Nice RD300 Manuel D'installation page 22

Technical characteristics:
Type
Frequency
Coding
buttons
Power supply
Absorption
Battery life
Irradiated power
Dimensions and weight
Protection class
Operating temperature
20
transmitter: FLO2
2 channel transmitter for radio command
Digital fixed code with
12 Bit code, FLO type
1 year, estimated on the basis of 20 commands/day, each lasting 1s at 20°C
(at low temperatures the efficiency of the batteries decreases)
72 x 40 h 18mm; 30g
IP40 (suitable for use indoors or in protected environments)
transmitter: FLO2R-S
433.92MHz
Digital Rolling code
with 52 Bit code, FLOR type
2
12Vdc with 23A battery
25mA
100µW
72 x 40 h 18mm; 30g
-40°C ÷ 85°C
transmitter: SM2
Digital Rolling code with
64 Bit code, SMILO type
Diameter 48 h14mm / 19g