The features of this wireless tour guide system:

117 channels; 195MHz-230MHz ( 72MHz-76MHz for USA market is also available).
Avoid the interference of other frequencies automatically.
The smallest and lightest.
The cleanest voice transmission.
99 IDs allow 99 groups to use simultaneously.

Technique Specifications:

Transmitter:

Frequency Range: 195MHz-230MHz
Power Supply: DC3.7V
Frequency Response: 50-18000Hz
S/N Ratio: >90dB (Typical)
Frequency Stability: +/-0.005%
Modulation Deviation: +/-75kHz
T. H. D.: <0.3% @ 1kHz
Battery type: Built-in Lithium battery
Battery life: 15 hours
Talk range: 100 meters

Receiver:

Frequency Range: 195MHz-230MHz
Power Supply: DC3.7V
Frequency Response: 50-18000Hz
S/N Ratio: >90dB (Typical)
Frequency Stability: +/-0.005%
Modulation Deviation: +/-75kHz
T. H. D.: <0.3% @ 1kHz
Battery type: Built-in Lithium battery
Battery life: 15 hours
Talk range: 100 meters

Product features:

Portable and wireless
PLL synthesized design, with high frequency stability; Digital mute-locked technology, no any interference.
Unique anti-interference circuit, avoid the interference from other frequencies automatically.
99 IDs allows 99 groups to operate simultaneously at the same place. One transmitter can carry any number of receivers.
Built-in rechargeable Lithium Battery, inner integrated circuit.
+-75K modulation bandwidth, big dynamic range for voice.
LCD display, easy to operate. Adjustable volume.
Communicating over distances of 100 meters open field.

No matter you are visiting a crowded tourist attraction, or you are visiting a noisy factory, Anders wireless tour guide system from Zhong Shan Anders Electronics Co., Ltd can help your customers hear every word clearly from the guides, leaving them a perfect impression of the visit.