OSDMCW-CONTROL-1Wireless Conference System

Datenantenne B 24-662.00-00 Schaltbild 11 Klotz beyerdynamic)))) Theresienstr. 8 74072 Heilbronn 05.07. 1999 AenderungTagNameAus. 1--- Massstab Fuer diese Zeichnung behalten wir uns alle Rechte vor. Oberflaeche: OrCAD / . . Seitevon TagName Bearb. Gepr. Ersatz fuer: Ersetzt durch: B 36-03.00-00 13.07.99Zardai 2 C1 2,2uF 517.194 C3 470nF 521.582 C2 1nF 392.944 3 1 2 R4 10k 381.381 R5 10k 381.381 4 C4 100pF 383.090 V3 BCW61C 381.500 V4 BCW60C 323.764 R6 4,75k 381.365 R7 39,2k 371.386 C7 10nF 517.208 R3 4.75k 381.365 R2 4.75k 381.365 R1 56.2k 520.942 V2 BCW60C 323.764 V1 BCW61C 381.500 433MHz band pass filter buffer SAW-stabilised oscillator 20KHz 2nd order LPF A1 TX2-433-5V 545.848 12354 GNDOUTVCCTXDGND SAW band pass filter amplifier pre-1st mixer 433MHz band pass filter 418MHz SAW- controlled 1st Local 2nd mixer IF amplifier demodulator 2nd local oscillator 15.82 MHz oscillator buffer + - A2 RX2-433-F 545.821 1237456 INPGNDCDRXDGNDVCCAF C5 1nF 392.944 C6 100pF 383.090 +U DATA IN DATA OUT Enable transmitting Radio Metrix RX 2 Radio Metrix TX 2 Enable receiving

OSDMCW-CONTROL-1 beyerdynamic MCW This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC for control unit

Radiometrix Ltd., TX2 & RX2 Data Sheet page 1 0 UHF FM Data Transmitter and Receiver Modules Features: • EMC conforms to ETS 300-683 • Type Approved to ETS 300-220 • Data rates to 40 kbps • Usable range to 300 m • 418 & 433.92 MHz versions. • Fully screened Available for operation at 433.92 MHz in Europe, 418.00 MHz and 433.92 MHz in the U.K., both modules combine full screening with extensive internal filtering to ensure EMC compliance by minimising spurious radiations and susceptibilities. The TX2 and RX2 modules will suit one-to-one and multi-node wireless links in applications including car and building security, EPOS and inventory tracking, remote industrial process monitoring and computer networking. Because of their small size and low power requirements, both modules are ideal for use in portable, battery-powered applications such as hand-held terminals. Transmitter - TX2 • 2 stage SAW controlled, FM modulated at upto 40 kbps • Operation from 2.2V to 6V • +9dBm on 433.92MHz (Europe & UK) , -6dBm on 418MHz (UK) • High efficiency, >15% , DC RF • Improved frequency and deviation accuracy • 2 nd harmonic, < -60dBc Receiver - RX2 • Double conversion FM superhet • SAW front end filter, image rejection 50dB • Supply 3.0V to 6.0V @ 13mA • 40kbps, -F version , -100 dBm sensitivity @ 1ppm BER • 14kbps. -A version , -107 dBm sensitivity @ 1ppm BER • LO leakage, < -60 dBm Radiometrix Issue E, 3 rd December 1998 TX2 & RX2 The TX2 and RX2 data link modules are a miniature PCB mounting UHF radio transmitter and receiver pair which enable the simple implementation of a data link at upto 40 kbit/s at distances upto 75 metres in-building and 300 metres open ground. left: TX2 transmitter right:RX2 receiver Radiometrix Ltd., TX2 & RX2 Data Sheet page 2 Functional description: The TX2 transmitter module is a two stage, SAW controlled FM transmitter operating between 2V and 6V and is available in 433.92MHz and 418.00 MHz versions. The 433.92 MHz unit is type-approved to ETS 300-220 for European use and delivers nominally +9dBm from a 5V supply at 12mA, while the 418.00 MHz unit has MPT 1340 type- approval for U.K. use and delivers -3dBm from a 5V supply at 5mA. Both modules measure 12 x 32 x 3.8 mm. The RX2 module is a double conversion