2.4G Digital Wireless System
| Module | Item | Min | Typ | Max | Unit | Note |
|---|---|---|---|---|---|---|
| Receiver | Supply voltage | 4.5 | 5 | 5.5 | V | From computer USB port |
| Operating current | 55 | 65 | 85 | mA | FOR 5V DC IN. | |
| Handset | Supply voltage | 2 | 3 | 3.3 | V | From computer USB port |
| Operating current | 90 | 110 | 130 | mA | For 2AA battery=3V Typcurrent=110mA2AA battery=2V,Maxcurrent=140mA | |
| Handset & Receiver | Operation Temperature | -25 | 26 | 85 | ℃ |
| Module | Item | Min | Typ | Max | Unit | Note |
|---|---|---|---|---|---|---|
| Handset & Receiver | Frequency range | 2400 | - | 2483 | MHz | ISM band |
| Available channel | 80 | Adaptive frequency hopping scheme | ||||
| -20dB bandwidrh | 3.5 | 4 | MHz | |||
| Handset Output power | 15 | 17 | dBm | Peak power at antenna port | ||
| Receiver output power | -25 | 26 | 85 | dBm | Peak power at antenna port | |
| Sensitivity | -88 | -86 | -83 | dBm |
| Item | Min | Typ | Max | Unit | Note |
|---|---|---|---|---|---|
| SNR | 87 | dB | ＠1KHz | ||
| THD+N | -80 | dB | ＠1KHz | ||
| FSOV(Vpp) | 85 | ＠1KHz | |||
| Handset & Receiver | 3300 | mV | ＠-58Db THD+N | ||
| Handset & Receiver | 20 | - | 22000 | HZ | 1 dB ripple |
| Handset & Receiver | 80 | 86 | dB | ＠1KHz |
| Item | Min | Typ | Max | Unit | Note |
|---|---|---|---|---|---|
| SNR | 87 | dB | ＠1KHz | ||
| THD+N | 0.3 | % | ＠1KHz | ||
| Dynamic Range | 85 | ＠1KHz | |||
| FSIV | 2000 | mV | ＠-58Db THD+N |