Brainboxes RS232 Technical Specifications, Storage and Operating Environment, Power requirements

13. Technical Specifications

Qualified Output Power:		average	= 14.43 dBm @2441 MHz, 25oC
		peak	= 18.21 dBm @2402 MHz, 0oC
13.1. Storage and Operating Environment
13.1.1. Storage
Temperature	: -40oC to +85oC
Humidity	: 8% to 95% non-condensing
13.1.2. Operational
Temperature	: 0oC to +40oC
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.

Manual for BL-521 5_3.doc © Copyright Brainboxes Limited 2004 Page 36 of 41