Specifications

177
Chapter 10
177
visit us online at califone.comvisit us online at califone.com
10 - 2 Hardware Specications
ITEM SPECIFICATIONS NOTE
Infrared
Receiver
Media: infrared
Interface: USB
Vertical angle: 20 degrees
Horizontal angle: 60 degrees
ID recognition: up to 255 units
Receiving distance: 15 meters (16.4yds)
(49.22ft)
Power: uses USB power
Wire length: 6 meters (6.56yds) (19.69ft)
Connect to a
computer or laptop
for transmitting
signals from
handsets.
Teacher
Remote
Size: Width 5.5 cm (2.17in), Length 9.5 cm
(3.74inch)
Input: 15 buttons
Button: conductive rubber
ID number: 255
Effective angle: 30 degrees
Effective distance: 15 meters (16.4yds)
(49.22ft)
Power: 3V Lithium battery, CR2032
Lanyard hole: 1
Battery Life: 3 years standby, or up to
300,000 button presses
For the teacher to run
the activities, control
the learning progress
and present the
teaching materials.
Student
Remote
Size: Width 5.5 cm (2.17inch), Length 9.5
cm (3.74inch)
Input: 15 buttons
Button: conductive rubber
Effective angle: 30 degrees
Effective distance: 15 meters (16.4yds)
(49.22ft)
Power: 3V Lithium battery, CR2032
Lanyard hole: 1
Battery Life: 3 years standby, or up to
300,000 button presses
Unique identication
number for each
student. Aim at
receiver and press
button to transmit
signal.