Philips M4841A TRx Telemetry Transmitter

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Manufactured by: Philips

Category: Telemetry Monitors

Philips Philips M4841A TRx Telemetry Transmitter

Philips M4841A TRx Telemetry Transmitter


Making More Monitored Patients Mobile


The Philips M4841A TRx Telemetry Transmitter is a pocket-sized device that enhances patient mobility while maintaining high standards of monitoring. Designed with a cable-less structure, this lightweight transmitter minimizes clutter, allowing healthcare professionals to prioritize patient care and movement throughout their facilities. It delivers accurate and reliable near-real-time transfer of vital signs directly to the information center, ensuring optimal patient monitoring.
This versatile device comes in two variants: the TRx+ with ECG and SpO2 monitoring, and the TRx with ECG-only monitoring. This adaptability makes the M4841A suitable for various clinical environments. Equipped with a rechargeable Lithium-ion battery, it eliminates the hassle of frequently replacing disposable batteries, promoting sustainability and efficiency in healthcare operations. The transmitter operates within the FCC allocated radio bands of 1395-1400 MHz and 1427-1432 MHz, ensuring a secure signal for seamless patient monitoring.

Key Features


  • Smart Hopping Technology: Automatically locates the strongest available signal for enhanced patient communications, irrespective of their location.
  • Bi-Directional Data Communication: Utilizes Cellular WMTS infrastructure to facilitate two-way communication between the telemetry device and the IntelliVue Information Center.
  • Wireless Telemetry as a Parameter (WTAAP): Expands monitoring capabilities, providing untethered in-room access to ECG and SpO2 data with near-real-time updates.
  • Integrated Rechargeable Battery: Enjoy prolonged use without the need for frequent battery replacements, thanks to its efficient Lithium-ion battery.
  • FAST-SpO2 Technology: Features Fourier Artifact Suppression Technology for reliable measurements, along with a sensor LED indicator that confirms successful monitoring.
  • Battery Gauge and Alerts: Monitor battery levels easily with the built-in gauge, and receive out-of-range audible alerts to ensure continuous monitoring.
  • Auto-Resume Functionality: Automatically resumes monitoring when the device returns within network range, ensuring uninterrupted patient care.
  • Configurable Volume Levels: Tailor the volume settings for alerts to fit the environment.

Elevate your patient monitoring capabilities with the Philips M4841A TRx Telemetry Transmitter, where mobility meets cutting-edge technology in healthcare.
Philips M4841A TRx Telemetry Transmitter Specifications

  • Dimensions:
  • Length: 5.9 inches (150 mm)
  • Width: 3.5 inches (89 mm)
  • Height: 1.4 inches (36 mm)

  • Weight:
  • 0.75 lbs (340 g)

  • Power Supply:
  • Battery: Rechargeable Lithium-ion
  • Operating Time: Up to 24 hours

  • Frequency Range:
  • 2400 to 2483.5 MHz

  • Transmission Power:
  • 10 mW

  • Modulation Type:
  • Frequency Hopping Spread Spectrum (FHSS)

  • Data Transmission Rate:
  • 1000 samples per second

  • Input Channels:
  • Up to 4 channels

  • ECG Leads:
  • 3-lead (Lead II, Lead III)
  • 5-lead compatible

  • Temperature Measurement:
  • Range: 32°F to 113°F (0°C to 45°C)

  • Operating Temperature:
  • 32°F to 122°F (0°C to 50°C)

  • Storage Temperature:
  • -4°F to 140°F (-20°C to 60°C)

  • Humidity Range:
  • 0% to 95% non-condensing

  • Compliance:
  • FDA approved
  • IEC 60601-1 compliant

  • Connectivity:
  • Wireless transmission to central monitoring station

  • Accessories:
  • Includes electrodes and a mounting clip

  • Additional Features:
  • Lightweight design
  • Audible alarm and visual indicators for operation status

This summary provides key specifications for the Philips M4841A TRx Telemetry Transmitter, reflecting its features and capabilities for cardiac monitoring.

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