FM superhet receiver capable of handling date rates of upto 40kbit/s. The SIL style RX2 receiver measures 17.5 x 48 x 4.5 mm. It will operate from a supply of 3-6V and draws 14mA when receiving. A fast-acting carrier detect and a power-up enable time of less than 1ms This allows effective duty cycle power saving and a -107 dBm sensitivity. This, combined with a SAW front-end filter results in an excellent RF performance and EMC conformance. TX2 transmitter: fig.2: physical dimensions Pin description: RF GND (pin 1) RF ground pin, internally connected to the module screen and pin 4 (0V). This pin should be connected to the RF return path (e.g. coax braid, main PCB ground plane etc.) RF out (pin 2) 50Ω RF output to the antenna, it is DC isolated internally. (see antenna section of TX2 applications note for suggested antenna/feeds). Vcc (pin 3) +ve supply pin. The module will generate RF when the Vcc supply is present. Max ripple content 0.1V P-P . A 100nF de-coupling ceramic capacitor is suggested. 0V(pin 4) Supply ground connection, connected to pin 1 and screen. TXD(pin 5) This DC coupled modulation input will accept either serial digital data ( 0V to Vcc levels) or high level linear signals. see TX2 applications note for suggested drive methods. Input impedance is 100kΩ. fig. 1: TX2 block diagram Radiometrix Ltd., TX2 & RX2 Data Sheet page 3 RX2 receiver: Pin description RF in(pin 1) 50Ω RF input from the antenna, it is DC isolate internally. (see antenna section of RX2 applications note for suggested antenna/feeds). RF GND(pin 2) RF ground pin, internally connected to the module screen and pin 4 (0V). This pin should be connected to the RF return path (e.g. coax braid, main PCB ground plane etc.) CD(pin 3) The Carrier Detect may be used to drive an external PNP transistor to obtain a logic level carrier detect signal, see test circuit / applications note. If not required it should be connected to pin 5 (Vcc). 0volt (pin 4) Supply ground connection, connected to pin 1 and screen. Vcc (pin 5) +ve supply pin. +3.0V to +6.0V @ <17mA . The supply must be clean < 2mV P-P ripple. A 10μF de-coupling capacitor and 10Ω series resistor is recommended if a clean supply is not available. AF (pin 6) This is a buffered and filtered analogue output from the FM demodulator. It has a standing DC bias of 1.2V and 400mV P-P base band signal. It is useful as a test point or to drive linear decoders. Load impedance should be > 2kΩ and < 100pF. RXD (pin 7) This digital output from the internal data slicer is a squared version of the signal on pin 6 (AF). It may be used to drive external decoders. The data is true data, i.e. as fed to the transmitter. Load impedance should be > 1kΩ and < 1nF fig. 3: RX2 block diagram fig. 4: physical dimensions Radiometrix Ltd., TX2 & RX2 Data Sheet page 4 Survival Maximums: Operating temperature: -10°C to +55°C Storage temperature : -40°C to +100°C TX2, all variants Vcc (pin 3)-0.1V to +10.0V Data input (pin 5)-0.1V to +10.0V RF out (pin 2) ±50V @ < 10MHz , +20dBm @ > 10MHz RX2, all variants Vcc (pin 5)-0.1V to +10.0V Data , CD & AF (pin 7,3,6) -0.1V to + Vcc V RF input (pin 1)±50V @ < 10MHz , +13dBm @ > 10MHz note: Operation of the TX2 above 6V may cause the module to exceed the licensed power level. Electrical Performance: TX2 transmitter pinmin.typ.max.unitsnotes DC LEVELS supply voltage32.23.04.0V-3V version supply voltage34.05.06.0V-5V version CURRENT & RF POWER TX2-418-3V supply current @ Vcc = 3V34610mA RF power @ Vcc = 3V2-7-3+3dBm1 TX2-418-5V supply current @ Vcc = 5V34610mA RF power @ Vcc = 5V2-7-3+3dBm1 TX2-433-3V supply current @ Vcc = 3V34610mA RF power @ Vcc = 3V20+4+6dBm1 TX2-433-5V supply current @ Vcc = 5V371014mA RF power @ Vcc = 5V2+6+9+1…

