integrated GaAs MMIC upconverter is a single fundamental mixer followed by a single stage amplifier. Using 0.15 micron gate length GaAs pHEMT device model technology, the upconverter covers the 17 to 27 GHz frequency band. Also, the XU1000 has a small signal gain of 0 dB (typ) and a third order intercept point of +12 dBm (typ) across the band. This single chip device features low DC power consumption and operates at +3.0 V DC.

Mimix Broadband, Webster, TX (281) 526-0536 ext. 14.

Circle No. 228

* Laboratory Hook-up Cables

Coaxi-Flex™ laboratory hook-up cables resist rough handling yet provide reliable and repeatable signal transfer. Durable and easy to use, these cables offer an innovative primary shield design featuring a silver plated, flat copper strip instead of conventional round wire. The rugged double shield construction supplies 100 percent coverage for maximum isolation and high mechanical integrity. Operating up to 26 GHz, the cables are available in 0.195" and 0.120" diameters, in lengths of 18", 24", 30" and 36".

Precision Tube, Salisbury, MD (410) 546-3911.

Circle No. 229

* Monolithic Crystal Filters

The F3000 fundamental mode family of monolithic crystal filters have excellent performance under shock and vibration. The filters are offered in a true SMD, ceramic package and feature slow insertion loss, excellent rejection characteristics, low passband ripple and superior group delay characteristics. The F3000 series is available on tape-and-reel and are compatible with standard pick and place equipment. They are available in standard bandwidths and frequencies with custom designs also available. Available in 2 and 4 pole configurations in a variety of bandwidth and rejection characteristics, the series' typical operating temperature is from 0° to +70°C for indoor applications to ­40° to +85°C for outdoor, power-pole environments. Applications include cellular telephone, basestations, communications receivers, LAN, WAN, wireless, remote meter reading and other applications requiring excellent selectivity at low cost. Size: 7.0 x 5.0 x 1.4 mm. Price: $2.88 (10,000). Delivery: stock to 10 weeks.

Tellurian Technologies Inc., Rolling Meadows, IL (847) 934-4141.

Circle No. 230

* SMZ-type Connector

The model UPL143-026 is a 75 Ω coaxial subminiature connector utilizing the BT43/SMB Posi-Lok type interface. Compared to the BNC series, the small BT43 type connector allows for greater interconnect density in a rack. While the BT43 does not use a bayonet coupling mechanism, it does have a non-threaded positive locking feature. The UPL143-026 utilizes the proven reliability of positive detent locking coupling sleeve technology to achieve maximum mating and demating reliability.

Trompeter Electronics, Westlake Village, CA (800) 982-2629.

Circle No. 231

* 7-16 RF Coaxial Connectors

This line of 7-16 RF coaxial connectors are now available with a positive locking quick-disconnect coupling for hard-to-reach applications. The QD16 coaxial connector is a 7-16 series RF connector that features a male coupling with a positive locking, spring-loaded sleeve and integral balls which seat into a corresponding groove on the female to mate securely. Eliminating the need for threading nuts and tools, this design is ideal for hard-to-reach applications where easy on/off is desirable. The QD16 coaxial connector is constructed with a silver-plated brass body, beryllium-copper contacts and Teflon® insulators. Price: $24.95.

Tru-Connector Corp., Peabody, MA (800) 262-9878 or (978) 532-0775.

Circle No. 232

AMPLIFIERS

* RF Amplifier

The model 250W1000A RF amplifiers offers power of 250 W (min) and bandwidth from 80 to 1000 MHz and extra margin at many places in the bandwidth. It is suited for benchtop use and includes automatic leveling control (ALC), forward and reflected power monitoring, and a power factor corrected power supply. A self-contained, air-cooled, broadband, solid-state amplifier, the 250W1000A is designed for applications where instantaneous bandwidth, high gain and linearity are required. Push-pull circuitry is utilized in all high power stages in the interest of lowering distortion and improving stability. A digital control panel (DCP) provides local and remote control of the amplifier and four dedicated switches.

Amplifier Research, Souderton, PA (215) 723-8181.

Circle No. 233

* Power Amplifiers

These three PA modules are specifically designed for single- or dual-band cellular phones and basestations working in the PCS frequency band between 1.7 and 1.9 GHz. The modules, models PAM-018-03-M48, PAM-018-04-M48 and PAM-018-05-M48, are all three stage amplifiers with inputs and outputs matched to 50 Ω. They utilize pHEMT and company's thin-film-on-glass technologies and combine high levels of integration with high performance. Size: 7.0 x 7.0 x 1.2 mm. Price: $5 (10,000).

Intarsia Corp., Fremont, CA (510) 403-6013.

