R&S®OSP Open Switch and Control Platform

Modular solution for RF switch and control tasks

Family of R&S®OSP units - new generation
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R&s®OSP220 - 2 HU model with 3+3 module slots and status display
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R&s®OSP220 - 2 HU model with 3+3 module slots and status display
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R&S®OSP230 - 2 HU model with 3+2 module slots and touch screen
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R&S®OSP320 - 3 HU model with 5+5 module slots and status display
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R&S®OSP320 - 3 HU model with 5+5 module slots and status display
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Family of R&S®OSP units - new generation R&s®OSP220 - 2 HU model with 3+3 module slots and status display R&s®OSP220 - 2 HU model with 3+3 module slots and status display R&S®OSP230 - 2 HU model with 3+2 module slots and touch screen R&S®OSP320 - 3 HU model with 5+5 module slots and status display R&S®OSP320 - 3 HU model with 5+5 module slots and status display

Key facts

  • Modular, reliable and cost-efficient
  • Compact, secure and flexible
  • Powerful control and RF relay modules up to 67 GHz
  • Expandable system configurations
  • Convenient manual and remote control
  • Trigger function
  • Ethernet

The modular R&S®OSP open switch and control platform is designed to perform RF switch and control tasks.

The R&S®OSP is offered in two compact 2 HU models (R&S®OSP220, R&S®OSP230) and one higher 3 HU model (R&S®OSP320) to meet the requirements of diverse test scenarios – ranging from desktop configurations for laboratory measurements to complex, rack-integrated test systems. 

The R&S®OSP230 model comes with touchscreen for manual control. A monitor option is avalable for the R&S®OSP320 model.

Features & benefits

Modular, reliable, cost-efficient

Essential for reproducible measurements

The modularity provided by the R&S®OSP family facilitates the fast setup of test and measurement configurations for applications in production, test labs and development. The ability to implement complex wiring by means of a single switch and control platform is an essential prerequisite for reliable and reproducible measurements that can be automated to enable cost-efficient test sequences.

R&S®OSP-N Open Switch and Control Platform
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EMC test system with R&S®OSP

The R&S®OSP is used to distribute generator and amplifier signals, to multiplex the forward and reverse signals and to check interlock signals.

Compact, secure and flexible

Different models up to 10 flexible module slots


The R&S®OSP units are accommodated in a compact 19" cabinet of two or three height units. 
The powerful CPU and the LINUX operating system provides maximum flexibility for controlling switch and control modules and enables the use of  internal and external interfaces. 
The module slots on the rear and frontside of each unit can be integrated into one, extra-wide triple or double module slot to accept larger modules with an extended range of functions.

R&S®OSP-N Open Switch and Control Platform
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Front and rear view of R&S®OSP220, R&S®OSP230 and R&S®OSP320 switch and control units

Detailed overview also available in product brochure on page 5.

Powerful control and RF relay modules

Electromechanical relays up to 67 GHz


Users can choose among:

  • universal electromechanical RF relay modules with N relays (from DC to 12.4 GHz),
  • electromechanical RF relay modules from DC to 18 GHz, 26.5 GHz, 40 GHz, 50 GHz, and 67 GHz
  • solid-state relay (SSR) modules (up to 10 GHz), digital I/O and multiplexer modules

Special system modules modules make it easier to implement EMS and other test systems.

R&S®OSP-N Open Switch and Control Platform
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Overview modules with RF coaxial relays

Expandable system configurations

Easy system integration and virtually unlimited expandability


All R&S®OSP models can be combined via Ethernet into avlocal network or a corporate or global network in a master/vslave configuration. This makes it possible to expand existing R&S®OSP systems to meet future requirements.
As an alternative to networking multiple R&S®OSP units, the compact R&S®OSP‑B200S2 satellite box can be used for remote operation. The satellite box shifts RF switch and control tasks close to the DUT or the antennas. This reduces the number of long RF cables required, improving RF performance of the setup and saving costs. 

R&S®OSP-N Open Switch and Control Platform
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Possible combinations of OSP units and satellite boxes

Intuitive operation

Easy manual operation and remote control using web interface


The R&S®OSP models come with a built-in web interface for local operation of the unit or for control from a PC or laptop with a browser. In the case of browser based control, the resolution of the displayed content is automatically adapted to the screen size of the monitor used.
All R&S®OSP models can be controlled using a keyboard and mouse and an external HDMI™ monitor.

