SI4461-B1B-FM
SI4461-B1B-FM is a high-performance Sub-GHz transmitter with a sensitivity range of +16 to -116 dBmSI4461-B1B-FM
SI4461-B1B-FM is a high-performance Sub-GHz transmitter with a sensitivity range of +16 to -116 dBm
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Manufacturer Part # : SI4461-B1B-FM
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Package/Case: QFN-20
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Part Status : NRND
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Brand: Silicon Labs
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Series : SI4461
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RoHS:
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.






Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.








About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

Example

Tape and Reel

Cut Tape

Tube or Tray
SI4461-B1B-FM DataSheet
Pricing (USD)
Quantity | Unit Price | Ext. Price |
---|---|---|
1 | $4.285 | $4.28 |
200 | $1.659 | $331.80 |
490 | $1.600 | $784.00 |
980 | $1.573 | $1,541.54 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Interested Parts
SIP4461-B1B-FM Description
The SI4461-B1B-FM is a +16/-116 dBm Sub-GHz Transmitter from Skyworks/Silicon Labs, designed for reliable data transmission in a wide range of applications. This device features high power output and excellent sensitivity, making it ideal for industrial communication networks where robust performance and reliable connectivity are essential.
Features
- High Power Output: Offers +16 dBm transmission power for reliable data transfer.
- Excellent Sensitivity: Features -116 dBm receiver sensitivity, allowing optimal signal reception.
- Fast Data Rates: Supports high-speed data transmission for efficient communication.
- Low Power Consumption: Optimized for low power usage, ideal for battery-powered devices.
- Wide Frequency Range: Operates efficiently across a wide frequency range for flexible deployment.
Application
The SI4461-B1B-FM is commonly used in industrial applications that require reliable data transmission over Sub-GHz communication networks, including wireless data transmission, remote control systems, telemetry, home and building automation, automotive applications, sensor networks, industrial monitoring and control, RFID systems, security systems, medical devices.
Where to Use:
- Data transmission in noisy environments
- Remote control systems for industrial automation
- Telemetry services for real-time data transmission
- Home and building automation for IoT applications
- Automotive applications for communication systems
- Sensor networks for industrial monitoring and control
- Industrial monitoring and control for process industries
- RFCID systems for inventory management
- Security systems for real-time surveillance
- Medical devices for patient monitoring
Manufacturer
The SI4461-B1B-FM is manufactured by Skyworks/Silicon Labs, a global leader in semiconductor technology. It falls under the category of Sub-GHz Transmitters, which are designed to facilitate reliable and robust serial communication in harsh environments.
This product was developed to meet the growing demand for reliable data transmission in industrial, automotive, and building automation systems where features like high power output, excellent sensitivity, fast data rates, low power consumption, and wide frequency range are essential.
Packages
The SI4461-B1B-FM comes in an ( specify package type) package. This package is designed for surface-mount technology, offering a compact and efficient solution for integrating the transceiver into electronic circuits.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Status | Not For New Designs | Programmable | Not Verified |
Type | ISM | RF Family/Standard | General ISM < 1GHz |
Modulation | 4GFSK, GFSK, GMSK, OOK | Frequency | 119MHz ~ 1.05GHz |
Data Rate (Max) | 1Mbps | Power - Output | 16dBm (Max) |
Sensitivity | - 126 dBm | Serial Interfaces ! | SPI |
Voltage - Supply | 1.8V ~ 3.6V | Current - Receiving | 10.7mA ~ 13.7mA |
Current - Transmitting | 29mA ~ 43mA | Operating Temperature ! | -40°C ~ 85°C |
Mounting Type | Surface Mount | Package / Case | QFN-20 |
Supplier Device Package | 20-QFN (4x4) | Base Product Number | SI4461 |
Manufacturer | Silicon Laboratories | Product Category ! | RF Transceiver |
RoHS | Details | Frequency Range ! | 142 MHz to 1050 MHz |
Maximum Data Rate | 1 Mbps | Modulation Format | FSK, GFSK, GMSK, MSK, OOK |
Supply Voltage - Min | 1.8 V | Supply Voltage - Max | 3.6 V |
Supply Current Receiving | 10.7 mA, 13.7 mA | Supply Current Transmitting | 43 mA |
Output Power ! | 16 dBm | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature ! | + 85 C | Interface Type | SPI |
Brand | Silicon Labs | Mounting Style | SMD/SMT |
Number of Transmitters | 1 Transmitter | Operating Supply Voltage ! | 3.3 V |
Product Type ! | RF Transceiver | Series | SI4461 |
Factory Pack Quantity | 490 | Subcategory | Wireless & RF Integrated Circuits |
Technology | Si | Tradename | EZRadioPRO |
Unit Weight | 0.000582 oz |
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Price details
Prices listed do not include VAT.
Quantity | Unit Price |
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