Circle No. 234

* 6.3 W Amplifier

The model MSH-47168-3 amplifier delivers 38 dBm (6.3 W) of power, an IP3 of 49 dBm, second harmonics below ­40 dBc (typ), and is ideal for point-to-point and point-to-multipoint systems at 3.4 to 3.6 GHz. They include a temperature compensation circuit, which has a ±1.5 gain window. Gain is 49 dB (typ) with a flatness of ±1.0 dB. The I/O SWR is 1.6 and current is 3.8 A (max) at 12 V. The amplifier has been designed to meet high thermal stress conditions and all units include an internal voltage regulator and reverse-polarity protection.

Microwave Solutions Inc., National City, CA (619) 474-7500.

Circle No. 235

* Driver Amplifiers

The QBH-8801/QBH-8803 series driver amplifiers are ideal for wireless basestation applications. The new PCS Band Driver Amplifiers can be specified for 15 or 22 V DC operation, or 24 to 28 V DC operation with the same performance. A hybrid surface-mount package is standard. The operating band for the QBH-8801 is 1700 to 1910 MHz and the QBH-8803 operates in the 1700 to 2000 MHz band. These amplifiers achieve 4.0 dB noise figure, +42 dBm (QBH-8801) and 45 dBm (QBH-8803) typical IP3, with high dynamic range.

REMEC Q-bit, Palm Bay, FL (800) 226-1772.

Circle No. 236

ANTENNA

* Surveillance Antenna

The model 0013-800 antenna system consists of a 28" diameter vertically polarized prime focus parabolic dish and feed operational from 6.5 to 18.0 GHz. A boresight mount and removable scope is mounted to the rim of the dish directly opposite the waveguide mount. The system was originally designed for use in surveillance applications. The 0013-800 offers 29.5 dBi (min) gain at 7 GHz.

Seavey Engineering Associates Inc., Pembroke, MA (781) 829-4740.

Circle No. 237

DEVICES

* Hyperabrupt Junction Tuning Varactor

The model SMV1763-079 silicon hyperabrupt junction varactor diode is specifically designed for 3 V platforms. It features high capacitance ratio and low reverse voltage, making it ideal for low phase noise VCOs in wireless systems up to and beyond 2.5 GHz. The tuning varactor is designed for high volume, low cost battery applications including low noise and wideband UHF and VHF VCO for W-CDMA, GSM, PCS and analog phones. It is manufactured in the ultra small SC-79 package and is available in tape-and-reel. Price: 21¢ (100,000).

Alpha Industries, Haverhill, MA (781) 935-5150.

Circle No. 238

* High Speed Coupler-detector

The model TDC-18T-204F covers from 2.4 to 2.5 GHz and operates up to 20 GHz. It is a high speed, adjustable, low loss coupler-detector with the output optimized to operate over 2.4 to 2.5 GHz with an SWR of 1.5. This unit has SMA connectors on the RF an TTL output with solder pins for the DC power and control. Size: 1.5" x 1.5" x 0.5". Weight: 1.5 oz.

Planar Monolithics Industries (PMI), Frederick, MD (301) 662-4700.

Circle No. 239

* LDMOS FET

The L2721 15 W, 11 dB gain 500 MHz LDMOS FET is assembled in a 2 lead surface-mount package. It is not internally matched and will operate from DC to above the test frequency. It is intended to operate from 12 to 16 V DC power supplies. It is suitable for narrow or wideband circuits.

Polyfet RF Devices, Camarillo, CA (805) 484-4210.

Circle No. 240

MATERIALS

* High Frequency Laminates

The GML 2000 Series of high frequency laminate materials delivers the low loss characteristics of PTFE substrates at a significantly lower overall cost. The series uses new thermoset polymer alloy (TPA) resin chemistry to combine exceptional electrical properties with the advantages of a thermoset, providing an alternative for printed circuit materials in flat panel antennas, transceivers, LNBs, LNAs and other high demand applications. The laminates are made with woven E-glass fabrics impregnated with a pioneering TPA, which is based on SA120 resin.

GIL Technologies, Collierville, TN (800) 537-1306 or (901) 853-5070.

Circle No. 241

* Low Smoke PVC Jacket for Coaxial Cables

This off-white colored, low smoke PVC jacket is designed for the company's LMR-FR and LMR-LLPL coaxial cables. The jacket is designed for in-building cable runs between the antenna and radio equipment. Designed to blend in with most office and in-building décor color schemes, the jacket is much less visible than a traditional black-jacketed cable. LMR-FR cables are UL/CSA CMR/MPR (PCC-FT4) and are listed for installation in building risers and LMR-LLPL cables are UL/CSA CMP/MPP (PCC-FT6) and are listed for indoor use in air-handling plenums where maximum fire retardancy and minimum smoke generation are required.

