Output Power

Output power

The following table reports quick connectivity measurements done between two indoor nodes 4m from each other.

These measurements are clearly indicative only. While they don't have any form of scientific value, they allow one to get a general sense of what output power to use.

TX_POWER setting

output power

RSSI at receiver

*link ETX_'

31

0dm

-54dBm

1.00

27

-1dBm

-54dBm

1.00

23

-3dBm

-60dBm

1.01

19

-5dBm

-63dBm

1.04

15

-7dBm

-66dBm

1.00

11

-10dBm

-65dBm

1.00

7

-15dBm

-68dBm

1.00

6

~-16dBm

-74dBm

1.27

5

~-18dBm

-74dBm

1.01

4

~-22dBm

-68dBm

1.01

3

-25dBm

-80dBm

infinity

The CC2420 datasheet provides the mapping between TX_POWER setting and output power.