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Manual for BL-521 5_3.doc © Copyright Brainboxes Limited 2004 Page 36 of 41
13. Technical Specifications
Qualified Output Power: average = 14.43 dBm @2441 MHz, 25
o
C
peak = 18.21 dBm @2402 MHz, 0
o
C
13.1. Storage and Operating Environment
13.1.1. Storage
Temperature : -40
o
C to +85
o
C
Humidity : 8% to 95% non-condensing
13.1.2. Operational
Temperature : 0
o
C to +40
o
C
Humidity : 20% to 75% non-condensing
13.2. Power requirements
13.2.1. Input Voltage Requirements
The product was qualified using a fully rectified AC/DC power supply supplying 800mA @ 5V. To ensure your
product performs within the regulatory requirements, you should only use the AC/DC adapter supplied, or approved
by Brainboxes.
For your information only, the Voltage tolerances are given below.
Minimum 4.3V – Maximum 6V
Correct operation of the product has not actually been tested at these voltage extremes. This additional Voltage
information does not in any manner constitute advice or recommendation on alternative power supplies.
13.2.2. Measured current consumption
Measurement scenario Measured Current (mA)
Server application, no rf connection 68.5
Slave application, rf connection 41.7
Slave application, file receive mode 44.1
Slave application, file transmit mode 48.7
Master application, no rf connection 88.4
Master application, rf connection 16.7
Master application, file receive mode 30.3
Master application, file transmit mode 24.9
Note: Air separation of 2 metres for all measurements.
Tested using Stack version 16.4.4 and firmware version 2.10, other versions may differ.
Maximum measured power (peak) = 120mA. Recommend use minimum of 200mA power adaptor.