Times Microwave Systems, Wallingford, CT (203) 949-8424.

Circle No. 242

SOFTWARE

* 3D Electromagnetic Simulation Software

Micro-Stripes version 5.5 electromagnetic simulation software is intended for the design of antennas and microwave devices. The software includes fully-interactive geometric model creation and problem definition, fully editable/parameterized models, CAD import/export, automated ports, SAR output, automatic graded-meshed and cell lumping, libraries of materials, frequency dependent metal surfaces, frequency dependent solid media, wires and multi-wire cables, lumped circuits, and thin slots.

Flomerics Inc., Southborough, MA (508) 357-2012.

Circle No. 243

* High Frequency Planar EM Analysis Suite

Sonnet Professional 7.0 adds significant new capabilities to the high frequency designer's toolbox. New features include circuit parameterization, parameter sweep analysis capability, optimization based on EM analysis, optimization of hybrid netlist/geometry projects, dimension callouts and automated circuit subdivision for efficient simulation of large circuits.

Sonnet, Liverpool, NY (877) 776-6638 or (315) 453-3096.

Circle No. 244

SOURCES

* VCO

The model ROS-1720 voltage controlled oscillator operates from 1550 to 1720 MHz and displays low ­101 dBc/Hz SSB phase noise at 10 kHz offset, 28 to 34 MHz/V tuning sensitivity and ­17 dBc harmonic suppression. Tuning voltage is 0.5 to 12.0 V (min to max) and power output is 7 dBm (typ). Size: 0.50" x 0.50" x 0.18". Price: $19.95 (5 to 49).

Mini-Circuits, Brooklyn, NY (718) 934-4500.

Circle No. 246

* SMD Oscillator

The F500 Series SMD oscillator is designed to meet the severely reduced space restriction of the wireless and portable markets. The oscillator is manufactured in a ceramic package and provides a frequency range of 1.8 to 50.0 MHz with a frequency stability of ±100 ppm. The units are available in 3.3 and 5 V versions, and are ideal for use in micro-miniaturized versions of wireless and portable electronic devices. The operating temperature range for the F500 Series is ­10° to +70°C. Price: $4 (1000). Delivery: 12 weeks (ARO).

Fox Electronics, Fort Myers, FL (888) 438-2369.

Circle No. 245

* Very Low Phase Noise VCO

The MN Series of VCOs offers very low phase noise in a conventional 0.5" SMT package. Model MN3300MS provides tuning of 3.3 GHz with a phase noise of ­100 dBc at 10 kHz and ­120 dBc at 100 kHz offset. The VCO provides output power of +3 dBm with harmonic rejection of ­20 dBc. Tuning voltage is 0.5 to 4.5 V with an input of +5 V DC. The MN Series is compatible with pick and place/reflow processing.

Modco Inc., Sparks, NV (775) 331-2442.

Circle No. 247

* Multi-octave Tracking Filter/YIG Oscillator

The model M120YTO is a tracking YIG filter with YIG oscillator. The YIG filter will cover a range of 2.0 to 8.0 GHz with the YIG oscillator offsetting by 160 MHz above the filter. The RF power output is +13 dBm (min). The oscillator's FM noise is ­120 dBc at 100 kHz away. This unit can be integrated with an analog driver or 12 bit digital driver to tune the full frequency range. The M120YTO has an operating temperature from ­54° to +85°C and is built to MIL-E-5400 specifications.

Omniyig Inc., Santa Clara, CA (408) 988-0843.

Circle No. 248

* Stratum 3E Clock

This Stratum 3E Clock meets or exceeds all Bellcore GR-1244-CORE requirements, meaning it is able to deliver less than 10 ppb total frequency change in holdover mode for a period of 24 hours. This is broken out into ±4 ppb over an operating temperature range of ­40° to +80°C and ±0.5 ppb aging over 24 hours. The clock also features warm-up time of less than two minutes, power consumption of less than 0.5 W at 25°C, HCMOS/TTL compatible output (sinewave optional) and 5 V (12 V optional) supply voltage. Price: $250. Delivery: 16 weeks (ARO).

VF Technologies, a division of ValpeyFisher Corp., Hopkinton, MA (508) 435-6381

Circle No. 250

* Ultra Low Noise VCO

The model SMV0915L voltage controlled oscillator for the 900 MHz ISM band market is designed for applications where power consumption is the tantamount consideration. It generates frequencies between 905 and 925 MHz within 0.5 and 2.5 V DC of control voltage and is designed for the toughest outdoor applications, as it is guaranteed to operate over ­40° to +85°C. The device exhibits a clean spectral signal of ­101 dBc/Hz (typ) at 10 kHz from the carrier and attenuates the second harmonic to better than ­10 dBc. The SMV0915L operates from a 3 V DC source while drawing less than 6 mA (typ) and provides the end user nominally +4 dBm of output power into a 50 Ω load.

