User's Manual

R-TRON Proprietary & Confidential Page 6
3. SUB Unit description & Specification
3.1 Attenuation Module
<Figure 1 Attenuation Module> <Figure 2 Block diagram>
Attenuation Module function is sending signal to modem which is properly leveled and it sends
Signal to repeater wirelessly, controlling modem output level.
* Specification *
Item Specifications Remark
Down Link 1930~1990 MHz
Up Link 1850~1910 MHz
Frequency
range
Ant <-> In/Out
Insertion Loss
-15dB ± 1dB
Frequency range
(1850 MHz ~1990 MHz)
@ ATT 0dB
Ant Port -10dBm Max
Input Power
In/Out Port 20dBm(100mW)
ATT Range 30dB / 1dB Step Active Low
VSWR - S11,S22 1 : 1.3 Min
Ant Port
SMA Female Type
RF
Connector
In/Out Port SMA Female Type
Interface Connector Molex 5264-7p
Operating Temp. -30℃ ~ +60℃
Operating Voltage DC 5V ± 0.5V
Dimension(W*D*H) 60*90*30 Unit : mm
Table 3. Specification of Atten Module