Transmitter built in a telephone wire relay socket.
KMT-850


Outline
  • Only while are used by connecting with an outdated rosette box and using the telephone, the electric wave of UHF is sent. In response to the electric wave, all the contents of the conversation of a telephone can be heard with a receiver.
  • For receiving, the receiver (KUR-400) of exclusive use and the receiver of commercial many channels is used.
  • A receivable distance is about 150m.
  • It can be heard in the place about 1km away using relay equipment (RP-300A).
  • It can record automatically by exclusive automatic recorder (KKCR-360) or by using the recording code of exclusive receiver(KUR-400) attachment to the recorder with a commercial voice starting recording function. Since it can be collectively heard when later required, it is very convenient.
Directions
  • Since the connection with telephone is connection of the system stopped on a screw, the rosette box of outdated telephone uses KMT-850 in that case. The line which connects the line of KMT-850 with the screw terminal in a rosette box from telephone is removed, and it changes there. The code of telephone puts and carries out changing into a lump formula etc.
  • Since there are three kinds of channels when hearing it with a receiver, it is not audible unless the channel is correct. The attainment distance of an electric wave is 30 or about 150m. It changes according to the situation of the place to install and the place to receive. In a building, distance becomes short.
  • An exclusive receiver (KUR-400) is used for receiving. Commercial UHF band Although a multi-channel receiver can also be used, tone quality is bad or receiving distance becomes short.
  • When you make it automatic recording, please be sure to carry out a check of operation. It changes into the state where the weather report etc. is heard, there is no noise in a receiver, and it checks whether it is finely audible. After that, a receiver and a recorder are connected in recording code of receiver attachment, and the recording button of a sound starting system is pushed. Subsequently, it checks whether a telephone is hung up and the recording of a recorder has stopped. If the newest IC recorder is used, a part for 10 hours can be recorded continuously, and what was moreover taken in and saved in the personal computer can also be reproduced and heard.
  • Please use an exclusive automatic recorder (KKCR-360) as you become about a decipherment of a telephone number in the case of a premise. In the case of a commercial recorder, it may be undecipherable enough.
Specification of KMT-850
        Transmitter built in a telephone wire relay socket.
            (it sends electric wave only at the time of telephone use)
        Moduratin system Narrow-band frequency modulation
            (maximum frequency deviation +- 10Khz)
        Dispatch output of an electric wave 3mW or less
        Dispatch frequency Three kinds
            A channel 398.605Mhz
            B channel 399.455Mhz
            C channel 399.030Mhz One either
        Outside size 37x27x25mm
        Weight About 10g
Notes
  • This device cannot be used for a business phon. Although an obstacle is not generated at all in a circuit, when you use, please use on the responsibility of yourself. Be careful enough not to become infringement of privacy.
  • Please do not attach a magnet in a main part. An electric wave does not become weak or it stops coming out..