speakable receiver wireless tour guide system TG 900 series

Product Overview

Description

UHF Two way tour guide system TG-900

 

 

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Main features of two way tour guide system

• Full duplex wireless tour guide system speaker wear the master device, and visitors wear slave devices.


• Speaker and visitor could talking simultaneously, and other visitors will hear their talking.


• Each visitor could speaking by pressing “PTT”button of the slave device.


• The master device with "hang up" function, it could hang up the slave device which is speaking.


• Both master device and slave device built in high quality microphone.


• Easy to use, just need to connect earphone.


• UHF band, PLL synthesized design.         


• 128*64 dot matrix double-color OLED display.


• OLED display frequency, volume, microphone garn, battery, RF level, Audio level and overload prompt.


• Display of frequency, volume, battery, RF level, Audio level and microphone gain.


• Welcome LOGO display can be custom made.


• High performance double-IF circuit design.


• Adopt multi-stage high performance RF saw filter, high anti-interference performance to ensure mutiple channels can be used simultanously without interference.


• Built-in high performance audio compander, crystal sound like CD.


• 8 steps of RF signal strength display.


• 8 steps of audio level display, and audio overload prompt.


• 16 levels of digital volume control.


• 21 levels of squelch sensitivity control.


• 21 levels of microphone gain control, setting range as 0~+20dB.


• Quick mute function of microphone.


• Slave device with automated shutdown function.


• Wear by lanyard.


• High capacity lithium-ion battery, continuous operating time is more than 10 hours.


• Operating range is more than 100m (line-of-sight).

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Application

 

 

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Charging and Disinfection

 

 

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System Specification of two way tour guide system 

RF Carrier Frequency Range	UHF 780-800MHz / 850-870MHz
Oscillation Type	PLL Synthesized
Tunable Steps	25KHz
Frequency Stability	±0.005%(0~50)℃
Modulation	FM ± 45KHz deviation, compander system with pre-and de-emphasis
Intermediate Frequency(IF)	Double-IF 110.6MHz/10.7MHz
Image Rejection	>100dB
Spurious Rejection	>100dB
Audio Frequency Response	50~15000Hz±3dB
Total Harmonic Distortion	<0.5%@1KHz ±45KHz modulation
Signal-to-Noise Ratio	>90dB(A)
RF Power Output	10mW
Harmonic Suppression	>80dB
Audio Output	3.5mm stereo
Volume Control	16 steps digital volume control
Built-in Microphone	Φ9.7mm,unidirectional
Microphone Gain	0dB~+20dB(step=1dB,21 steps)
Display Screen	OLED 128*64 dot matrix Double Color
Power Supply	Built-in Lithium ion polymer battery,3.7v/1020mAh
Operation Time	About 10 hours
Operating Temperature	-10~60℃
Dimension	138*49*16mm
Weight	65g(With battery)
Operating Range	>100m (Environment dependent)

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Optional Accessories of two way tour guide system

SA-215 Single-side Earphone	SA-62 Earphone	SA-51 Headphone	T-205 Necklooop	SA-120B Headset Mic
SA-61M Headset Mic	SA-95 Pedestal	SC-02B 2-Slots Charger	SC-100A 100-Slots Charger	SCB-816D 24-Slots Charging/Disinfection Case