‘102 SERIES RADIO / IR ENCODER TRANSMITTERS
Low Battery
When the unit measures a low battery voltage level, the data transmitted includes a ‘Low battery’ status
flag to the receiver decoder.
Power Supply
The circuit has been designed to operate from a single PP3 battery supply. This will provide in excess of
1,000,000 transmissions.
Note: reverse voltage polarity connection may cause damage to the circuit.
License Exemption (Radio Transmitters)
Europe: The transmitter encoders use ECM compliant radio transmitter modules and complies with
ETSI330-220 and ETSI300-683.
USA: This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause
undesired operation."
KEELOQ Protocol Configuration
Each encoder is supplied ready programmed with a unique random serial number. The decoder has the
ability to memorise this serial number using a simple learn procedure (please see decoder datasheet).
How does KEELOQ technology work?
KEELOQ is based on a code hopping algorithm which provides Rock Solid Security. KEELOQ uses
a programmable 64-bit encryption key that is unique to each device to generate 32-bit hopping
code. The key length and hopping code combination reduces the possibility of unwanted access,
due to code grabbing and code scanning, to essentially zero. Such CIA-like levels of security are
desirable, but many manufacturers would expect them to be cost-prohibitive. KEELOQ offers the
solution for affordable, Rock Solid Security that is the future of technology for the cars, homes and
offices we wish to protect.
Adding Additional Switches
Additional switches may be added through Connector J1. The four connections of J1-1, 2, 3, & 4
represent the four input lines to the HCS360 encoder device. These may be connected to a binary coded
decimal (bcd) input to obtain 1 of 16 states. Connection J1-6 is connected to VCC.
Absolute Maximum Ratings
Supply Voltage (VCC to GND)
Storage Temperature
Operating Temperature
Dimensions
+5.5 to +15.8 Volts
-10°C to +70°C
0°C to +55°C
110mm x 65mm x 24mm
Electrical Characteristics
Supply Voltage
Min
8
Typical
Max
12
Dimension
9
V
Supply Current
11
14
21
mA
Frequency
315MHz FM
315.00
433.92
434.075
914.50
433MHz QM / FM Wideband
433MHz FM Narrow band
915MHz Narrow band
RF Output Power (ERP) @ 433 MHz
MHz
mW
434.050
914.50
-
434.100
914.50
10
DS102-5
Oct ‘-03
©2003 Reg. No. 227 4001, England
Page 2
RFSOLUTIONS [ RFSOLUTIONS.LTD ]
