| Part Number | RI-TRP-WR2B-30 | RI-TRP-DR2B-30 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | RFID Transponders, Tags | RFID Transponders, Tags | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Style | Glass Encapsulated | Glass Encapsulated | 
| Technology | - | Passive | 
| Frequency | 134.2kHz | 134.2kHz | 
| Memory Type | Read/Write | Read/Write | 
| Writable Memory | - | 1.36kb (User) | 
| Standards | ISO 11785 | ISO 11784, ISO 11785 | 
| Operating Temperature | - | -25°C ~ 85°C | 
| Size / Dimension | 3.85mm Dia x 31.20mm | 3.85mm Dia x 32.20mm |