37
Typical Power Output of Some Common Transmitters
This list is provided for general guidance. It is not exhaustive or specific. It not intended to replace the findings of an electromagnetic survey.
Power
Notes
Suggested Minimum Separation Distance
This is a very approximate guide. If abnormal operation is
observed, disregard this figure and take corrective action.
100 kW
Typical
transmission power
of
FM radio
station with 50 km range
727m
1 kW = 1000 W
Maximum allowed output RF power from a
amateur radio
transceiver
without special permissions
73m
100 W
Typical maximum output RF power from a amateur
radio transceiver
23m
5 W
Typical maximum output RF power from a hand held
amateur radio
transceiver
5m
4 W
Typical maximum output power for a
Citizens' band radio
station,
(27 MHz) in many countries
4.6m
2 W
Maximum output from a
UMTS
/
3G
mobile phone
(Power class 1
mobiles)
Maximum output from a GSM850/900 mobile phone
3.25m
500 mW
Typical
cellular phone
transmission power
Maximum output from a UMTS/3G mobile phone (Power class 2
mobiles)
1.6m
400 mW
Access point for Wireless networking
1m
250 mW
Maximum output from a UMTS/3G mobile phone (Power class 3
mobiles)
1.15m
32 mW
Typical
WiFi
transmission power in laptops.
400cm
2.5 mW
Bluetooth Class 2 radio, 10 m range
115cm
1.0 mW =
1000 µW
Bluetooth standard (Class 3) radio, 1 m range
7.2cm
100 µW
Typical maximum received signal power (−10 to −30 dBm) of
wireless
network
2.3cm
