OPERATIONAL DESCRIPTION

FCC ID: T8NDIT002

Operational Description

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FCCID_670411

Circuit Description of transmitter

SB-101BWL is the B/W camera of 2.4GHz/49.86MHz wireless doorbell,
which consists of 4 parts:
A. CMOS CAMERA PART: Single chip 1/4 inch format video image sensor,
generates composite video signal, while additional audio-amplifying
circuit diagram can amplify the weak signal from microphone.
B. 2.4G MODULE PART: modulate Video and Audio signal to 2.4G Band
and send out.
C. MCU & 49.86MHz MODULE PART: sends out coded signal to monitor,
receives 49.86M audio signal from monitor then sends to the audio
amplifier, and receives the “released” signal then sends to the unlock
unit.
POWER SUPPLY PART: supplies power to camera, audio amplifier,
49.86MHz module and the unlock unit.

APPLICANT: DIT DIGITAL CO., LTD.
FCC ID: T8NDIT002

Document Created: 2006-05-30 11:23:17
Document Modified: 2006-05-30 11:23:17

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