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Test Report No. R-8170-2A FCC ID: APPLICANT Beyerdynamics 56 Central Avenue Farmingdale, NY 11735 MANUFACTURER Beyerdynamic GmbH & Co. TheresienstraBe 8 D-74072 Heilbronn, Germany TEST SPECIFICATION: FCC Rules and Regulations Part 15, Subpart C, Para. 15.231 TEST PROCEDURE: ANSI C63.4:1992 TEST SAMPLE DESCRIPTION BRANDNAME: Beyerdynamics. MODEL: N/A TYPE: Pulsed RF Transmitter POWER REQUIREMENTS: 115 VAC, 60 Hz FREQUENCY OF OPERATION: 433 MHz TESTS PERFORMED Para. 15.231(a), Radiated Emissions, Fundamental and Harmonics Para. 15.231(c), Occupied Bandwidth Duty Cycle Determination REPORT OF MEASUREMENTS Applicant: Beyerdynamics Device:Pulsed RF Transmitter FCC ID: OSDMCW-Control-1 Applicable Rule Section:Part 15, Subpart C, Section 15.231 Test Report No. R-8170-2A FCC ID: REPORT OF MEASUREMENTS (continued) TEST RESULTS 15.231 (a) -The device is used as a transmitter for security purposes. 15.231 (a)(1) & -The transmitter is automatically operated and ceases transmission within 5 15.231(2)seconds after activation. 15.231 (a)(3) -The transmitter does not perform periodic transmissions. 15.231 (a)(4)-Not applicable 15.231 (b) -The fundamental field strength did not exceed 11,000 μV/M (Average) at a test distance of 3 meters. In addition, the requirements of section 15.35 for averaging pulsed emissions and for limiting peak emissions were met. The field strength of harmonic and spurious emissions did not exceed 1,100 μV/M (AVERAGE). 15.231 (c) -The device operates at 433.92 MHz. The bandwidth of emissions did not exceed 0.25% of the operating frequency (1.08 MHz). Test Report No. R-8170-2A FCC ID: DETERMINATION OF FIELD STRENGTH LIMITS The field strength limits shown below are found in Section 15.231. Frequency Limit F1=2603750 =L1 Fo=433.92Lo F2=47012500 =L2 The formula below was utilized to determine the limits: Limit = L1 + [(Fo-F1)(L2-L1)/(F2-F1)] Solving yields: Fundamental Limit= 11,000 μV/M (AVERAGE) @ 3 Meters Harmonic Limit= 1,100 μV/M (AVERAGE) @ 3 Meters DETERMINATION OF DUTY CYCLE Through analysis of timing diagrams supplied by Beyerdynamics, it was determined that the worst case duty cycle in any 100 msec period was 50%, yielding a duty cycle correction factor of -6.0 dB. SPECTRUM ANALYZER DESENSITIZATION CONSIDERATIONS Due to the nature of the emissions being measured, care was taken to ensure that the resolution bandwidth of the spectrum analyzer was adequate to provide accurate measurements. The following formula was utilized: Setting pulse desensitization equal to zero and utilizing the minimum observed pulse width of 500μs yields a minimum required bandwidth of 1333 Hz. FCC specified bandwidths of 100kHz and 1MHz were utilized below and above 1GHz, respectively. GENERAL NOTES 1. All readings were taken utilizing a peak detector function at a test distance of 3 meters. 2. The duty cycle was applied to the peak readings in order to determine the average value of the emissions. 