dBm to mW conversion

dBm	Watts	dBm	Watts	dBm	Watts
0	1.0 mW	16	40 mW	32	1.6 W
1	1.3 mW	17	50 mW	33	2.0 W
2	1.6 mW	18	63 mW	34	2.5 W
3	2.0 mW	19	79 mW	35	3.2 W
4	2.5 mW	20	100 mW	36	4.0 W
5	3.2 mW	21	126 mW	37	5.0 W
6	4 mW	22	158 mW	38	6.3 W
7	5 mW	23	200 mW	39	8.0 W
8	6 mW	24	250 mW	40	10 W
9	8 mW	25	316 mW	41	13 W
10	10 mW	26	398 mW	42	16 W
11	13 mW	27	500 mW	43	20 W
12	16 mW	28	630 mW	44	25 W
13	20 mW	29	800 mW	45	32 W
14	25 mW	30	1.0 W	46	40 W
15	32 mW	31	1.3 W	47	50 W

Power Measurement Units

dBm - decibels relative to one milliwatt

dBW - decibels relative to one Watt

Gain Measurement Units

dBi - decibels relative to an isotrope

dBd - decibels relative to a dipole

ZigBee Development Kits

Manufacturer	Microprocessor	Compiler	nodes	Kit Price	Unit Price	Description
Jennic	16MHz, 32-bit RISC	GNU tools	5	$999	~$2 (qty 100K)*	Wireless microcontrollers article
Renesas	M16C	Renesas tools	4	$700		Renesas Zigbee Stack
Freescale MC13214	HC08 MCU	CodeWarrior	5	$500?		Figure 8 Z-Stack,Zigbee also on Coldfire and PowerQUICC
TI Chipcon 2420	Chipcon 8051	IAR	5	$5000	~$3 (qty 100K)
Ember	XAP2 16-bit RISC	Cambridge	2	$2500		1st Zigbee on a chip InSight network debug
Microchip	PIC18LF4620	MPLAB PIC	2	$269	$2.99(qty 10K)	includes 1 ZENA Network Analyzer
Atmel	AVR 8-bit RISC	IAR or GNU tools	5	$500	?
Silicon Labs	8051	Keil (eval copy)	6	$950
RadioPulse	8051	Keil	?	?		Newest Zigbee-compliant Platform
OKI ZDK	Oki ARM7	IAR	2	$499		Oki ML7065 radio
Other Zigbee Implementations:
IMEC	?	?	1	?		Provides very low-power UWB (3-10MHz) 802.15a PHY
Maxstream XBee	?	?	1	$339		Complete ready-to-use module (not SDK)