無線導(dǎo)覽系統(tǒng)通常用于工廠、博物館、景區(qū)等室外空曠場所參觀時(shí)，由導(dǎo)游或主講者通過一臺便攜式無線***進(jìn)行講解，聽眾每人無線導(dǎo)覽系統(tǒng)通常用于工廠、博物館、景區(qū)等室外空曠場所參觀時(shí)，由導(dǎo)游或主講者通過一臺便攜式無線***進(jìn)行講解，聽眾每人配備一臺便攜式無線***進(jìn)行收聽。采用無線導(dǎo)覽器進(jìn)行講解有多個(gè)優(yōu)點(diǎn)。導(dǎo)游可以使用便攜式主機(jī)配套的領(lǐng)夾式麥克風(fēng)或頭戴麥克風(fēng)一對多進(jìn)行講解，無需另外配備擴(kuò)音設(shè)備，而聽眾則通過與其便攜式接收機(jī)相連的耳機(jī)，清晰地全程收聽導(dǎo)游的全部介紹內(nèi)容。
- 產(chǎn)品參數(shù)
| FrequencyRangeUHF | 925.100MHz~931.85MHz |
| ChannelSeparation | 28CH |
| FrequencyStability | &plu***n;5KHz |
| PrimaryPower | 3.5~4.2V |
- TRS-900(Tran***itter)***
| CarrierPower | 10mW |
| CurrentDrain | 60mA |
| SpuriousHarmonic | -60dB |
| AntennaImpedance | 50ohms |
| EmissionMode | F3E |
| PilotModulation | 8KHz+1KHz |
| Demension | 42(w)X15(D)X85(H)mm / 54g |
- RCV-900(Receiver)***
| Sensitivity(-20dB) | -100dBm |
| OutputPower | 105mW |
| SquelchSensitivity | -105&plu***n;6dB |
| OscilatorDropoutVoltage | 3.4V |
| BatteryDrainatMaximum | 67mA |
| ModulationFrequency | 1KHz |
| Demension | 42(w)X15(D)X85(H)mm / 54g |