The ADEUNIS RF ARF868MR series radio modems feature a 4 km range, 25 mW power, 14 dBm RF radiated power, -120 dBm sensitivity (BER10-3), frequencies from 863 to 870 MHz, up to 57.6 kbps RF data rates, 60 channels at 14 dBm and 57.6 kbps or 500 channels at 14 dBm and 2.4 kbps. The ARF868MR is equipped with a SubD9 serial connector which offers automatic recognition of 115.2 kbps serial data rate, with "Autobaud" function, or RS232 and RS485 series ports, with optional USB, with or without RTS/CTS flow controls. They can operate in the transparent, network, addressed and repeater modes. The Legacy mode offers compatibility for Adeunis RF X3-PRO models. These modems are EN300-220 certified, and guarantee a durable and stable operation.