Orpheo Tour Guide Light

更經濟實惠的團體導覽機

OTG LIGHT 無線系統專為團體導遊服務而設計，以經濟實惠的價格提供可靠的性能、更遠的傳輸距離和超輕的接收器。即使在非常吵雜的環境中，也能確保導遊和遊客獲得高品質的遊覽體驗。

系統包含發射器和接收器，是團體導覽的理想選擇。它可在發射器和一個或多個接收器之間傳送聲音。其有效工作範圍為 200 米，最多可同時使用 19 個頻道。

此系統可用於博物館、美術館、歷史古蹟、工廠及其他工業場所、動物園、主題樂園、城市觀光、公園、會議、同聲傳譯…事實上，任何組織導覽活動的場所（室內或室外）都適用。

技術參數概覽

General
● Transmitter and Receiver sold separately
● One-key frequency pairing between transmitter and receiver
● One-key shutdown of all receivers from transmitter
● One-key mute to pause audio transmission
● Receiver auto-shutdown after 20 min without signal
● Transmitter supports Bluetooth and AUX audio input
● Transmitter usable while charging (emergency use)
● Audio output: standard 3.5mm jack

Energy
● Transmitter battery: 2000 mAh Lithium Ion |autonomy 10 hours
● Receiver battery: 600 mAh Lithium Ion | autonomy 40 hours
● Transmitter charging time: 5 hours | Receiver: 3 hours
● Signal indicator on charging case for battery status
● Operating temperature: -10°C to +50°C

Radiofrequency
● Technology: UHF all-digital low-power
● Carrier frequency | EU: 823–832 / 863–865 MHz
● Carrier frequency | US: 902–928 MHz
● Number of channels: 50 (US) / 19 (EU)
● Frequency stability: 20 ppm | Channel spacing: 500 kHz
● Operating range: 200m (open field) | Transmit power: 21 dBm
● Receiver sensitivity: -92 dBm, strong anti-inteference

Audio
● Technology: UHF digital audio transmission
● Frequency response range: 20 Hz – 4 kHz
● Signal-to-noise ratio: -87 dB | Distortion: 0.01%
● Audio input (TX): microphone, AUX and Bluetooth
● Audio output (RX): 3.5mm stereo jack

Suitcase charger
● Power supply: 100V–240V AC 50Hz/60Hz
● 32 charging slots per case
● SUITCASE format with lid and carrying handle