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RF650-868 Datasheet(PDF) 10 Page - rfsolutions.ltd |
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RF650-868 Datasheet(HTML) 10 Page - rfsolutions.ltd |
10 / 11 page DS650-6 June ‘06 ©2006 RF Solutions Ltd, www.rfsolutions.co.uk Page 10 Tel 01273 898000 Fax 01273 480661 SMART RADIO TRANSCEIVER RF650 6 Evaluation Board • Direct RS232 Interface to PC • Accepts 433 or 868MHz Modules • Easy configuration with downloadable software tool • LED Indication of transmission • Accepts a range of Antenna Sockets • Supply Voltage 5 - 12Vdc The RF650 evaluation board provides a reliable proven host board for development with the RF650 module. A single board is supplied, no RF650 module is included with the board and the antenna socket is not fitted. This enables the board to be used for either the 433MHz or 868MHz module with a range of antenna socket types. 6.1 Connections 6.1.1 Power The evaluation board requires a 5 - 12Vdc power source. The maximum operational supply current is <50mA. Power is applied to the two way screw terminal labelled ‘CN1A_B.’ The left hand side of the screw terminal is GND (nearest the DB9 connector). 6.1.2 RS232 Connector The RF Modem interfaces to the host computer via an RS232 connection using a standard DB9 connector as shown in the diagram below. 8 3 2 20 7 6 4 5 22 1 2 3 4 5 6 7 8 9 PC Serial Port DTE (DB25) RF M ode m DCE (DB9F) Tx Rx DTR GND RTS CTS 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 PC Se rial Port DTE (DB9) RF M odem DCE (DB9F) Tx Rx DTR GND RTS CTS |
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