BNSF TELECOM 1 EXAM 2025 LATEST NEWEST UPDATE WITH ACTUAL QUESTIONS AND DETAILED VERIFIED ANSWERS WITH RATIONALES (100% CORRECT) //BRAND NEW!! /ALREADY GRADED A+ WITH GUARANTEED SUCCESS AFTER DOWNLOAD (ALL YOU NEED TO PASS YOUR EXAMS

BNSF TELECOM 1 EXAM 2025
LATEST NEWEST UPDATE WITH
ACTUAL QUESTIONS AND
DETAILED VERIFIED ANSWERS
WITH RATIONALES (100%
CORRECT) //BRAND NEW!!
/ALREADY GRADED A+ WITH
GUARANTEED SUCCESS AFTER
DOWNLOAD (ALL YOU NEED TO
PASS YOUR EXAMS


50 dBm is defined as __________ watts
100 W
47 dBm is defined as __________ watts
50 W
30 dBm is defined as __________ watts
1000 mW or 1 W

,33 dBm is defined as __________ watts
2W
40 dBm is defined as __________ watts
10 W
20 dBm is defined as __________ watts
100 mw
10 dBm is defined as __________ watts
10 mW
3 dBm is defined as __________ watts
2 mw
0 dBm is defined as __________ watts
1 mW
How much gain/Loss is 3 dBm
2X or 1/2
How much gain/Loss is 5 dBm
3X or 1/3
How much gain/Loss is 6 dBm
4X or 1/4
How much gain/Loss is 9 dBm
8X or 1/8
How much gain/Loss is 10 dBm
10X or 1/10
How much gain/Loss is 20 dBm
20X or 1/100
How much gain/Loss is 30 dBm
30X or 1/1000
How much gain/Loss is 40 dBm
40X or 1/10000
50 Watts to dB
dBm = 10 log (1000 P)
47 dBm

, Full wave length of 44 MHz (m to in = 39.36)
6.82 meters or 268.44"
1/2 wave - 134.22"
1/4 wave - 67.11"
Full wave length of 160 MHz (m to in = 39.36)
1.875 meters or 73.81
1/2 wave - 36.9"
1/4 wave - 18.45"


VHF - Low and High range
Very High Frequency
Low is 30 to 50 MHz
High is 150 to 300 MHz
UHF - Ultra High Frequency
300 MHz - 3 GHz
Super High Frequency - SHF
3-30 GHz
Extremely High Frequency - EHF
30-300 GHz
Legacy Band
25 kHz wide channel
Very Narrowband
6.25 kHz wide, digital
Narrowband
12.5 kHz wide analog
What is dB and how much power is it
dB is a decibel and measures 1/10 of a bell
What is an acceptable return loss
-14 dB or better (-15,-16,-17 etc would be worse)
4% or 1.5:1
Return loss formula in dB -6