SI4721-B20-GM

Part No :: SI4721-B20-GM

Manufacturer: Silicon Labs

VIGOR # :: 4073606

Description: IC RF TXRX VHF 20UFQFN

Catalog: RF Transceiver ICs

DataSheet: SI4721-B20-GM PDF

Country of origin: -

Date code: -

SI4721-B20-GM Specifications

Type	Description
Series:	-
Package:	Tray
Part Status:	Active
Type:	TxRx Only
RF Family/Standard:	VHF
Protocol:	FM Radio
Modulation:	-
Frequency:	76MHz ~ 108MHz
Data Rate (Max):	-
Power - Output:	-
Sensitivity:	-
Memory Size:	-
Serial Interfaces:	I²S, SPI
GPIO:	3
Voltage - Supply:	2.7V ~ 5.5V
Current - Receiving:	16.8mA ~ 19.8mA
Current - Transmitting:	18.3mA ~ 18.8mA
Operating Temperature:	-40°C ~ 95°C
Mounting Type:	Surface Mount
Package / Case:	20-UFQFN Exposed Pad
Supplier Device Package:	20-QFN (3x3)

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

TT in advance (bank transfer), Credit Card, PayPal can be chosen.
Cash transfer only. (Transfer with checks and bills are not accepted.)
Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
If you need the detailed invoice or tax ID,please email us.

FedEx, DHL, and UPS can be selected.
You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 393

Shipped from

HK warehouse

Expected Shipping Date

Jan 03 - Jan 07 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price
1	~~$13.42~~	~~$13.42~~
25	~~$12.93~~	~~$323.18~~
100	~~$12.43~~	~~$1 243.00~~
1000	~~$5.36~~	~~$5 356.20~~

Current price of SI4721-B20-GM is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

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