Aico Ei168RC RadioLINK Mains Powered Base Rechargeable Lithium Backup The Ei168RC RadioLINK Base is an easi-fit mounting plate with built-in RadioLINK technology. It provides wireless interconnect between alarms, i.e. when one alarm is triggered, all alarms in the system sound. Features Mains powered base with rechargeable lithium cell back-up Add this to the 140RC series alarms for RadioLINK wireless interconnection Compatible with other Aico wireless interconnection products Eliminates tricky wiring runs Saves time, mess and money Makes it easier to add in new alarms and accessories Specifications Supply Voltage: 230V AC, 50Hz Battery Back-up: Rechargeable lithium RF Frequency: 868, 499Mhz RadioLINK protocol. RF Power: +5dBm. RF Range: 30 metres System Size: 12 RadioLINK devices max. Operating Temperature: 0 to 40°C. Storage – 0 to 35°C (in a dry area). Humidity Range: 15% to 95% relative humidity. Indicators: Blue LED for RF and fault signals. Plastic Material: UL94V0 flame retardant Dimensions – Product: 150mm dia. x 37mm (20mm installed). Guarantee: 5 years Approvals: CE certified / EN300220-3 (RF) / 301498-3 (EMC). Data Sheet: Click Here for Data Sheet Instruction: Click Here for Instruction