| Manufacturer Part | SI4721-B20-GMR |
|---|---|
| Manufacturer | Silicon Labs |
| Description | IC RF TXRX VHF 20UFQFN |
| Category | RF, IF, RFID Components Supplier | Amplifiers, Antennas, Transceivers | Ample Chip |
| RoHS | Lead free / RoHS Compliant |
| Warranty | 365 days |
| Datasheet | SI4721-B20-GMR PDF |
| Availability | 0 pieces |
| Shipped from | HK warehouse |
| Expected Shipping | Dec 14 - Dec 18 2025 |
In Stock Min.: 1 Mult.: 1
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| Type | Description |
|---|---|
| Series: | - |
| Package: | Tape & Reel (TR) |
| 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) |
| Payment method | Hand Fee |
| Telegraphic Transfer | Request service |
| Paypal | 4% fee |
| Credit Card | 4% fee |
| Western Union | Free of charge |
| Money Gram | Free of charge |
| Shipping Type | Lead Time |
| DHL | 2-5 days |
| Fedex | 2-5 days |
| UPS | 2-5 days |
| TNT | 2-6 days |
| EMS | 3-7 days |
| Registered Air Mail | 20-35 days |
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