5090RF Multi-Channel User’s Guide Version 1.0
Hardware Installation
8
TECHNICAL SPECIFICATIONS
Electrical Data
Input power
: 4.5 VDC (three AA batteries)
Switch activation mechanism
: Membrane
Transmission
: Radio Frequency (910.2 ~ 919.7 MHz)
M u lti-Channel (12 Channels)
Channel & Frequency table:
Channel
Frequency
Channel
Frequency
Channel
Frequency
1
910.2 MHz
5
914.2 MHz
9
917.2 MHz
2
910.7 MHz
6
914.7 MHz
10
917.7 MHz
3
912.2 MHz
7
915.2 MHz
11
919.2 MHz
4
912.7 MHz
8
915.7 MHz
12
919.7 MHz
Rated RF output power level
: 0.002mW (maximum)
Physical & Mechanical Data
Key numbers
: 105 keys for U.S. version
106 keys for European version
108 keys for Japanese version
Total travel
: 3.0
±
0.5 mm
Peak force (normal key)
: 55
±
20 grams
Keyboard dimension
: 439 mm (L)
×
210 mm (W)
×
44 mm (H) mm
Keyboard weight
: 975 g (including battery)
Receiver weight
: 210 g
Effective operating distance
: 5 meters
Battery life
: 3 months in normal operating
Modulation frequency
: 900 MHz