R&S®OSP-N Open Switch and Control Platform
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Web GUI for switching and path definition

Path control

Efficent manual operation or programming

  • Relay switching states are combined to define paths, simplifying the control and programming of complex wiring configurations.
  • The ability to copy and paste the syntax of manually defined paths to SCPI commands makes SCPI programming very efficient.
R&S®OSP-N Open Switch and Control Platform
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Example of path definition for relays in different modules

Trigger function

Faster Switching

External triggers control switching processes more precisely and make them up to 1000 times faster when solid-state relays are used.

Key features of the trigger function

  • Very fast switching of OSP modules with SSR (Solid State Relays), up to 1000x faster than via LAN
  • Hardware controlled switching of all switching elements by
    - external measurement devices
    - external hardware of an measurement setup
  • Precise and reproducible switching according the trigger signal
  • Four different trigger types: single. toggle, sequenced and addressed
  • Trigger is configurable via SCPI and touchscreen
  • Manual trigger for debugging without ext. trigger signal
  • The GUI displays the minimal trigger interval / maximal trigger frequency of the configuration
R&S®OSP-N Open Switch and Control Platform
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R&S®OSP unit with trigger interfaces on front side.

The trigger menu shows the minimum trigger interval possible with the given path configuration.

Available models

Available models

  • Model name

    R&S®OSP220

    Order number 1528.3105K02

    Instrument dimensions WxH: 19" x RU
    2
    Number of module slots
    6
    Number of slots on the front/rear panel
    3 / 3
    Status display
    Touchscreen
     
  • Model name

    R&S®OSP230

    Order number 1528.3105K03

    Instrument dimensions WxH: 19" x RU
    2
    Number of module slots
    5
    Number of slots on the front/rear panel
    2 / 3
    Status display
     
    Touchscreen
  • Model name

    R&S®OSP320

    Order number 1528.3111K02

    Instrument dimensions WxH: 19" x RU
    3
    Number of module slots
    10
    Number of slots on the front/rear panel
    5 / 5
    Status display
    Touchscreen
    Optional
Specifications
Interfaces (front panel) R&S®OSP220 R&S®OSP230 R&S®OSP320
USB for keyboard, mouse or USB stick 2 2 2 2 × USB 2.0, type A female connector
HDMI™ for external monitor 1 1 1 HDMI™ female connector
Touchscreen for manual operation - 1 *1) VGA, color
External trigger input and output 2 2 2 BNC
Status display display of TCP/IP address 1 - 1 b/w
Interfaces (rear panel)
USB   1 1 1 USB 3.0, type A female connector
LAN remote control via LAN 1 1 1 Ethernet RJ-45 female connector, 10/100 Mbit/s
Protected memory slot operating system 1 1 1 micro-SD card slot
Additional trigger interface 4 bit - - 1 D-Sub 9 male
*1)Optional, R&S®OSP-B300M touchscreen module
Environmental conditions
Temperature operating temperature range 0 °C to +50 °C
  storage temperature range -25 °C to +70 °C
Damp heat   +40 °C, 90 %, rel. humidity, constant, in line with EN 60068-2-30
Height above zero   0 to 4600 m
Mechanical resistance
Vibration sinusoidal 5 Hz to 55 Hz, 0.3 mm amplitude const., 55 Hz to 150 Hz, 0.5 g const., in line with EN 60068-2-6
  random 10 Hz to 300 Hz, acceleration 1.2 g (RMS) in line with EN 60068-2-64
Shock   40 g shock spectrum, in line with EN 60068-2-27, MIL-STD-810E, method no. 516.4, procedure I
Power supply
Rated voltage   100 V to 240 V AC (± 10 %)
Rated frequency   50 Hz to 60 Hz (± 10 %)
Max. input power   1.5 A to 3.6 A (max. 310 VA)
Rated power without modules < 25 W
Dimensions (W × H × D) R&S®OSP220, R&S®OSP230 444.7 mm × 107.6 mm × 471.9 mm (17.51 in × 4.24 in × 18.58 in)
  for rackmounting (without modules) 1/1 19", 2 RU, depth 425 mm (16.73 in)
  R&S®OSP320 444.7 mm × 152.05 mm × 471.9 mm (17.51 in × 5.99 in × 18.58 in)
  for rackmounting (without modules) 19" 1/1, 3 RU, depth 425 mm (16.73 in)
Weight R&S®OSP220 (without module) approx. 6.85 kg (15.1 lb)
  R&S®OSP230 (without module) approx. 6.95 kg (15.3 lb)
  R&S®OSP320 (without module) approx. 7.95 kg (17.5 lb)
Further information
Operating system: LINUX®
Certificates: EU (CE, RoHS), China, Canada, USA, Korea 