3. The frequency range was scanned from 30 MHz to 3.1 GHz. All emissions not reported were more than 20 dB below the specified limit. Test Report No. R-8170-2A FCC ID: EQUIPMENT LIST FCC 15.207 (a) Conducted Emissions 450 kHz to 30 MHz ENTypeManufacturerFrequency Range Model No.Cal Date Due Date 078LISNSolar Electronics10 kHz - 30 MHz8028-50-TS24BNC5/11/995/11/00 202Transient LimiterHewlett Packard.009 MHz - 200 MHz11947A7/19/997/19/00 513LISNSolar Electronics10 kHz - 30 MHz8028-50-TS24BNC11/2/9811/2/99 575Graphics PlotterHewlett PackardN/A7470A4/22/994/22/00 7016EMC AnalyzerHewlett Packard9kHz - 1.8GHz8591EM5/13/995/13/00 FCC 15.231 (c) Occupied Bandwidth ENTypeManufacturerFrequency Range Model No.Cal Date Due Date 575Graphics PlotterHewlett PackardN/A7470A4/22/994/22/00 7016EMC AnalyzerHewlett Packard9kHz - 1.8GHz8591EM5/13/995/13/00 Test Report No. R-8170-2A FCC ID: FCC 15.231(b) RADIATED EMISSIONS, FUNDAMENTAL & SPURIOUS CASE (Please see separate e-file attachment named 433.92MHz231.doc) FCC 15.231(c) OCCUPIED BANDWIDTH (Please see separate e-file attachment named Occbw.pdf) CONDUCTED EMISSIONS (Please see separate e-file attachment named CE data.pdf)

Data Sheet 1 of 4 Test Method: FCC Part 15 Subpart C Radiated Emissions Paragraph 15.231 Customer: Beyerdynamic Job No. R-8170-2A Test Sample: Control Unit Model No.: MCW100 Serial No. N/A Operating Mode: Continuously Transmitter 433 Mhz Signal Technician: Dennis Cortes Date: October 19, 1999 Notes: Test Distance: 3 Meters Temp:16C Humidity:25% Detector: Peak Test Freq. Antenna Pol./Height EUT Orientation Meter Reading Correction Factor Corrected Reading Converted Reading Peak Limit Mhz(V/H) / DegreesX / Y / Z dBuv dB dBuV/m uV/m uV/m 433.9H / 1.0X77.0-1.675.45888.4110000 433.9H / 1.0Y81.8-1.680.210232.9110000 433.9H / 1.0Z79.8-1.678.28128.3110000 433.9V / 1.0X79.1-1.677.57498.9110000 433.9V / 1.0Y80.0-1.678.48317.6110000 433.9V / 1.0Z81.6-1.680.010000.0110000 867.8H / 1.0X29.56.135.660.311000 867.8H / 1.0Y31.76.137.877.611000 867.8H / 1.0Z32.06.138.180.411000 867.8V / 1.1X31.06.137.171.611000 867.8V / 1.0Y31.36.137.474.111000 867.8V / 1.0Z31.16.137.272.411000 1301.7H / 1.0X44.7-5.539.291.25000 1301.7H / 1.0Y45.0-5.539.594.45000 1301.7H / 1.0Z46.2-5.540.7108.45000 1301.7V / 1.1X48.2-5.542.7136.55000 1301.7V / 1.0Y47.4-5.541.9124.55000 1301.7V / 1.0Z47.0-5.541.5118.95000 1735.6H / 1.1X45.6-3.741.9124.511000 1735.6H / 1.0Y45.2-3.741.5118.911000 1735.6H / 1.0Z45.0-3.741.3116.111000 1735.6V / 1.0X49.1-3.745.4186.211000 1735.6V / 1.0Y46.5-3.742.8138.011000 1735.6V / 1.0Z47.5-3.743.8154.911000 2169.5H / 1.0X48.7-1.647.1226.511000 2169.5H / 1.0Y50.2-1.648.6269.211000 2169.5H / 1.0Z48.6-1.647.0223.911000 2169.5V / 1.4X50.7-1.649.1285.111000 2169.5V / 1.2Y52.0-1.650.4331.111000 2169.5V / 1.5Z48.8-1.647.2229.111000 The frequency range was scanned from 30 Mhz to 4.5 Ghz. All emissions not recorded were more than 10 dB below the specified limit. Emissions from the EUT do not exceed the specified limits. *=Noise Floor Measurements ( Minimum system sensitivity) Data Sheet 2 of 4 Test Method: FCC Part 15 Subpart C Radiated Emissions Paragraph 15.231 Customer: Beyerdynamic Job No. R-8170-2A Test Sample: Control Unit Model No.: MCW100 Serial No. N/A Operating Mode: Continuously Transmitter 433 Mhz Signal Technician: Dennis Cortes Date: October 19, 1999 Notes: Test Distance: 3 Meters Temp:16C Humidity:25% Detector: Quasi-Peak Test Freq. Antenna Pol./Height EUT Orientation Meter Reading Correction Factor Corrected Reading Converted Reading Peak Limit Mhz(V/H) / DegreesX / Y / Z dBuv dB dBuV/m UV/m uV/m 2603.4H / 1.0X45.60.245.8195.011000 2603.4H / 1.4Y47.20.247.4234.411000 2603.4H / 1.2Z47.00.247.2229.111000 2603.4V / 1.0X49.00.249.2288.411000 