Beijing Heweiyongtai Sci & Tech Co., Ltd.
| Payment Terms | T/T, T/T |
| Supply Ability | 300 kits per month |
| Delivery Time | 10-30 working days |
| Packaging Details | carton package, 30*25*15cm |
| Power of Signal | 1mW |
| Frequency of Swing | @1KHz,6 Db (attenuation) @300Hz,15 Db |
| Channel Attenuation Separation | >40 Db |
| Stereo Balance Control | ±10 Db |
| Non-linear Harmonic Distortion Coefficient | >0.5% |
| Range of Amplifier Dynamic | >60 Db |
| Power Wastage (50% Volume) | 25mA |
| Battery | 4×1.5V AA battery |
| External (PSU N/A) | 9~12V @mA supply power |
| Headset | 0.6Watt, 300 Ohms |
| Dimension (mm) | 128×99×23 |
| Weight | About 0.5kg |
| Brand Name | HEWEI brand |
| Model Number | No |
| Certification | YES |
| Place of Origin | Made-in-China |
View Detail Information
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Product Specification
| Payment Terms | T/T, T/T | Supply Ability | 300 kits per month |
| Delivery Time | 10-30 working days | Packaging Details | carton package, 30*25*15cm |
| Power of Signal | 1mW | Frequency of Swing | @1KHz,6 Db (attenuation) @300Hz,15 Db |
| Channel Attenuation Separation | >40 Db | Stereo Balance Control | ±10 Db |
| Non-linear Harmonic Distortion Coefficient | >0.5% | Range of Amplifier Dynamic | >60 Db |
| Power Wastage (50% Volume) | 25mA | Battery | 4×1.5V AA battery |
| External (PSU N/A) | 9~12V @mA supply power | Headset | 0.6Watt, 300 Ohms |
| Dimension (mm) | 128×99×23 | Weight | About 0.5kg |
| Brand Name | HEWEI brand | Model Number | No |
| Certification | YES | Place of Origin | Made-in-China |
| High Light | 1mw listen through wall device ，4×1.5V battery listen through wall device ，1KHz listen through wall device | ||
Listen Through Wall Device
Description
This two power transducers listen through wall device is the most updated one in similar products nowadays, which can give listener the clearest audio information they are going to know. This is a special amplifier that will pick up the slightest noise through solid objects like a wall, so you can listen to what is happening on the other side. The contact microphone is a ceramic pin specially developed for converting vibration into audible noise. It has two powerful transducers together comprise an exceptional monitoring device to enable police, prison and so on.
Specification
| Power of Signal | 1mW |
| Frequency of Swing: | @1KHz,6 Db (attenuation) @300Hz,15 Db |
| Channel Attenuation Separation | >40 Db |
| Stereo Balance Control | ±10 Db |
| Non-linear Harmonic Distortion Coefficient | >0.5%
|
| Range of Amplifier Dynamic | >60 Db |
| Power Wastage (50% Volume) | 25mA |
| Battery | 4×1.5V AA battery |
| External (PSU N/A) | 9~12V @mA supply power |
| Headset | 0.6Watt, 300 Ohms |
| Dimension (mm) | 128×99×23 |
| Weight | About 0.5kg |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2008
Employee Number:
100~200
Ecer Certification：
Active Member
About Us Beijing Heweiyongtai Sci & Tech Co., Ltd. was established in the beginning of 2008. We are a hi-tech enterprise specializing in supplying and trading Security Inspection equipment, EOD equipment, Anti-terrorism equipment, Intelligence device, etc. Our products are... About Us Beijing Heweiyongtai Sci & Tech Co., Ltd. was established in the beginning of 2008. We are a hi-tech enterprise specializing in supplying and trading Security Inspection equipment, EOD equipment, Anti-terrorism equipment, Intelligence device, etc. Our products are...
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