| PartNumber | TRF4903PWG4 | TRF4903PWR | TRF4903PW |
| Description | RF Transmitter 315-915MHz ISM Band RF Transmitter | RF Transmitter 315-915MHz ISM Band RF Transmitter | RF TX IC FSK 315/433MHZ 24TSSOP |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | RF Transmitter | RF Transmitter | - |
| RoHS | Y | Y | - |
| Type | Transmitter | Transmitter | - |
| Operating Frequency | 928 MHz | 928 MHz | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Package / Case | TSSOP-24 | TSSOP-24 | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Packaging | Tube | Reel | - |
| Supply Voltage Max | 3.3 V | 3.3 V | - |
| Supply Voltage Min | 2.5 V | 2.5 V | - |
| Frequency Range | 304 MHz to 316 MHz, 430 MHz to 450 MHz | 304 MHz to 316 MHz, 430 MHz to 450 MHz | - |
| Series | TRF4903 | TRF4903 | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Product Type | RF Transmitter | RF Transmitter | - |
| Factory Pack Quantity | 60 | 2000 | - |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | - |
| Unit Weight | 0.003175 oz | 0.003266 oz | - |