The document compares the features and specifications of 3 mobile network equipment models: Huawei BTS 312 (2G), Huawei BTS 3012 (2.5G), and Huawei Node B 3900 (3G). Key differences include supported technology and standards, number of transceiver units, transmission modes, power supply requirements, dimensions, and temperature ranges. The BTS 312 supports 2G, BTS 3012 supports 2.5G, and Node B 3900 supports 3G UMTS networks. Node B 3900 allows for the most transceiver units and network topologies.

1. Comparison
•Huawei BTS 312 (2G)
•Huawei BTS 3012 (2.5G)
•Huawei BTS 3900 (3G)
Prepared by:
USMAN ZULFQAR

2. Features
BTS 312 BTS 3012 Node B
Mature RF
technology
Supported Supported Supported
Number of
TRXs in one
cabinet
12 12 12
Max TRXs in
multiple cabinet
in one group
36 36 72
Max
configuration
S24/24/24 S24/24/24 S24/24/24
Power boast
technology
Not Supported Supported Supported
Using the E-
Abis technology
yes yes yes

3. Features(cont.)
BTS 312 BTS 3012 Node B
Mature and
reliable power
supply system
Supported Supported Supported
Transmit
diversity
Not Supported Supported Supported
4-way receive
diversity
Not Supported Supported Supported
Transmission
modes
E1,T1 E1,T1,STM-1,
Microwave and
Fiber optical
transmission
E1,T1, Fiber
optical
transmission
Remote electric
tilt
Not Supported Supported Supported

4. Features(cont.)
` BTS 312 BTS 3012 Node B
Technology Supporting
GPRS and
Capable for
EDGE
EDGE/GERAN GPRS/EDGE/
UMTS
Bands GSM/900 and
GSM/1800
GSM850,
GSM900,
GSM1800 and
GSM1900
PGSM900,
EGSM900,
Multiple network
topologies
Not Supported Not Supported Supported
Reception
senstivity
-
110dBm(GSM90
0), -
109dBm(1800)
-112.5dBm
( a typical value
in normal temp.)
N/A

5. Features(cont.)
BTS 312 BTS 3012 Node B
Dimension H*W*D
1800mm*650m
m*500
H*W*D
1750mm*450m
m*600mm
H*W*D
900mm*600mm
*450mm
Require Power 26 v DC -48 v DC -48 v DC
Working
Temporature
-5 to +45 celeius N/A -20 to +50
celeius
Input power
supply modes
220 v AC
-48 v DC
+24 v DC
-48 v DC
+24 v DC
220 v AC
-48 v DC
+24 v DC
Main boards TMU DTMU WMPT in BBU

6. Units and Boards
BTS 312 BTS 3012 Node B
Common Unit
TMU, TDU, TES,
TEU, PMU, FMU, PSU
Carrier Unit
TRX
Antenna and Feed
Unit
CDU, Antenna,
Feeder, Jumper,
Lightning arester,
TTA(optio.)
Signal protection
Subsystem
DMLC, DSAC, DELC,
DCTB
Common Subsystem
DATU, DEMU, DTMU,
DCCU, DCSU, DCMB
DTRU Subsystem
DTRU,DTRB
RF Front end
Subsystem
DCOM, DDPU
Antenna Subsystem
TMA, Antenna,
Feeder, Jumper,
RET(optio.)
{SBTs, RCU, AISG,
BTs, Spliters}
Indoor macro cabinet
DCDU-01, SLPU,
ELU, PSU, PMU
BBU 3900
WMPT, WBBP, UPEU,
FAN, UEIU(o),
USCU(o), UTRP(o)
WRFUs
WRFU

7. Comparing Physical Structure
BTS 312 BTS 3012 Node B