RRU
Technical Specifications 1 RRU Technical Specifications
Table 1-990 Modes and frequency bands supported by an RRU3276
Type Frequency Frequency Mode IBW (MHz) OBW
Band Range (MHz)
(MHz) (MHz)
RRU32 2300 (Band 2300 to 2400 LTE TDD 100 80
76 40)
RRU32 2600 (Band 2496 to 2690 LTE TDD 150 80
76 41)
RRU32 2600 (Band 2520 to 2620 LTE TDD 100 80
76 41)
RRU32 2600 (Band 2575 to 2615 LTE TDD 40 40
76 38)
RF Specifications
The following tables list RF specifications of an RRU3276.
Table 1-991 Receiver sensitivity of an RRU3276
Type Frequency TX/RX Receiver Receiver Receiver
Band Channel Sensitivity Sensitivity Sensitivity
(MHz) with One with Two with Four
Antenna Antennas Antennas
(dBm) (dBm) (dBm)
RRU3276 2300 (Band 4T4R -105.5 -108.27 -110.97
40)
RRU3276 2600 (Band 4T4R -105.5 -108.27 -110.97
41)
RRU3276 2600 (Band 4T4R -105.5 -108.27 -110.97
41)
RRU3276 2600 (Band 4T4R -105 -107.77 -110.47
38)
LTE TDD receiver sensitivity is measured, as recommended in 3GPP TS 36.104, under a 5 MHz
bandwidth based on the FRC A1-3 in Annex A.1 (QPSK, R = 1/3, 25 RBs) standard.
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RRU
Technical Specifications 1 RRU Technical Specifications
Table 1-992 Capacity and output power of an RRU3276
Type Capacity Maximum Output Typical Output
Power Power
RRU3276 l 2300 MHz: 4 4x40 W For details, see Typical
carriers. The Power Configuration
bandwidth per Reference for RRU
carrier is 5, 10, 15, (Excluding NB-IoT).
or 20 MHz.
l 2600 MHz: 4
carriers. The
bandwidth per
carrier is 5, 10, 15,
or 20 MHz.
l ATBR in the TX/RX Channel column indicates that the RF module uses A transmit channels and B
receive channels.
l CxD W in the Output Power column indicates that the RF module has C transmit channels and the
maximum output power of each transmit channel is D W.
l The output power varies with filters and uplink-downlink subframe configurations.
Engineering Specifications
The following tables list the equipment specifications of an RRU3276.
Table 1-993 Input power of an RRU3276
Type Power
RRU32 -48 V DC; voltage range: -36 V DC to -57 V DC
76
Table 1-994 Dimensions and weight of an RRU3276
Type Dimensions (H x W x D) Weight (kg)
RRU32 400 mm x 300 mm x 150 mm (18 L, ≤ 20 (without the housing)
76 without the housing)
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RRU
Technical Specifications 1 RRU Technical Specifications
Table 1-995 Power consumption of the entire base station (configured with an RRU3276)
Base Power Consumption of the Entire Base Station
Station
Type
DBS See the RRU3276 sheet in Base Station Power Consumption Specifications
(Configured with 3000 Series RRUs).
The following table lists the environmental specifications of an RRU3276.
Table 1-996 Environmental specifications of an RRU3276
Type Operating Relative Absolute Atmospheric
Temperature Humidity Humidity Pressure
RRU32 l With solar 5% RH to 100% 1 g/m3 to 30 g/m3 70 kPa to 106 kPa
76 radiation of RH
1120 W/m2:
-40°C to
+50°C
l Without solar
radiation:
-40°C to
+55°C
NOTE
According to the
installation
scenario, traffic
load, and carrier
configuration, the
output power of
an RRU decreases
when the RRU
reaches a
temperature 10°C
less than its
maximum
operating
temperature.
The following table lists the compliance standards for an RRU3276.
Table 1-997 Compliance standards for an RRU3276
Item Standard
RF 3GPP TS 36.141
Operating environment ETSI EN 300019-1-4 V2.1.2 (2003-04) Class 4.1: "Non-
weatherprotected locations"
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RRU
Technical Specifications 1 RRU Technical Specifications
Item Standard
Storage environment ETSI EN300019-1-1 V2.1.4 (2003-04) Class 1.2:
"Weatherprotected, not temperature-controlled storage
locations"
NOTE
l The validity period is one year.
l The product can function properly within the validity period if
the storage environment meets the preceding standards.
Shockproof protection NEBS GR63 zone4
Ingress protection rating IP65
Surge protection l IEC 62305-1 Protection against lightning - Part 1:
General principles
l IEC 62305-3 Protection against lightning - Part 3:
Physical damage to structures and life hazard
l IEC 62305-4 Protection against lightning - Part 4:
Electrical and electronic systems within structures
l ITU-T K.35 Bonding configurations and earthing at
remote electronic sites
l ITU-T K.56 Protection of radio base stations against
lightning discharges
l ITU-T K.97 Lightning protection of distributed base
stations
l ETSI EN 300 253 Environmental Engineering (EE):
Earthing and bonding configuration inside
telecommunications centers
l YD/T 2324-2011: Lightning protection requirements and
test methods for radio base stations
l GB 50689-2011: Code for design of lightning protection
and earthing engineering for telecommunication bureaus
(stations)
Table 1-998 lists the surge protection specifications of ports on an RRU3276.
l Unless otherwise specified, the surge protection specifications depend on the surge waveform of 8/20 μs.
l All the surge current items, unless otherwise specified as Maximum discharge current, refer to
Nominal discharge current.
Table 1-998 Surge protection specifications of ports on an RRU3276
Port Surge Protection Mode Surge Protection
Specifications
Power supply port Surge current 20 kA
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