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WIRELESS RF LINK
TRANSMITTER MODULE
Ramsey Electronics Model No.
Need a data transmitter or receiver for your remote wireless
application? These compact units are perfect for any project;
car alarms, door openers, home security, you name it!
•
Powerful +10 dBm output – up to 600' range!
•
SAW Resonators for high stability – no drift!
•
Compact size with low current demand.
•
433 MHz license free band.
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Sensitive superhet receiver with RF LNA.
•
Automatic tuning – no manual adjustments.
•
Operates on 5 volts DC.
TX433
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Summary of Contents for Ramsey Electronics TX433
- Page 1 WIRELESS RF LINK TRANSMITTER MODULE Ramsey Electronics Model No. TX433 Need a data transmitter or receiver for your remote wireless application? These compact units are perfect for any project; car alarms, door openers, home security, you name it! • Powerful +10 dBm output – up to 600’ range! •...
- Page 2 Ramsey Electronics publication No. MTX433 Revision 1.3 First printing: January 2002 COPYRIGHT 1996 by Ramsey Electronics, Inc. 590 Fishers Station Drive, Victor, New York 14564. All rights reserved. No portion of this publication may be copied or duplicated without the written permission of Ramsey Electronics, Inc.
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Page 3: Antenna Considerations
THE TX433 The TX433 wireless RF transmitter uses on/off keying to transmit data to the matching receiver, RX433. The data input “keys” the saw resonator in the transmitter when the input is +3 volts or greater, AM modulating the data onto the 433 MHz carrier. - Page 4 TX433 • 4...
- Page 5 V+: Attach GND: Attach your +5 volt your power source here. supply ground here. Antenna: Attach your Data: Input your antenna here. data here. Data output at RX433 will match data input to transmitter. TX433 • 5...
- Page 6 NOTES: TX433 • 6...
- Page 7 But on rare occasions a sour component can slip through. All our kit parts carry the Ramsey Electronics Warranty that they are free from defects for a full ninety (90) days from the date of purchase. Defective parts will be replaced promptly at our expense. If you sus- pect any part to be defective, please mail it to our factory for testing and replacement.
- Page 8 Price: $5.00 Ramsey Publication No. MTX433 Assembly and Instruction manual for: RAMSEY MODEL NO. TX433 TX433 • 8...
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