| Options | SKU | Price |
| *Black; 0-Standard; 00-Beep on, LED red, reader flashes green on read | RDR-6121CKT00 | $206.00 |
| *Black; 0-Standard; 01-Beep off, LED red, reader flashes green on read | RDR-6121CKT01 | $206.00 |
| *Black; 0-Standard; 02-Beep on, LED off, reader flashes green on read | RDR-6121CKT02 | $206.00 |
| *Black; 0-Standard; 03-Beep off, LED off, reader flashes green on read | RDR-6121CKT03 | $206.00 |
| *Black; 0-Standard; 04-Beep on, LED red, host flash green | RDR-6121CKT04 | $206.00 |
| *Black; 0-Standard; 05-Beep off, LED red, host flash green | RDR-6121CKT05 | $206.00 |
| *Black; 0-Standard; 06-Beep on, LED off, host flash red or green | RDR-6121CKT06 | $206.00 |
| *Black; 0-Standard; 07-Beep off, LED off, host flash red or green | RDR-6121CKT07 | $206.00 |
| Charcoal Grey; 0-Standard; 00-Beep on, LED red, reader flashes green on read | RDR-6121CGT00 | $206.00 |
| Charcoal Grey; 0-Standard; 01-Beep off, LED red, reader flashes green on read | RDR-6121CGT01 | $206.00 |
| Charcoal Grey; 0-Standard; 02-Beep on, LED off, reader flashes green on read | RDR-6121CGT02 | $206.00 |
| Charcoal Grey; 0-Standard; 03-Beep off, LED off, reader flashes green on read | RDR-6121CGT03 | $206.00 |
| Charcoal Grey; 0-Standard; 04-Beep on, LED red, host flash green | RDR-6121CGT04 | $206.00 |
| Charcoal Grey; 0-Standard; 05-Beep off, LED red, host flash green | RDR-6121CGT05 | $206.00 |
| Charcoal Grey; 0-Standard; 06-Beep on, LED off, host flash red or green | RDR-6121CGT06 | $206.00 |
