Oki BISM2 manual DC Characteristics, RF Performance, Range

5. DC Characteristics

5.1RF Performance

5.1.1Transmit Power

Conducted Transmit Power	min: 1.0mW (0dBm)
Antenna Gain	+2dBi typ.
Effective Transmit Power	min:0dBm

Output power can be reduced by program control

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max: 4mW (6dBm)

Max: +6dBm

5.1.2Receive Sensitivity

Receive Sensitivity	-86dBm (at 25°C)
Antenna Gain	+2dBi typ
Effective Receive Sensitivity	-88dBm (at 25°C)

5.1.3RF Performance Data

Receive Sensitivity

Attenuation Setting dBm

0
-40 deg	-20 deg	0 deg	20 deg	40 deg	60 deg	80 deg	100 deg
-10
-20
-30

-40

-50

-60

-70

-80

-90

NOTE: Measured as attenuation required to achieve better than 0.1% BER

-100

Temperature Deg. C.

5.2Range

See the Data Transfer Rate vs. distance graph below. The data throughput of the Module is limited to 280Kbps by the parsing of the data being transferred through the RFCOMM stack. The graph below shows the typical data throughput. Distances are measured in free space between 2 Modules.