Installation Instructions

Doc. No.
Rev.
Date
D100200-REF
1.02
2012-10-09
Damm Cellular Systems A/S, Denmark
BS414 Base Station
Page 6 of 7
Specification
Parameter
Value
Frequency Bands:
RX=300-310MHz, TX=336-346MHz, BW=10MHz
RX=350-360MHz, TX=360-370MHz, BW=5MHz
RX=380-390MHz, TX=390-400MHz, BW=5MHz
EU Public safety
RX=410-420MHz, TX=420-430MHz, BW=5MHz
RX=450-460MHz, TX=460-470MHz, BW=5MHz
RX=805-825MHz, TX=850-870MHz, BW=14MHz
US-FCC
Other frequencies on request
Common TX/RX:
Synthesizer frequency step
12,5kHz
Frequency accuracy
Locked to GPS
Timing accuracy
+/-14us ref. GPS timing
Duplexer- Amplifier:
RX feeder loss compensation max.
8 dB nom.
TX path insertion loss (10MHz duplex spacing)
0.6dB typ.
Transmitter;
Output power before combiner
1 to 25W
Output power after cavity combiner and TX filter
½ to 10W
TX linearization scheme
Cartesian Loop
Forward and reflected power meter
0.1W to 99.9W
Receiver:
Note: The TMD412 Tower Mounted Amplifier/Duplexer is a functional an integral
part of BS41x range. The two RX amplifiers in the TMA/TMD are included in the RX
sensitivity values.
Diversity
Dual as standard
RX sensitivity with diversity. Static
-121dBm
RX sensitivity without diversity. Static
-117dBm
RX sensitivity with diversity. Dynamic TU50 at 4% BER
-118dBm
RX sensitivity without diversity. Dynamic TU50 at 4% BER
-112dBm
Noise figure
3.5dB typ.
3
rd
–order IM input intercept point
+13dBm typ.
Intermediate frequencies
45MHz and 144kHz
RSSI dynamic range
Noise floor to -43dBm
Base Station Control Unit
Operating system:
Host processor
Pentium M 1,4GHz
RAM
1GByte
Operating system
WindowsWES2009
Synchronisation of date/time
From GPS or External sync.
Non synchronized operation
Built-in oscillator
Co-processor
HDLC buses to TR412 and PS411
CF Disk Multiple partition
8GB (2GB+2GB+4GB)
Optional CF Disk Multiple partition
16GB (2GB+2GB+12GB)
Ethernet including voice over IP
10/100Mbit
Synchronization
1 sec pulse in/out
Antenna configuration:
Using TMD412 coupled as duplexer, no diversity
One combined TX/RX
Using TMD412 coupled as duplexer, dual diversity
One TX/RX A, One RX B
Using TMD412 coupled as amplifier, dual diversity
One TX, One RX A, One RX B
GPS antenna
Passive or Active (+5V DC)