2605011081001

AMB8420 Compact Low-Cost Radio Module 868 MHz ISM Band Key Features • Low-cost OEM radio module in 868 MHz ISM band • Compact dimensions: 16 x 27.5 x 3.5 mm • Supports low-power applications and WOR (wake-on radio) • Integrated software stack with extensive functions • Flexible addressing with up to 255 nodes in 255 networks • Complies with requirements in R&TTE Directive 1999/5/EC • Can be delivered in tape and reel • Also available as USB stick version • Integrated ceramic aerial, optional: external aerial connection Network Topologies Description The AMB8420 is a compact and low-cost radio data transmission module for wireless half-duplex communication. The integrated microprocessor controls data communication, handling packet and checksum formation, addressing, monitoring of channel access and resending unreceived packets. The host system does not have to perform any radio-specific tasks. Point-to-point The module can be configured in many ways and supports data transfer with fast channel and address switching. Measured field strength (RSSI value) offers the option of enhancing quality of the radio link. The GUI for the freely available Windows application AMBER-ACC makes it easy to set operating parameters. A USB stick version is available to easily connect the AMB8420 to a PC system. The AMB8420 is constructed on an SMD design and suitable for automatic component mounting. It can also be delivered in tape and reel packaging. The AMB4420 and AMB2520 provide pin-compatible modules for the frequency ranges 433 MHz and 2.4 GHz. AMBER wireless also offers customer-specific solutions based on the AMB8420. Interfaces Point-to-Multipoint The AMB8420 is connected to a host system via the UART interface with bit rates of up to 115.2 kbaud. Other pins can be used for data flow control and to switch between operating modes. An SPI interface is included. Using appropriate firmware, the module is also suitable for autonomously recording digital or analogue signals. Range of Application Data collection, monitoring, remote control and sensor networks. Its compact dimensions and low power consumption make the radio module ideal for battery-powered devices. Peer-to-Peer AMB8420 Dimensions Pin Assignment Pad Name Description VCC positive supply voltage GND negative supply voltage ANTENNA Antenna connection (optional) UTXD, URXD UART transmit , UART receive /RTS ready to send/receive /DATA_INDICATE Signals incoming data /DATA_REQUEST Starts transmitting SLEEP, TRX_DISABLE selection of low-power mode /CONFIG Change into command-mode /RESET* Reset-Input Specifications Performance General RF technology Conformity Range* up to 300 m (integrated antenna) up to 500 m (external antenna) RF data rate up to 250 kbps Interface data rate up to 115.2 kBaud (UART) Output power typ. 2 dBm e.i.r.p (10 dBm at 50 Ω) RF sensitivity up to -102 dBm (-110 dBm at 50 Ω) Power supply 2.7 – 3.6 V Power consumption TX: typ. 45 mA RX: typ. 20 mA Low Power: typ. 6 µA Dimensions 16.0 x 27.5 x 3.5 mm Operating temperature -30 to +85 °C Weight