The lightning protection levels of the external interfaces
of the BTS3012 are as follows:
E1 port 5 kA in differential mode and 8 kA in common mode in case of
8/20 us surge current
Trunk node input port 8/20 us surge current line-ground: 250 A
Trunk node output port Surge voltage: 4 kV in case of common mode 1.2/50us
Surge current line-ground: 250 A in case of 8/20us
48 V
DC
3 kA in differential mode, 5 kA in common mode
l
Antenna and feeder protection class
8kA/40kA, in which the common mode 40 kA is ensured through
system grounding design
l
6-path electrical regulation interface
protection class:
5 kA in differential mode, 8 kA in common mode
Power CalculationReference
l
GMSK:
DTRU output power: 46 dBm or 47.8 dBm
DTRU combination insertion loss (including engineering
insertion loss): 3.3 dB
DDPU insertion loss (including engineering insertion loss): 1.0
dB
DCOM loss (including engineering insertion loss): 3.3 dB
DTRU PBU output power: 49 dBm
Transmit diversity gain: 2 dB
Static receive sensitivity: –112.5 dBm
Multipath receive sensitivity: –115 dBm
4-receive sensitivity: –117 dBm
l
8PSK:
DTRU output power: 46 dBm
DTRU PBU output power: 47.8 dBm
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This blog id proparty of umar qurashi be attention that donot copy any content of this blog .without permission you are not allowed to copy and paste this blog article on your website and if you do so we take action against you and you will be payable for stealing our contents.we make articles and wrote our articles on our blog so please donot copy our contents from our blog and paste it into any document or website. we shall be thankfull to you for this.
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