?<strong>Features:</strong><br /><br />Range: indoor/Urban: up to 50m; Outdoor line-of-sight: up to 120m<br /><br />Receiver sensitivity: -95dBm<br /><br />RF data transmission rate: 4，800bps; 76，800bps<br /><br />Working frequency: 868MHz & 915MHz<br /><br />Communication type: Point to Point， or Point to Multipoint.<br /><br />Easy-to-Use serial interface and rich extendable ports.<br /><br />Easy-to-Use AT command: Set working mode， Serial Baud Rate， etc.<br /><br />Open source hardware and firmware.<br /><br />Socket compatible with the Xbee， so you can plug it into any Xbee socket as a quick replacement.<br /><br />&nbsp;<br /><br />Note:<br /><br />Only the Rx， Tx， VCC， GND pins are identical to the Xbee. RFbee will not communicate with Xbee， so RFbee need to be used on both ends of the wireless connection.<br /><br /><br /><br />Application Ideas:<br /><br />Powerful RF control<br /><br />Easy to implement of WSN (Wireless Sensor Network)<br /><br /><br /><br /><strong>Specifications:</strong><br /><br />Microprocessor: Atmega168<br /><br />PCB size: 24.38mmx32.94mmx0.8mm<br /><br />Indicators: No<br /><br />Power supply: 3.3V<br /><br />IO counts: 9<br /><br />ADC input: 7(6 multiplexing with IO)<br /><br />Program interface: USB<br /><br />Connectivity: Socket compatible with XBee<br /><br />Communication Protocol: Uart(TTL)<br /><br />Operating Frequency Band: ISM 868MHz & 915MHz<br /><br />Outline Dimension: 24.38mmx32.94mmx15mm<br /><br /><br /><br />Electrical Characteristics:<br /><br />Input voltage: 3.3VDC (3.0-3.6VDC)<br /><br />Transmit Current: 34.5mA<br /><br />Receive Current: 18.1mA<br /><br />Idle Current: 5.2mA<br /><br />Power-down Current: ＜0.3mA<br /><br />Operating Temperature: -50 ~ 125→