Maintenance Guide

Cobham Wireless
idDAS Installation and Maintenance Guide 00109GU Rev. 2.0
Page | 141
7.4 idRU Americas Specifications
This information below includes both cellular and public safety specification for the Americas idDAS system.
IDRUS AMERICAS CELLULAR RF SPECIFICATIONS
FREQUENCY
RANGE
UPLINK
(UL)
DOWNLINK
(DL)
OPER.
BW
IDRU 40
COMPOSITE
OUTPUT
POWER
IDRU 30
COMPOSITE
OUTPUT
POWER
TECHNOLOGIES
(TESTED)
700 Lower
698-716 MHz
728-746 MHz
29 MHz
+43dBm
5
+30dBm
LTE
Upper
776-787 MHz
746-757 MHz
29 MHz
+43dBm
5
+30dBm
LTE
800 MHz (Sprint)
817-824 MHz
862-869 MHz
32 MHz
+43dBm
5
+30dBm
GSM
6
,
CDMA,WCDMA,LTE
850 MHz (Cell)
824-849 MHz
869-894 MHz
32 MHz
+43dBm
5
+30dBm
GSM
6
,CDMA,WCDMA,LTE
1700 MHz (AWS)
1710-1755 MHz
2110-2155 MHz
45MHz
+43dBm
5
+30dBm
WCDMA, LTE
1700 MHz (AWS1+3)
1710-1780 MHz
2110-2180 MHz
70MHz
+43dBm
5
+30dBm
WCDMA, LTE
1900 MHz (PCS)
1850-1915 MHz
1930-1995 MHz
65 MHz
+43dBm
5
+30dBm
GSM
6
,CDMA,WCDMA,LTE
IDRU
S AMERICAS PUBLIC SAFETY RF SPECIFICATIONS
FREQUENCY
RANGE
UPLINK
(UL)
DOWNLINK
(DL)
OPERATIO
NAL
BW
IDRU 40
COMP.
OUTPUT
POWER
MODULATION
UHF
380-450MHz,9 or 10MHz Duplex
450-470MHz, 5MHz Duplex
470-512MHz, 3MHz Duplex
Up to 8MHz
36 dBm DL
-14.5 dBm UL
P25 phase 1 and 2, LTE, Tetra
SMR 700MHz
4
788-793 MHz
793-
805 MHz
758-763 MHz
763-
775 MHz
5 MHz
12 MHz
37dBm DL
-17 dBm UL
P25 phase 1 and 2, LTE,
(Tetra – future option)
SMR 800MHz
806-824 MHz
851-869 MHz
18 MHz
37dBm DL
-17 dBm UL
P25 phase 1 and 2, LTE,
(Tetra – future option)
Noise Figure
3.5 dB Typical (maximum gain) in Medium power
4 dB Typical (maximum gain) in High power
Ripple
±2 dB
Downlink power
Adjustable, in 1 dB steps
System Impedance
50Ω
Return loss at antenna port
>14dB
Antenna Connectors
7
Mini DIN 4.3-10
No. of CPRI Ports
2 (1 connects to MSDH, 1 cascades to another idRU)
No. of Ethernet Ports
2 (1 for Ethernet Backhaul, 1 for LAN)
GENERAL PARAMETERS – CONT…
No. of Bands
4 (8 when cascading two idRUs)
Cascading
Up to 8 units can be cascaded via CPRI links
No. of antenna ports
7
1 connector for SISO, 2 connectors for MIMO
Electrical ratings
115/220VAC 60Hz or 48V DC (30 – 60V DC)
External alarms
3 external inputs , 1 external dry contact output
Public Safety idRU (700/800 UHF): 6 wires to fire panel
NFPA Alarms: x2 dry-
contact alarms with NO/NC options for antenna disconnection and unit failure
CPRI INTERFACE MEDIA
TYPES
DISTANCE
SUPPORTED BANDWIDTH
Single mode fiber
1310,1550 nm
Up to 80 km
Up to 220 MHz
Multi mode fiber
850 nm
Up to 300 m
Up to 220 MHz
4
idRU40 uplink composite power = <-5dBm, idRU40 UL/DL Gain = 40dB Max
5
Composite power PAR 8.5dB for idRU40 using WCDMA/LTE technology
6
For GSM modulation in idRU 40, ETSI IMD is measured with 2 tones - each is 6dB less than composite power
7
Other configurations such as MIMO or antenna port per band are possible. In these configurations 4.3-10 connector type will be used. Please contact
Cobham Wireless for details.