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PCF7941ATSM2AB120,

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PCF7941ATSM2AB120,

IC REMOTE KEYLESS ENTRY 20SSOP

Manufacturer: NXP USA Inc.

Categories: RF Transmitters

Quality Control: Learn More

NXP USA Inc. presents the PCF7941ATSM2AB120, an advanced RF Transmitter designed for secure remote keyless entry systems. This component operates across multiple UHF frequencies, including 315MHz, 434MHz, and 868MHz, supporting both ASK and FSK modulation schemes. It features a powerful PLL frequency synthesizer and integrated Power Amplifier (PA), delivering a robust 9.8dBm output power. The PCF7941ATSM2AB120 facilitates a data rate of up to 4.8kbps via its RS232 interface, enabling efficient communication for command and control functions. With a supply voltage range of 2.1V to 3.6V, it is suitable for a wide array of automotive and general-purpose applications requiring reliable wireless command transmission. The device is supplied in Tape & Reel (TR) packaging.

Additional Information

Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:
Technical Details:
FeaturesPLL Frequency Synthesizer and PA
PackagingTape & Reel (TR)
Package / Case-
Mounting Type-
Frequency315MHz, 434MHz, 868MHz
Memory Size-
Modulation or ProtocolASK, FSK, UHF
Data InterfaceRS232
Operating Temperature-
Voltage - Supply2.1V ~ 3.6V
Power - Output9.8dBm
ApplicationsGeneral Purpose
Data Rate (Max)4.8kbps
Current - Transmitting-
Antenna ConnectorNot Included
Supplier Device Package-
ProgrammableNot Verified

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NXP Semiconductors manufactures mixed-signal, analog, and embedded semiconductor components focused on secure connectivity and intelligent systems.

NXP’s core components include:

  • Microcontrollers (MCUs) and microprocessors (MPUs)
  • Automotive semiconductors (ADAS, radar, in-vehicle networking)
  • RF and wireless communication chips (including NFC and UWB)
  • Secure identification and authentication ICs
  • Power management and analog ICs
  • Sensors and interface solutions

NXP specializes in secure, connected solutions for automotive, industrial, and IoT applications.

NXP serves industries that require secure connectivity, embedded processing, and real-time control.

NXPs key industries include:

  • Automotive and electric vehicles (EVs)
  • Industrial automation and smart factories
  • Internet of Things (IoT) and smart devices
  • Mobile and secure identification (payments, access control)
  • Communications and networking infrastructure
  • Smart cities and infrastructure

These industries rely on NXP for security, connectivity, and high-reliability embedded solutions.

NXP is known for embedded processing, secure connectivity, and automotive semiconductor product lines.

Key NXP product lines include:

  • i.MX series - application processors for industrial and multimedia applications
  • MPC5500 - microcontrollers for automotive and industrial control applications
  • M68HC11- 8-bit microcontrollers for legacy embedded control systems
  • Layerscape processors - networking processors for communications infrastructure
  • Kinetis MCUs - scalable microcontrollers for industrial and IoT applications
  • LPC series - ARM-based microcontrollers for embedded systems
  • S32 automotive platform - processors and MCUs for automotive applications
  • PN series (NFC controllers) - near-field communication solutions
  • SR series (secure elements) - security ICs for authentication and payments
  • TEA series - power management ICs
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After we receive your request submission, one of our account executives will reach out to your team to gather more information about your project requirements and ensure we tailor the order to your needs.

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