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Video/Audio Tx/Rx & Telemetry & Remote

Video Tx/Rx

Our Video surveillance division develops video transmitters, receivers and small sized antennas, adapted to customer needs in, power and frequency. Frequencies can be obtained at 1000-1800MHz range.

The engineering and manufacturing environment meets Israeli quality standards.

  • Frequency  range               1000-1800 MHz

  • Frequency selection           1 channel

  • Frequency stability             10 PPM

  • Input voltage                      12- VDC  Nominal ( Range 9-16  Volt)

  • Output power                     500 m watt

  • Power consumption           1.8 Watt        

  • Output impedance             50 ohm

  • Modulation type                 FM

  • Carrier deviation                5 MHz @ 1vpp

  • Harmonic Suppression &

  • Spurious                            >25dbc

  • Output VSWR                    <2:1

  • Antenna mismatch             NO damage

  • DC reverse protection        Yes

  • Dimension                          40x28x13 mm  (not include connector) 

  • Housing                              Aluminum

  • Video input impedance      75 ohm

  • Video voltage level            1 vpp

  • Frequency response         100Hz-5.5 MHz+1.5dB

  • Linearity                             +2%

Audio Tx/Rx

Our audio surveillance division develops audio transmitters, receivers and antenna tiny sizes, adapted to customer needs in, power and frequency. Frequencies can be obtained at 433 - 434 MHz range.

The engineering and manufacturing environment meets Israeli quality standards.

  • Frequency  range                       433-434 MHz

  • Frequency selection                   1channels

  • Frequency stability                     10 PPM

  • Input voltage                               3-16- VDC 

  • Output power                              1-2 W

  • Power consumption                     2-3 Watt  

  • Output impedance                       50ohm

  • Modulation type                           True FM, NFM

  • Carrier deviation                           10kHz  Max

  • Harmonic Suppression &

  • Spurious                                       >25dbc

  • Output VSWR                               <2:1

  • Antenna mismatch                        NO damage

  • DC reverse protection                   Yes

  • Housing                                         Aluminum

  • Frequency response                     300Hz-4KHz +1.5dB

  • Linearity                                        +2%

  • Operating ambient temperature   -10 to +70 C 

  • Storage temperature                    -40 to +80 C

  • Vibrate                                          2g RMS (by customer)

Telemetry & Remote

TWRC

 

Short Description: Two-Way Remote Control Unit

When Reliability is a matter of life or...
Automatic and continuous check for two-way communication link. Continually check open/short indication before operation.

 

Main Features:
Based on advanced Two Way Digital Modem.
Frequency - 902 MHz – 928 MHz (optional 433 MHz)
Reliable Robust Frequency Hopping Spread. Spectrum Modulation.
Output Power – 5mW – 1000mW user programmable.
Encryption - Built In DES Encryption (optional AES128).
16 output / 8 Input channels.
Load 4A @ 6V. Low Battery Indication.
Built In two CR123 batteries.
Robust Mechanical Design IP67 level.
Size - 135 x 65 x 43 mm. Weight - 650 gr.

Remote Control
for demanding applications.

LRC-   Long Range Remote Control

 

Short Description: Up to 8Km (5 miles) of range. 433 MHz FM radio signal - 8 discrete outputs.

Transmitter: Frequency: 434-433 MHz. Power: 1000-10 mw. Modulation type: FM FSK.

Supply voltage: 12V.

Receiver: Frequency: 434-433 MHz. Sensitivity: 118 dBm-12dB/Sinad. Modulation type: FM FSK. Supply voltage: 9-5V.

Samantha Jones, Project Manager

                                                                                                                                                                                                                                                                         

S.D.T (Spectrum Defense Technology) Security Ltd        Tel: +972-9-9562002, Mobil: +972-54-5885120

E-mail:  elisabag@zahav.net.il

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