Available options

Trigger function (for all R&S®OSP units)
Product Description
R&S®OSP-K100 Hardware trigger function

R&S®OSP-K100

Order number 1528.3486.02

Description

Hardware trigger function

Monitor module (for R&S®OSP320 only)
Product Description
OSP-B300M_49401_11_img01.jpg

R&S®OSP-B300M

Order number 1528.3128.02

Description

Touchscreen module for R&S®OSP320

R&S®OSP Satellite (extension for all OSP units)
Product Description
OSP-B200SR_48807_03_img01.jpg

R&S®OSP-B200S2

Order number 1528.3134K02/K04

Description

Satellite

OSP-B200R_48883_05_img01.jpg

R&S®OSP-B200R

Order number 1528.3140.02/.04

Description

Remote Control Module

R&S®OSP-B200P

Order number 1528.3205.02

Description

AC power supply for R&S®OSP-B200S2 satellite box (required for FOL interface)

R&S®OSP-Z200A

Order number 1528.3170.02

Description

Electrical bus cable, length: 5 m

R&S®OSP-Z200B

Order number 1528.3170.04

Description

Electrical bus cable, length: 10 m

R&S®OSP-Z201A

Order number 1528.3186.02

Description

Fiber-optic link (FOL), SC-to-SC, length: 5 m

R&S®OSP-Z201B

Order number 1528.3186.04

Description

Fiber-optic link (FOL), SC-to-SC, length: 10 m

R&S®OSP-Z201C

Order number 1528.3186.06

Description

Fiber-optic link (FOL), SC-to-SC, length: 20 m

R&S®OSP-Z202AF

Order number 1528.3192.02

Description

Fiber-optic link (FOL), SC-to-FSMA, length: 5 m

R&S®OSP-Z202BF

Order number 1528.3192.04

Description

Fiber-optic link (FOL), SC-to-FSMA, length: 10 m

Modules with non-terminated electromechanical relays up to 67 GHz
Product Description
OSP-B101_front.jpg

