Bluetooth Class 1 and Class 2 modules
| Manufacturer | RAYSON |
| Supply voltage range | 3...3.3 V DC |
| Bluetooth variant | 2.0 EDR |
| Operating temperature | -40...85°C |
| Fitting | SMD |
| Symbol |
Communications module |
Interface |
| BTM-112 |
Bluetooth class 2 module |
PCM; UART; USB |
| BTM-222 |
Bluetooth class 1 module |
PCM; UART; USB |
| BTM-330 |
Bluetooth class 2 module |
UART; USB |
| Symbol: BTM-112 |
| Receiver sensitivity | -80 dBm |
| Transmitter output power | 4 dBm |
| Communictions protocol | SPP |
| Range | 100 m |
| Body dimensions | 25 x 14.5 x 2.2 mm |
| Symbol: BTM-222 |
| Receiver sensitivity | -86 dBm |
| Transmitter output power | 18 dBm |
| Communictions protocol | SPP |
| Range | 10 m |
| Body dimensions | 28.2 x 15 x 2.8 mm |
| Symbol: BTM-330 |
| Receiver sensitivity | -80 dBm |
| Transmitter output power | 4 dBm |
| Communictions protocol | HCI |
| Range | 100 m |
| Body dimensions | 14.5 x 12.5 x 2.2 mm |