User's Manual
The Wintercronics Co., Ltd. Model: L-TR53B (referred to as the EUT in this report) is a Transceiver of car
alarm security system. It offers wireless remote control, ideal for use in vehicle security system to activate
the function of center door lock control system and car searching except the alarm system.
A major technical descriptions of EUT is described as following:
A). Fundamental Frequency: 433.92 MHz
B). Modulation : Pulse Modulation
C). Antenna Designation: Non-User Replaceable (Fixed)
D). Power Supply: DC 1.5V, Battery Operated.
E). Receiver type : Superheterodyne
Fundamental Frequency 433.92MHz
Power Source 1.5V Battery
Transmitting Time
Periodic ≤ 5 seconds
Associated Receiver FCC DOC