DBm

Detsbell milliwatt

dBm level	Power	Notes
80 dBm	100 kW	Typical transmission power of FM radio station with 50 km range
60 dBm	1 kW = 1000 W	Typical combined radiated RF power of microwave oven elements
40 dBm	10 W
36 dBm	4 W	Typical maximum output power for a Citizens' band radio station (27 MHz) in many countries
33 dBm	2 W	Maximum output from a UMTS/3G mobile phone (Power class 1 mobiles) Maximum output from a GSM850/900 mobile phone
30 dBm	1 W = 1000 mW	Typical RF leakage from a microwave oven - Maximum output power for DCS 1800 MHz mobile phone Maximum output from a GSM1800/1900 mobile phone
27 dBm	500 mW	Typical cellular phone transmission power Maximum output from a UMTS/3G mobile phone (Power class 2 mobiles)
26 dBm	400 mW
25 dBm	316 mW
24 dBm	250 mW	Maximum output from a UMTS/3G mobile phone (Power class 3 mobiles)
23 dBm	200 mW
22 dBm	160 mW
21 dBm	125 mW	Maximum output from a UMTS/3G mobile phone (Power class 4 mobiles)
20 dBm	100 mW	Bluetooth Class 1 radio, 100 m range (maximum output power from unlicensed FM transmitter). Typical wireless router transmission power.
15 dBm	32 mW	Typical WiFi transmission power in laptops.
10 dBm	10 mW
6 dBm	4.0 mW
5 dBm	3.2 mW
4 dBm	2.5 mW	Bluetooth Class 2 radio, 10 m range
3 dBm	2.0 mW	More precisely (to 8 decimal places) 1.9952623 mW
2 dBm	1.6 mW
1 dBm	1.3 mW
0 dBm	1.0 mW = 1000 µW	Bluetooth standard (Class 3) radio, 1 m range
-1 dBm	794 µW
-3 dBm	501 µW
-5 dBm	316 µW
-10 dBm	100 µW	Typical maximum received signal power (−10 to −30 dBm) of wireless network
-20 dBm	10 µW
-30 dBm	1.0 µW = 1000 nW
-40 dBm	100 nW
-50 dBm	10 nW
-60 dBm	1.0 nW = 1000 pW
-70 dBm	100 pW	Typical range (−60 to −80 dBm) of wireless (802.11x) received signal power over a network
-80 dBm	10 pW
-111 dBm	0.008 pW = 8 fW	Thermal noise floor for commercial GPS single channel signal bandwidth (2 MHz)
-127.5 dBm	0.178 fW = 178 aW	Typical received signal power from a GPS satellite
-174 dBm	0.004 aW	Thermal noise floor for 1 Hz bandwidth at room temperature (20C)
-192.5 dBm	0.00004 aW	Thermal noise floor for 1 Hz bandwidth in outer space (4 kelvin)
-∞ dBm	0 W	Zero power is not well-expressed in dBm (value is negative infinity)