R&S®OSP-B101

Order number 1505.5101.02

Description

RF Switch Module

6 × coaxial changeover relays SPDT (SMA), 0 Hz to 18 GHz

OSP-B101L_front.jpg

R&S®OSP-B101L

Order number 1505.5101.52

Description

RF Switch Module

6 × SPDT (SMA), 0 Hz to 18 GHz, latching

OSP-B102_front.jpg

R&S®OSP-B102

Order number 1505.5201.02

Description

RF Switch Module

2 × coaxial multiposition relays SP6T (SMA), 0 Hz to 18 GHz

OSP-B102L_front.jpg

R&S®OSP-B102L

Order number 1505.5201.52

Description

RF Switch Module

2 × SP6T (SMA), 0 Hz to 18 GHz, latching

R&S®OSP-B111E

R&S®OSP-B111E

Order number 1505.4605.26

Description

RF Switch Module

6 × SPDT (SMA), DC to 26.5 GHz, non-terminated

OSP-B101_front.jpg

R&S®OSP-B111

Order number 1505.4605.02

Description

RF Switch Module

6 × coaxial changeover relays SPDT (SMA 2.92, K), 0 Hz to 40 GHz

R&S®OSP-B111U

R&S®OSP-B111U

Order number 1505.4605.53/.56

Description

RF Switch Module

3  × SPDT (2.4 mm) and 6 × SPDT (2.4 mm), DC to  50 GHz, non-terminated

OSP-B111UL_48607_02_img01.jpg

R&S®OSP-B111UL

Order number 1528.1531.13/.16

Description

RF Switch Module

3 or 6 × SPDT (2.4), 0  Hz to 50 GHz, non-terminated, latching

OSP-B111VL_48755_04_img01.jpg

R&S®OSP-B111VL

Order number 1515.5991.13/.16

Description

RF Switch Module

3 or 6 x SPDT (1.85 mm), 0 Hz to 67 GHz, latching

R&S®OSP-B112E

R&S®OSP-B112E

Order number 1528.1560.11/.12

Description

RF Switch Module

1 or 2 coaxial multiposition relays (SMA), 0 Hz to 26.5 GHz

OSP-B102_front.jpg

R&S®OSP-B112

Order number 1505.4611.02

Description

RF Switch Module

2 × coaxial multiposition relays SP6T (2.92, K), 0 Hz to 40 GHz

R&S®OSP-B112U

R&S®OSP-B112U

Order number 1528.1560.51/.52

Description

RF Switch Module

1  × SP6T (2.4 mm) and 2 × SP6T (2.4 mm), DC to  50 GHz, non-terminated

OSP-B112UL_48755_06_img01.jpg

R&S®OSP-B112UL

Order number 1528.1548.11

Description

RF Switch Module

1 × SP6T (2.4 mm), 0 Hz to 50 GHz, latching

R&S®OSP-B116E

R&S®OSP-B116E

Order number 1515.5827.26

Description

RF Switch Module

2 × DPDT (SMA), DC to 26.5 GHz, non-terminated

OSP-B116_front.jpg

R&S®OSP-B116

Order number 1515.5827.02

Description

RF Switch Module

2 × DPDT (SMA), 0 Hz to 18 GHz

OSP-B116H_48939_04_img01.jpg

R&S®OSP-B116H

Order number 1515.5827.40

Description

RF Switch Module

2 × DPDT (2.92 mm, K), 0 Hz to 40 GHz

R&S®OSP-B116U

R&S®OSP-B116U

Order number 1515.5827.51/.52

Description

RF Switch Module

1  × DPDT (2.4 mm) and 2 × DPDT (2.4 mm), DC to  50 GHz, non-terminated

R&S®OSP-B119E

R&S®OSP-B119E

Order number 1515.5856.26

Description

RF Switch Module

1 × SP8T (SMA), 2 × SPDT (SMA), DC to 26.5 GHz, non-terminated

OSP-B119_front.jpg

R&S®OSP-B119

Order number 1515.5856.02

Description

RF Switch Module

1 × SP8T (SMA), 2 × SPDT (SMA), 0 Hz to 18 GHz

Modules with solid-state relays (SSR)
Product Description
OSP-B107_front.jpg

R&S®OSP-B107

Order number 1505.5901.02

Description

RF Switch Module

6 x SPDT (SMA), SSR, 9 kHz to 6 GHz

OSP-B127_front.jpg

R&S®OSP-B127

Order number 1505.4728.02

Description

RF Switch Module

6 × SPDT (SMA), SSR, 9 kHz to 10 GHz, terminated

OSPB128_front.jpg

R&S®OSP-B128

Order number 1505.4734.1n

Description

RF Switch Module

n × SP6T (SMA), SSR, 9 kHz to 10 GHz, terminated, n = 1 to 3

OSP-B142_img1.jpg

R&S®OSP-B142

Order number 1505.4792.03

Description

RF Switch Module

3 x DP3T (SMA) power SSR (10W), 9 kHZ to 8 GHz, ext. termination optional

Modules with terminated electromechanical relays up to 50 GHz
Product Description
OSP-B121_front.jpg

