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  • Audio signals transmission via twisted-pair cable has the advantage over coaxial cable, because signals are transmitted differentially, what cancel out any interferences
  • For the audio signal is the galvanic separation and the device adapts 600Ω signal impedance to twisted pair cable impedance, what guarantees audio signal transmission up to 1200 meters
  • Two devices must be used to build a complete channel for signal transmission

More details

21 other products in the same category:
Device type:Passive
Number of channels:1 AUDIO
Audio transmission range:max. 1200 m
Audio bandwidth:20 Hz ... 20 kHz
Opto-isolation between input and output:600 V
Audio input nominal level:1 V
Audio output nominal level:1 V
Coaxial socket impedance:600 Ω
Coaxial socket type:1  x CINCH Socket / Cable terminals
Symmetrical socket impedance:100 Ω
Symmetrical socket type:Cable terminals
Operation temp:-20 °C ... 55 °C
Permissible relative humidity:< 95 %
Weight:0.58 kg
Dimensions:64  x 52  x 24 mm
Manufacturer / Brand:DELTA
Guarantee:3 years



We are ship worldwide! 


1. By Estonia's post with tracking number

All international orders will be sent to you by Estonia Post (up to 5 kg) to the Europe Unioncountries. Ordered goods will be delivered to the customer’s nearest post office. Shipping  fee  you can see in the Cart


2. SmartPost

It is possible use SmartPost  terminals only in Estonia and in Finland.

Packages are generally dispatched within 5 days after receipt of payment and are shipped via Smarpost. Please contact us before choosing this method. Whichever shipment choice you make.  Shipping  fee  you can see in the Cart


If you wish to return goods, please contact our warranty department by email info (@), stating the title of "Return" and typing in the reason for the return. We accept goods only on presentation of invoice. Administrator of the shop will contact you within 3 working days, and agrees to return the goods.

If item does not fit or do not exceed customers expectations, he is entitled to return the goods within 14 working days from the day receive the goods, in accordance with the Obligations Act of Estonia to § 56 first subsection. The customer has the right to cancel the order after he has paid prepayment


1. Returned goods must be unused and in original packaging and all freight must be manufacturer's labels, including the serial number label.

2. If it is found that the goods have been used, Seller guided by the principle of reasonable use, it is mean that if buyer couldn’t test the goods without package damages, considered that the goods were not used.

3. The  software is not activated;

4. If the returned product has been damaged and this situation is caused by the Customer the non-targeted use, alteration or improper assembly or disassembly result, or the Customer's fault or negligence of the circumstances Seller reserves the right to offset the product decrease in value by the customer for the goods paid for and the recoverable amount.

5.  Customer shall bear the costs of returning the goods in the exception only if the goods had defects which were not able to detect external inspection and that has not generated the package is olened or was sent goods, which was not ordered.