| PartNumber | CC1021RSST | CC1021RUZR | CC1021RUZ |
| Description | RF Transceiver Suggested Replacement: CC1120 | RF Transceiver Multichannel FSK/OOK CMOS RF Xcvr | IC RF TXRX ISM<1GHZ 32VQFN |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | RF Transceiver | RF Transceiver | - |
| RoHS | Y | Y | - |
| Type | Narrow Band | FSK/OOK | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Package / Case | VQFN-32 | VQFN-32 | - |
| Packaging | Reel | Reel | - |
| Series | CC1021 | CC1021 | - |
| Technology | Sub-1 GHz | Sub-1 GHz | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | RF Transceiver | RF Transceiver | - |
| Factory Pack Quantity | 250 | 2500 | - |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | - |
| Frequency Range | - | 402 MHz to 470 MHz, 804 MHz to 960 MHz | - |
| Supply Voltage Max | - | 3 V | - |
| Operating Temperature Range | - | - 40 C to + 85 C | - |
| Maximum Operating Frequency | - | 960 MHz | - |
| Unit Weight | - | 0.002547 oz | - |