R&S®OSP-B121

Order number 1515.5504.02

Description

RF Switch Module

3 × SPDT (SMA), 0 Hz bis 18 GHz, terminated

R&S®OSP-B121E

R&S®OSP-B121E

Order number 1515.5504.26

Description

RF Switch Module

3 × SPDT (SMA), DC to 26.5 GHz, terminated

OSP-B121H_47552_02_img01.jpg

R&S®OSP-B121H

Order number 1515.5504.40

Description

RF Switch Module

3 × SPDT (SMA 2.92, K), 0 Hz to 40 GHz, terminated

OSP-B122_front.jpg

R&S®OSP-B122

Order number 1515.5510.02

Description

RF Switch Module

1 × SP6T (SMA), 0 Hz to 18 GHz, terminated

R&S®OSP-B122E

R&S®OSP-B122E

Order number 1528.1525.26

Description

RF Switch Module

1 × SP6T (SMA), DC to 26.5 GHz, terminated

OSP-B122H_48607_04_img01.jpg

R&S®OSP-B122H

Order number 1528.1525.02

Description

RF Switch Module

1 × SP6T (K (2.92 mm)), 0 Hz to 40 GHz, terminated

R&S®OSP-B122U RF Switch Module

R&S®OSP-B122U

Order number 1528.1525.51

Description

RF Switch Module

1 x SP6T (2.4 mm), 0 Hz to 50 GHz, terminated

OSP-B123_front.jpg

R&S®OSP-B123

Order number 1515.5527.02

Description

RF Switch Module

6 x SPDT (SMA) and 1 × SP6T, 0 Hz to 18 GHz, terminated

OSP-B124_front.jpg

R&S®OSP-B124

Order number 1515.5533.02

Description

RF Switch Module

3 x SPDT (SMA) and 2 × SP6T, 0 Hz to 18 GHz, terminated

OSP-B125_front.jpg

R&S®OSP-B125

Order number 1515.5540.02

Description

RF Switch Module

6 x SPDT (SMA) and 3 × SP6T, 0 Hz to 18 GHz, terminated

OSP-B125E_49300_02_img01.jpg

R&S®OSP-B125E

Order number 1515.5540.26

Description

RF Switch Module

6 x SPDT (SMA) and 3 × SP6T (SMA), 0 Hz to 26.5 GHz, terminated

OSP-B125H_49300_04_img01.jpg

R&S®OSP-B125H

Order number 1515.5540.40

Description

RF Switch Module

6 x SPDT (2.92 mm) and 3 × SP6T (2.92 mm), 0 Hz to 40 GHz, terminated

OSP-B126_front.jpg

R&S®OSP-B126

Order number 1515.5556.02

Description

RF Switch Module

3 × SP6T (SMA), 0 Hz to 18 GHz, terminated

OSPB129_front.jpg

R&S®OSP-B129

Order number 1517.7004.02

Description

RF Switch Module

1 × SP8T (SMA), terminated, 2 x SPDT (SMA), not terminated, 0 Hz to 18 GHz

R&S®OSP-B129E

R&S®OSP-B129E

Order number 1517.7004.26

Description

RF Switch Module

1 × SP8T (SMA), terminated, 2 x SPDT (SMA), not terminated, 0 Hz to 26.5 GHz

Special control modules for RF test systems
Product Description
OSP-PM-I_front.jpg

R&S®OSP-PM-I

Order number 1515.5985.02

Description

Passive Module

for integration of one R&S®NRP-Zxx power sensor (with USB interface)

OSPB104_front.jpg

R&S®OSP-B104

Order number 1505.5401.02

Description

EMS Module

with drivers for four external power relays, additional digital inputs/outputs, interlock

OSP-B114_front.jpg

R&S®OSP-B114

Order number 1505.4711.02

Description

EMS Module

for small systems with 1 × DPDT (N), digital inputs/outputs, interlock with SPDT

OSP-B103_front.jpg

R&S®OSP-B103

Order number 1505.5301.02

Description

Digital I/O Module

16 × digital inputs, 16 × digital outputs

OSP-B108_front.jpg

R&S®OSP-B108

Order number 1505.5718.02

Description

Multiplexer Module

6 channels, 4 wire miltiplexxer

Modules with N connector
Product Description
OSP-B106_front.jpg

R&S®OSP-B106

Order number 1505.5601.02

Description

RF Switch Module (double module width)

3 x SPDT (N), 0 Hz to 12.4 GHz, and 3 x SPDT (BNC), 0 Hz to 900 MHz

OSP-B131_img1bild.jpg

R&S®OSP-B131

Order number 1505.4740.02

Description

RF Switch Module

2 × SPDT (N), 0 Hz to 12.4 GHz

OSP-B132_front.jpg

R&S®OSP-B132

Order number 1505.4757.02

Description

RF Switch Module

6 × SPDT (N), 0 Hz to 12.4 GHz

OSP-B133_48607_06_img01.jpg

R&S®OSP-B133

Order number 1528.3157.02

Description

RF Switch Module

1 × SP6T (N), 0 Hz to 12.4 GHz, non-terminated

OSP-B136_front.jpg

R&S®OSP-B136

Order number 1522.4500.02

Description

RF Switch Module

2 × DPDT (N), 0 Hz to 12.4 GHz

Options for RF Feedthroughs
Product Description
OSP-B011

R&S®OSP-B011

Order number 1505.4763.02

Description

Module Panel

with 12 × SMA mounting holes

OSP-B012

R&S®OSP-B012

Order number 1505.4770.02

Description

Module Panel

with 4 × N mounting holes

R&S®OSP-Z010

Order number 1505.4534.02

Description

Cable Set

(4 × RF cables, N female to N female)