Z-Communications Inc., San Diego, CA (858) 621-2700.

Circle No. 251

* Slim VCTCXO

The model IVT7500 SMD VCTCXO can operate on any supply voltage between 2.7 and 5.5 V. Frequency stabilities are as compact as ±1 ppm over ­40° to +85°C. Clipped sinewave frequency output from 10 to 26 MHz. This device consumes only 1.2 mA (typ) and Root Allan Variance is from 0.2 to 1.0 ppb over one second Tau. Applications include GSM/TDMA/APMS cellular phones, PCMCIA CDPD cards, two-way pagers and many other wireless networks.

Rakon Ltd., Auckland, New Zealand +69 9 571 9292.

Circle No. 249

SUBSYSTEM

* Harmonic Tuners

These tuners offer high reflection between 0.92 and 0.98 at user selectable harmonic frequencies by simple changing of resonators. Fine resolution tuning accuracy is between 0.2° and 0.5° over the whole 0° to 360° phase range. This is achieved through precise alignment support by calibration and nonlinear interpolation algorithms allowing reproduction of arbitrary impedances with accuracy typically exceeding ­50 dB, at the very edge of the Smith chart. These tuners are used in a compact and accurate harmonic load pull system. This system allows characterization of complex and strongly nonlinear behavior of microwave transistors, including hot IV curves, saturation plots and load pull contours and both harmonic impedance pulling.

Focus Microwaves Inc., Quebec, Canada (514) 335-6227.

Circle No. 252

SYSTEM

* SNA Systems and Multiple Sources

These complete scalar network analysis (SNA) systems containing filtered multipliers with ­50 dBc spurs and harmonics and include a dual directional coupler and detectors for reference, reflection and transmission. Systems are available for WR-22 through WR-10. Filtered multiplier sources are available without the coupler or detectors. Multiplier sources are available without filtering for the WR-08 through WR-05 waveguide bands. All of these products are engineered to extend the users 8 to 20 GHz equipment.

Oleson Microwave Labs, Morgan Hill, CA (408) 779-2698.

Circle No. 253

TEST EQUIPMENT

* Spectrum Analyzer

The model MS2683A spectrum analyzer features advanced digital signal processing circuitry and a 20 MHz resolution bandwidth filter that gives the unit unprecedented signal analysis capability. It can be used at the research and development, production and maintenance stages to measure complex modulated signals in advanced wireless communications systems. Covering the 9 kHz to 7.8 GHz frequency range, the MS2683A has typical dynamic range of 156 dB and 64 Msamples/s A/D signal conversion. The unit displays average noise level < ­122 dBm, 1 dB gain compression of +3 dBm (min) and +30 dBm (max) input.

Anritsu Co., Richardson, TX (800) 267-4878.

Circle No. 254

* Wideband Multichannel Simulator

The PROPSim C8 wideband multichannel simulator is designed to meet the new test requirements of the fast developing market of wideband, high data-rate and multichannel wireless systems. These applications include testing of antenna arrays, mobile networks, geolocation systems and MMIO channels for 2G and 3G systems as well as 4 G research applications. The key features include 8 channels, 70 MHz RF bandwidth, arbitrary channel modeling and digital channel combining and splitting for maximum accuracy. It also features an integrated noise source as well as three integrated simulation interfaces for RF, analog baseband and digital baseband that extend its use throughout the whole product development cycle.

Elektrobit Ltd., Oulu, Finland +358-424 9999 1.

Circle No. 255

* Carrier to Noise Generator

The model CNG 70/140 carrier to noise generator features 0 dB carrier path loss and HP3780A emulation capability, providing users with a functional replacement for the HP3708A.

Micronetics Wireless Inc., Hudson, NH (603) 883-2900.

Circle No. 256

* Spectrum Analyzers

The FSU spectrum analyzer family sets new standards in the high end class in terms of dynamic range, measurement accuracy and speed. The instrument features a 1 dB compression of the input mixer of 13 dBm, a displayed average noise level of ­158 dBm (at 1 Hz bandwidth) and a typical third-order intercept point of 25 dBm. With 30 measurements per second in manual mode, minimum sweep time of 2.5 ms and 1 µs zero span, the instruments are ideal for time-critical applications. In addition, the FSU family also provides adjacent-channel power measurement as standard, an important feature for W-CDMA. With the test methods implemented here, the spectrum no longer has to be sequentially scanned, as was previously the case. Instead, frequencies can be measured direct at the correct bandwidths.

Rohde & Schwarz GmbH & Co. KG, Munich, Germany +4989/4129-11765.

Circle No. 257