RF 4-channel transmitter for DIN rail mounting. Suitable for industrial or domestic use. The transmission of the channels starts when their respective dry contact input (normally open) is closed. Frequency: 433.92 MHz. Modulation: AM / ASK. Coding: Keelog Rolling Code. Power E.R.P: 1.50 mW. Scope: 100-200 m. Possibility of adding an auxiliary antenna (ref SEA433). 4 channels The channels are activated when their corresponding dry contact input (normally open) is closed. DIN rail mounting. Module of 2 holes of DIN rail. Compatible with all CDVI® receivers. Dimensions: 60 x 90 x 30 mm. Feeding: 12 Vac / cc. Consumption: 4.5 mA (stanby) | 45 mA (1 channel activated) | 75 mA (2 channels activated).