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| Part Number | RI-TRP-RFOB-30 | RI-TRP-WFOB-30 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Product Status | Obsolete | Obsolete | 
| Style | Key FOB | Key FOB | 
| Technology | Passive | Passive | 
| Frequency | 134.2kHz | 134.2kHz | 
| Memory Type | Read Only | Read/Write | 
| Writable Memory | - | 80b (User) | 
| Standards | ISO 11784, ISO 11785 | ISO 11784, ISO 11785 | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Size / Dimension | 10.50mm Dia x 37.50mm | 10.50mm Dia x 37.50mm |