| WT-200 - Personal RF Hearing Device |
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Download the WT-200 Personal RF Hearing Device brochure
With the new development of a narrow band technique this Personal RF Hearing Device increases channel quantity and reduces interference.
Fully compatible for use with the IR-568/89/87 Infrared systems.
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Specifications & features
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| WT-200 - Overall system |
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| Specification |
Value |
| Oscillation type |
PLL synthesized |
| Carrier frequency range |
863~865 MHz |
| Preprogrammed channels |
40 channel selectable |
| Frequency response |
400~4 kHz |
| Dynamic range |
> 70 dB |
| Operating temperature |
-10~50 °C |
| THD |
3% |
| Battery |
1.2V AA NiMH rechargeable batteries (1300mAh) x 2 pieces
1.5V AA Alkaline x 2 pieces |
| Transmission / Reception range |
2~50 metres (open field) |
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- More Channels : 40 Ch./ 863 ~ 865 MHz
- LCD Screen : showing operated channels
- Easy to Operate
- Compact & Lightweight
- More Affordable
- 5 year warranty
- Fully compatible for use with the IR-568/89/87 Infrared systems
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| WT-200 - Personal RF Hearing Device Receiver |
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| Specification |
Value |
| Receiving mode |
PLL single-channel receiving |
| Sensitivity |
4 µV @ 20dB SINAD |
| Audio level |
1100 mV @ 2.4 V |
| RF spurious rejection |
60 dB |
| Adjacent channel performance |
60 dB @100KHz |
| Double intermediate |
21.4 MHz / 455 kHz |
| Antenna |
Built-in antenna |
| Earphone connector |
3.5 mm jack socket, for mono or stereo |
| Battery life Alkaline disposable |
> 21 hours typical (3AA*2) |
| Battery life Ni-HM Rechargeable |
19 hours typical (1300 mAH) |
| Dimensions (D×W×H) |
23.1 * 66.2 * 94.5 mm |
| Weight |
126g (batteries included) |
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- LCD display : STN / 2 digits
- LED indicator : Power on is light red color
- Auto power off : when it is not received signal after 30 minutes
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| WT-200 - Personal RF Hearing Device Transmitter |
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| Specification |
Value |
| Oscillation type |
PLL synthesized controlled Oscillator |
| RF Power |
10 mW (according to regulations) |
| Spurious Emission |
250 nW |
| Microphone |
In-built Electrical condenser |
| Antenna |
Flexible antenna |
| Channel Spacing |
50 kHz |
| Audio frequency response |
300 Hz to 5 kHz |
| Maximum modulation |
+/- 8 kHz within level limiting |
| THD |
2.5 %typical at rated deviation/1 kHz |
| Operating range |
50 ~ 70 Meter (on open field) |
| Operating temperature |
-10 degree to + 55 degree |
| Audio input |
Mic input and built-in mic |
| Battery life Alkaline disposable |
> 15 hours typical (3AA*2) |
| Battery life Ni-HM Rechargeable |
14 hours typical (1300 mAH) |
| Dimension (D×W×H) |
23.1 * 66.2 * 94.5 mm (w/o antenna) |
| Weight |
123g (batteries included) |
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- LCD display : STN / 2 digits
- LED indicator : Power on is light red color
- Auto power off : when it is not sound input after 30 minutes
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