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$139.99
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DS-989 Window Intercom, Full Duplex Window Speaker System,Loud Speaker, Connect Wireless Mic, Intercom System for Business,Medical Treatment,School, Home,Hospital, Store.
- Window two-way intercom DS-989 adopts full duplex communication technology to meet more office needs, and full duplex means that two-way signal transmission (AB and BA) can be carried out simultaneously (instantaneous). Refers to AB at the same time BA, is instantaneous synchronization, just like A car two-way street, and the traditional window walkie-talkie is A one-way street, only AB or BA.
- window two-way walkie-talkie DS-989 adopts all-metal body design for better durability. It not only has the function knob to adjust the volume, but also adds the internal and external one-button sound off function, to achieve internal and external independent volume control, reduce unnecessary mutual interference.
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window two-way intercom DS-989 microphone adopts detachable design, the microphone also uses a halo when working, full of advanced sense, and the microphone coil has been upgraded, the anti-interference ability is stronger, to avoid screaming at the same time, but also to ensure that the sound is more clear and natural, and the sound quality is better.
Window two-way walkie-Talkie DS-989, 4-PIN interface is more firm and not easy to fall off, in addition to support recording function, you can also connect external microphone devices.
Window two-way intercom DS-989 is suitable for the medical field, bank window, hospital window, post office window, securities window, embassy visa office, securities company, scenic ticket office, station, restaurant and other places, Deshun, so that communication is more convenient.
Window two-way walkie-Talkie DS-989, 4-PIN interface is more firm and not easy to fall off, in addition to support recording function, you can also connect external microphone devices.
Window two-way intercom DS-989 is suitable for the medical field, bank window, hospital window, post office window, securities window, embassy visa office, securities company, scenic ticket office, station, restaurant and other places, Deshun, so that communication is more convenient.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by B-IN Electronics Return Policy
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