User's Manual

R-TRON Proprietary & Confidential Page 5
2.1 HB 1900 Specification
2.1.1 Environmental conditions
Item Standard Remark
Power supply 85V~264V, 50/60Hz typ.
Operating temperature - 20 ~ +50℃
Storage temperature - 30 ~ +60℃
Humidity 95 %
Consumption power 15W
Table 1. Environmental Specification of HB 1900
2.1.2 System Specification
Item Specifications Remark
Down Link 1930 ~ 1990MHz Frequency
range
Up Link 1850 ~ 1910 MHz
Heartbeat interval 3~59 min
Interface Connector RS-232C
VSWR ≤1.5
Atten Range 1~30dB 1dB Step
Atten Control Accuracy ± 1.5dB
Dimension(W*D*H) 170*300*74 Unit : mm
Weight 2.4kg
Table 2. features Specification of HB 1900
2.2 HB 1900 Block Diagram