2603.4V / 1.0Y49.10.249.3291.711000 2603.4V / 1.2Z46.80.247.0223.911000 3037.3H / 1.0X41.22.543.7*153.111000 3037.3H / 1.0Y41.22.543.7*153.111000 3037.3H / 1.0Z41.22.543.7*153.111000 3037.3V / 1.0X41.22.543.7*153.111000 3037.3V / 1.0Y41.22.543.7*153.111000 3037.3V / 1.0Z41.22.543.7*153.111000 3471.1H / 1.0X40.05.145.1*179.911000 3471.1H / 1.0Y40.05.145.1*179.911000 3471.1H / 1.0Z40.05.145.1*179.911000 3471.1V / 1.0X40.05.145.1*179.911000 3471.1V / 1.0Y40.05.145.1*179.911000 3471.1V / 1.0Z40.05.145.1*179.911000 3904.9H / 1.0X39.87.447.2*229.15000 3904.9H / 1.0Y39.87.447.2*229.15000 3904.9H / 1.0Z39.87.447.2*229.15000 3904.9V / 1.0X39.87.447.2*229.15000 3904.9V / 1.0Y39.87.447.2*229.15000 3904.9V / 1.0Z39.87.447.2*229.15000 4338.8H / 1.0X42.211.353.5*473.25000 4338.8H / 1.0Y42.211.353.5*473.25000 4338.8H / 1.0Z42.211.353.5*473.25000 4338.8V / 1.0X42.211.353.5*473.25000 4338.8V / 1.0Y42.211.353.5*473.25000 4338.8V / 1.0Z42.211.353.5*473.25000 The frequency range was scanned from 30 Mhz to 4.5 Ghz. All emissions not recorded were more than 10 dB below the specified limit. Emissions from the EUT do not exceed the specified limits. *=Noise Floor Measurements ( Minimum system sensitivity) Data Sheet 3 of 4 Test Method: FCC Part 15 Subpart C Radiated Emissions Paragraph 15.231 Customer: Beyerdynamic Job No. R-8170-2A Test Sample: Control Unit Model No.: MCW100 Serial No. N/A Operating Mode: Continuously Transmitter 433 Mhz Signal Technician: Dennis Cortes Date: October 19, 1999 Notes: Test Distance: 3 Meters Duty Cycle: 50% Detector: Peak Duty Cycle Correction: -6dB Test Freq. Antenna Pol./Height EUT Orientation Peak Reading Correction Factor Corrected Reading Converted Reading Average Limit Mhz(V/H) / DegreesX / Y / Z dBuv dB dBuV/m uV/m uV/m 433.9H / 1.0X75.4-6.069.42951.211000 433.9H / 1.0Y80.2-6.074.25128.611000 433.9H / 1.0Z78.2-6.072.24073.811000 433.9V / 1.0X77.5-6.071.53758.411000 433.9V / 1.0Y78.4-6.072.44168.711000 433.9V / 1.0Z80.0-6.074.05011.911000 867.8H / 1.0X35.6-6.029.630.21100 867.8H / 1.0Y37.8-6.031.838.91100 867.8H / 1.0Z38.1-6.032.140.31100 867.8V / 1.1X37.1-6.031.135.91100 867.8V / 1.0Y37.4-6.031.437.21100 867.8V / 1.0Z37.2-6.031.236.31100 1301.7H / 1.0X39.2-6.033.245.7500 1301.7H / 1.0Y39.5-6.033.547.3500 1301.7H / 1.0Z40.7-6.034.754.3500 1301.7V / 1.1X42.7-6.036.768.4500 1301.7V / 1.0Y41.9-6.035.962.4500 1301.7V / 1.0Z41.5-6.035.559.6500 1735.6H / 1.1X41.9-6.035.962.41100 1735.6H / 1.0Y41.5-6.035.559.61100 1735.6H / 1.0Z41.3-6.035.358.21100 1735.6V / 1.0X45.4-6.039.493.31100 1735.6V / 1.0Y42.8-6.036.869.21100 1735.6V / 1.0Z43.8-6.037.877.61100 2169.5H / 1.0X47.1-6.041.1113.51100 2169.5H / 1.0Y48.6-6.042.6134.91100 2169.5H / 1.0Z47.0-6.041.0112.21100 2169.5V / 1.4X49.1-6.043.1142.91100 2169.5V / 1.2Y50.4-6.044.4166.01100 2169.5V / 1.5Z47.2-6.041.2114.81100 The frequency range was scanned from 30 Mhz to 4.5 Ghz. All emissions not recorded were more Than 10 dB below the specified limit. Emissions from the EUT do not exceed the specified limits. *=Noise Floor Measurements ( Minimum system sensitivity) Data Sheet 4 of 4 Test Method: FCC Part 15 Subpart C Radiated Emissions Paragraph 15.231 Customer: Beyerdynamic Job No. R-8170-2A Test Sample: Control Unit Model No.: MCW100 Serial No. N/A Operating Mode: Continuously Transmitter 433 Mhz Signal Technician: Dennis Cortes Date: October 19, 1999 Notes: Test Distance: 3 Meters Duty Cycle: 50% Detector: Quasi-Pea…

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