Up and running right out of box, Model ER900TRS utilizes easyRadio software technology and has all required communications protocols embedded in onboard memory. It operates between 860- 920 MHz as well as US-approved 902-928 MHz and pan-European 868-970 MHz bands. Measuring 38 x 14 x 4 mm, module integrates radio, microcontroller, and power supply circuitry in 9-pin SIP. Serial input and output lines simplify host equipment interface.