Orpheo Tour Guide Light
Affordable Alternative of Group Tour Guide
The OTG LIGHT wireless system is specifically crafted for group guided tours, delivering reliable performance, extended range and ultra-lightweight receivers in an affordable solution. This ensures a high-quality tour experience for both guides and visitors, even in very noisy surroundings.
The system has transmitter and receiver devices, ideal for group guided tours. It transmits sound between a transmitter and one or more receivers. It has an operating range of 200 meters with up to 19 channels used simultaneously.
It can be used in museums, galleries, historic monuments, factories and other industrial sites, zoos, attraction parks, city tours, gardens, conferences, simultaneous translation… In fact, wherever guided tours are organized (indoors or outdoors).
Technical Overview
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
