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PAN comparisons - a quick overview

PAN = Personal Area Network

 

RS232

RS423

I2C

USB

Bluetooth

802.11

'Ping'

9wire

Devices supported

single

10

many

127

8

many

many [1]

many

Max Speed

19.2kbps

115/1kbps

3.4MHz

12Mbps

1Mbps

11Mbps

1,280bps

19.2kbps

Power consumption[2]

v.low

v.low

low

low

medium

high

low/medium

v.low

Power transmission

no [3]

no [3]

no [3]

yes

no

no

no

yes

Device availability

               

-product

large

small

v.small

medium

small

small

small

large

-semiconductor

large

medium

medium

medium

small

small

small

large

Range/cable length

15m

15/1000m

8m

5m

10m

100m

2/10/100m

15m

Physical

9pin 'D' type

n/a

n/a

4 wire range

wireless

wireless

wireless

10w header

                 

Notes:

1: asynchronous.
2: power required to convert from ttl/cmos to bus format.
3: in standard format (additional wires can be added).


This page last updated June 12, 2002
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