User's Manual

Description
A small tag, attachable to a baby’s ankle, capable of transmitting Infra Red signals in
addition to RF signals in the frequency of 433.92 MHz. The tag is used for security
monitoring (abduction and mismatch prevention) of infants whereabouts in real time,
in hospitals’ Maternity Wards. The tag sends a unique message when the ankle band
has been tampered with and disconnected.
Recommended use is with the ELPAS BabyWatch system.
General
Electrical power
source
One 3-Volt lithium battery
Battery type
CR 2032 Renata
Transmission
rate
A. Every 1.6 seconds, when the tag is in normal
operation mode - i.e. affixed to a baby. (IR is
transmitted on every 3
rd
RF transmission, and RF is
transmitted 200ms after IR).
B. Every 60 seconds (RF), when the tag is not affixed to
a baby, and is motionless.
C. Every 4 seconds (200 ms apart), when the tag is not
affixed to a baby, but is in motion.
D. Four times every 0.4 seconds, immediately after
tampering, or after affixing to baby (B2 indicates that
the band is either on or off). Then, as either B or C,
depending on mode of operation.
Battery life
In regular use, battery life will be approximately three
months, based on a combination of A,B,C:
A. Six weeks when the tag is affixed to a baby.
B. Over three years when the tag is not affixed to a baby
and is motionless.
C. Six weeks when the tag is not affixed to a baby, but
the tag is in constant motion.
LED indicator
on badge
Activated with every RF and IR message
Tag ID
Unique factory-programmed (ID code, transmit rate,
motion sensor activation and deactivation, etc.)
Data rate
19,200 bits per second
Message
protocol
4 bytes proprietary format
Message
duration
2.08 ms
Dimensions
39.4 x 31.5 x 14.8 mm
Tag re-usability
After each use, the baby tag needs to be cleaned and
prepared for next use using the Baby Tag disposable kit’s
contents. The tag can be re-used up to 100 times (this is
solely because of connector restrictions).