LPRS easyRadio Advanced wireless modules

LPRS has available its latest generation of wireless modules, easyRadio Advanced (eRA).

The latest software allows developers to change many of the parameters of the radio to suit the individual application. The bandwidth of the module may be adjusted between 100 and 12.5 KHz giving narrowband performance on a wideband budget and a user-configurable, self-coding system enables interfacing to other raw data modules in both FSK and ASK modulation modes.

Other features include a digital received signal strength indication, reducing the requirement of the host system to handle A-D measurements. The RSSI signal may be delivered as a simple command for either the current RSSI level or the signal strength of the last received packet.

The modules also allow a temporary channel selection allowing the host to scan other channels in real time without storing settings on the internal EEPROM.

Users may program transmission frequency (up to 132 channels), output power (up to 10 mW), serial data rate (up to 115.20 Kbps maximum), digital RSSI, carrier detect, FSK and ASK modulation and bandwidths (12.5, 25, 50, 100 kHz).

To maintain frequency accuracy within ±1 kHz over the module’s full operating temperature range of -40 to +85°C, temperature compensation of the crystal-controlled synthesiser is accomplished using the onboard temperature sensor which may be used by the host system.

The range comprises 433-434 MHz and an 868 to 920 MHz multifrequency transmitter and transceiver modules, plus a development kit with a USB interface.