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News - In Full
Modulator integrates any A/V signal into TV system - News Image

22 August 2007

Modulator integrates any A/V signal into TV system

The AVM-138 is particularly suitable for various functions on Communal Access TV systems.

1) Door Entry Systems
When used in conjunction with an Audio Door Entry system and a CCTV camera, the modulator can be used to give a video image of the caller on one channel of an apartment's TV as part of a CATV system.

2) Hotels, Schools, Public Buildings etc.
This modulator can be used with Satellite Receivers, DVDs, VCRs and Digital TV sources to create an individual CATV system.

The range covered by each AVM-138 is as follows:-

NTSC CH58-CH138 (427.25 - 877.25 MHz.)
PAL-BG E21-E69 (471.25 - 855.25 MHz.)
PAL-I E21-E69 (471.25 - 855.25MHz.)
PAL-DK DS13-DS57 (427.25 - 863.25 MHz.)

Specification:-
Model : AVM-138.
Display Mode : Digital LED Channel Display.
Video Input : 1.0Vp-p for 87.5% modulation.
Audio Input : Pre-emphasis 75us.
RF output Strength : 100 i0 5 dbuv.
Connectors : One audio input/one video input (RCA connector), one RF out (standard "F" female connector).
Power requirements : 9VDC - 12VDC.
Dimensions : 115 L x 76 W x 31 H (mm).
Weight : 171g.