Maintenance Guide

Cobham Wireless
idDAS Installation and Maintenance Guide 00109GU Rev. 2.0
Page | 139
7.3 idRU EMEA/APAC Specifications
This information below includes both cellular and public safety specification for the EMEA/APAC idDAS
system.
FREQUENC
Y RANGE
UPLINK
(UL)
DOWNLINK
(DL)
OPERATIO
NAL
BW
HIGH POWER
COMPOSITE OUTPUT
POWER
MEDIUM POWER
COMPOSITE
OUTPUT POWER
TECHNOLOGI
ES
(TESTED)
400 MHz
3
380-385 MHz
385-390 MHz
410-415 MHz
415-420 MHz
450-455 MHz
455-460 MHz
390-395 MHz
395-400 MHz
420-425 MHz
425-430 MHz
460-465 MHz
465-470 MHz
5 MHz
+36dBm
(+40dBm optional)
+30 dBm
TETRA/P25
440-450 P25
3
(Bespoke)
441-444 MHz
446-449 MHz
3 MHz
36 dBm DL
30 dBm
800 MHz
4
832-862 MHz
791-821 MHz
30 MHz
+40 dBm
5
+30 dBm
LTE
GSM-R
900 MHz
876-880 MHz
921-925 MHz
4 MHz
+37 dBm
5
--
GSM
6
,
WCDMA,LTE
900 MHz
880-915 MHz
925-960 MHz
35 MHz
+40 dBm
5
+30 dBm
GSM
6
,
WCDMA,LTE
1800 MHz
1710-1785 MHz
1805-1880 MHz
75 MHz
+43 dBm (w/o GSM)
5
+40dBm (with GSM)
5
+30 dBm
GSM
6
,
WCDMA, LTE
2100 MHz
1920-1980 MHz
2110-2170 MHz
60 MHz
+43 dBm
5
+30 dBm
WCDMA,LTE
2300MHz
(TDD)
2300-2400 MHz
100MHz
+43dBm
+30dBm
LTE
2600 MHz
2500-2570 MHz
2620-2690 MHz
70 MHz
+43 dBm
5
+30 dBm
LTE
GENERAL PARAMETERS
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
DL Return loss at antenna port
>14dB
Antenna Connectors
4.3-10
No. of CPRI Ports
2 ( 1 connects to MSDH, 1 to cascade to another idRU)
Max RF bandwidth per CPRI link
220MHz
No. of Ethernet Ports
2 (1 for Ethernet Backhaul, 1 for LAN)
Max throughput for backhul
1 Gbps (combined UL and DL)
No. of Bands
4 (8 when cascading two idRUs)
Cascading
Up to 8 units can be cascaded via CPRI link
No. of antenna ports
7
1 connector for all bands combined
Electrical ratings
115/220VAC 50/60Hz or 48V DC (30 – 60V DC)
8
External alarms
4 external inputs , 1 external dry contact output
3
idRU30/40 Tetra uplink composite power = -14±2 dBm, idRU40 UL/DL Gain =36dB Max, idRU30 UL/DL Gain = 30 dBm Max
4
idRU30/40 uplink composite power = <-5dBm, idRU40 UL/DL Gain = 40dB Max, idRU30 UL/DL Gain = 30 dBm 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.
8
For id-DAS-idRU-3604A-DC, Eng P/N idRU0037, input voltage = 48V DC (40.5 – 60V DC)