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Siemens 6GT2812-0GB08 SIMATIC RF650 RF650A Circular Polarized UHF RFID Antenna
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- Description
The Siemens 6GT2812-0GB08 is a SIMATIC RF650A circular-polarized UHF RFID antenna for the SIMATIC RF600 reader family, covering 865 to 928 MHz with 4 dB gain and a 90-degree horizontal by 76-degree vertical beamwidth. Housed to IP65 in a 198 x 198 x 60 mm Pocan enclosure with an RP-TNC connector, it operates from -25 degrees C to +75 degrees C.
Technical Specifications
| SKU | 6GT2812-0GB08 |
| Brand | Siemens |
| Series | SIMATIC RF650 (RF600) |
| Product Type Designation | Antenna RF650A |
| Transmission Frequency | 865 to 928 MHz |
| Antenna Gain | 4 dB (circular radiation) |
| Polarization | Circular |
| Impedance | 50 Ohm |
| VSWR (max) | 1.45 |
| Radiating Angle | 90 deg horizontal, 76 deg vertical |
| Connector | RP-TNC, male |
| Material | Pocan |
| Color | Pastel turquoise |
| Max Tightening Torque | 2 Nm |
| Ambient Temperature (operation) | -25 to +75C |
| Ambient Temperature (storage/transport) | -40 to +85C |
| Protection Class | IP65 |
| Shock / Vibration | 300 m/s2 shock, 100 m/s2 vibration |
| Dimensions (W x H x D) | 198 x 198 x 60 mm |
| Net Weight | 680 g |
| Mounting | 4x M4 screws, VESA 100, optional articulated bracket |
| Country of Origin | Germany |
Selection Notes
At 4 dB gain and a wide 90 by 76 degree beamwidth, the RF650A trades reach for coverage area, so it suits close-range portals and tunnels where tags pass at varied angles rather than a long, narrow read corridor. Its IP65 rating covers dust and splash exposure; enclosures or washdown areas with direct high-pressure spray call for the higher-gain, higher-IP antenna in the family instead. The RP-TNC connector matches the antenna ports on the RF600 reader family directly, with cable runs up to 40 m.