90 Hours Working Time Wireless MP3 Audio Transmitter Receiver Radio Tour Guide System
Product Description
Function：
50 series work as normal radio tour guide system, also as audio tour guide system.
50MT transmitter is radio transmitter and audio player / transmitter.
With 50MT transmitter, tour guide / speaker can talk to the listeners,
and play recorded audio to the listeners in a distance of 150 meters.
Parameters:
50MT Transmitter parameters | 50R Receiver parameters |
Carrier frequency: UHF | Carrier frequency: UHF |
Number of channels: 48; Capacity: 14.5G | Number of channels: 48 |
Channel interval: 1MHz | Channel interval: 1MHz |
Transmitting power: 18dBm(max) | Receiving sensitivity: -100db |
Working current: 210mA | Working current: 15mA |
Charging current: 400mA | Charging current: 250mA |
Output interface: 3.5mm | Working time: 20 hours |
Battery: 2000mAH | Battery: 300mAH |
Size: 93*52*16mm; Weight: 110g | Size: 60*22*11.5mm |
Working time: 10 hours | Weight: 18g |
Working distance: >150 meters | Working distance: >150 meters |
51R Receiver parameters | 55R Receiver parameters |
Carrier frequency: UHF | Carrier frequency: UHF |
Number of channels: 48 | Number of channels: 48 |
Channel interval: 1MHz | Channel interval: 1MHz |
Receiving sensitivity: -100db | Receiving sensitivity: -100db |
Working current: 40mA | Working current: 15mA |
Signal to noise ratio: 100dB | Charging current: 400mA |
Battery: 350mAH | Battery: 1500mAH |
Diameter: 45mm; Weight: 18g | Working time: 90 hours |
Working time: 20 hours | Size: 93*52*16mm |
Charging / low power: light flashing | Weight: 68g |
The farthest distance: >150 meters | Working distance: >150 meters |