Power Source24 V DC (supplied from the IR-702T)Current ConsumptionMax. 60 mAInfrared DetectorWavelength870 nmCarrier FrequencyChannel A: 3.100 MHzChannel B: 3.350 MHzCommunication AreaApprox. 7 m (22.97 ft) in radius from the point underneath the unit(Ceiling height: 2.5 - 3.0 m (8.2 - 9.84 ft), in a space without any obstacle) Connection Terminal75 Ω, BNC jackOperating Temperature0 ℃ to +40 ℃ (32 ゜F to 104 ゜F)Operating Humidity30 % to 85 %RH (no condensation)FinishFilter section: Polycarbonate, optical cut filterBase: ABS resin, blackDimensionsφ120 × 71.3 (H) mm (φ4.72" × 2.81")Weight205 g (0.45 lb) (unit only)AccessoryMounting bracket …1