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SI Keyfob Transmitter
Data Guide
Description
The Linx SI Series Keyfob transmitter is
ideal for remote control and command
applications. Available in 418 (standard)
or 433.92MHz versions, it has been
pre-certified for FCC Part 15, Industry
Canada, and European CE (433MHz)
compliance. This dramatically reduces
development cost and time to market.
The high-performance synthesized design
provides superior frequency accuracy and
minimizes body proximity effects. When
combined with a Silicon Labs Si4355
receiver, the Keyfob can operate at
distances of up to 1000 feet. Ease of use
and security are dramatically enhanced
by the use of Silicon Labs Ember
One-Way Link protocol with AES-128
encryption. The Keyfob is available with 1
to 5 buttons and can be custom labeled.
Features
• FCC, IC and CE pre-certified
• Long range
• Simple user setup
Applications
• General remote control
• Keyless entry
• Garage / gate openers
• Lighting control
• Home / industrial automation
• Wire elimination
1.00"
S4
S1
S5
S3
2.23"
S2
1.37"
0.45"
Figure 1: Package Dimensions
Figure 2: Keyfob Button Configurations
OEM Configurations
With a one-time NRE and
minimum order, Linx can
configure the keypad and label
areas. Contact Linx for details.
• Factory preset unique address
• 1 to 5 buttons
• Compact, stylish package
Revised 10/16/14
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