R&S®OSP-Z011

Order number 1505.4540.02

Description

Cable Set

(4 × RF cables, N female to SMA female)

R&S®OSP-Z012

Order number 1505.4557.02

Description

Cable Set

(4 × RF cables, SMA female to SMA female)

Accessories
Product Description
R&S®ZZA-KNA21 19" rack adapter, 2 RU for R&S®OSP220, R&S®OSP230

R&S®ZZA-KNA21

Order number 1177.8026.00

Description

19" rack adapter, 2 RU for R&S®OSP220, R&S®OSP230

R&S®ZZA-KNA31

Order number 1177.8032.00

Description

19" rack adapter, 3 RU for R&S®OSP320

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8. Winners Selection. The draw takes place at Rohde & Schwarz headquarters, Muehldorstrasse 15, 81671 Munich.

9. Winner Notification. The winners of each of the prizes will be informed by e-mail within five (5) working days. The participant that is selected as winner of the prize shall inform Rohde & Schwarz about the acceptance of the price. In case of the denial of the acceptance, or no answer within two (2) weeks, a new winner will be drawn. If no winner can be determined within four (4) weeks, the draw ends and the prize forfeit.

10. Limitation of Liability. By entering, entrants release and hold harmless Rohde & Schwarz and its respective parents, subsidiaries, affiliates, directors, officers, employees and agents from any and all liability or any injuries, loss, or damage of any kind arising from or in connection with this Draw or with any prize awarded. No cash equivalent or exchange of prizes is allowed. Prizes are non-transferable. All taxes, levies, duties, fees and other charges levied in the participant´s country shall be borne by the participant.

11. Internet. If for any reason the Internet portion of the Draw is not capable of running as planned, including infection by computer virus, bugs, tampering, unauthorized intervention, fraud, technical failures, or any other causes beyond the control of R&S or its third-party providers that corrupt or affect the administration, security, fairness, integrity or proper conduct of this Draw, R&S reserves the right, at its sole discretion, to cancel, terminate, modify, or suspend the Draw, and to disqualify any individual who tampers with the entry process.

R&S assumes no responsibility for any error, omission, interruption, deletion, defect, delay in operation or transmission, communications-line failure, theft, or destruction or unauthorized access to, or alteration of, entries. R&S is not responsible for any problems or technical malfunction of any telephone network or lines, computer online systems, servers or providers, computer equipment, or software, or for failure of any email or entry to be received by Rohde & Schwarz on account of technical problems or traffic congestion on the Internet or at any Web site, or any combination thereof, including any injury or damage to participant's or any other person's computer related to or resulting from participation or downloading any materials in this Draw.

12. General Conditions.

a. Entrants agree to abide by the terms of these official rules and by the decisions of R&S, which are final and binding on all matters pertaining to this Draw. Any Participant who does not comply with these Terms & Conditions may be disqualified by R&S from this Draw. In such cases, prizes can also be withdrawn retrospectively. In case a prize is withdrawn retrospectively due to the non-compliance with these Terms & Conditions, it shall be returned by the respective participant at his cost to R&S’ address mentioned under Nr.1 and a new winner will be drawn. The draw and any contractual relationship arising therefrom between R&S and the respective participant shall be governed by and construed in accordance with the laws of Germany, without any recourse to the conflict of laws. The courts of Munich, Germany, shall have exclusive jurisdiction in case of any disputes arising directly or indirectly from the participation in this Draw.

b. Income Taxes: A U.S. winner will need to supply to R&S their Social Security Number for a 1099 for the total value (Current estimate is approximately $1,540) to be issued. Any winner is solely responsible for any and all tax liability/responsibility for this. R&S is not responsible for any taxes or tax implications to or of the winner associated with Draw winnings.

13. Winner Information. For the names of the winners, send a self-addressed stamped envelope to Rohde & Schwarz USA, Inc. at 6821 Benjamin Franklin Drive, Columbia, MD 21046.

ATTN: Winner – Rohde & Schwarz’ 10 years Rohde & Schwarz oscilloscopes Draw. Requests received after January 1, 2021, will not be fulfilled.