DorTech DorGo 4 button remote transmitter

Description:

DorTech DorGo 4 button remote transmitter has a chrome metal outer with a black plastic center.  This remote includes a snap clip for quick and easy attachment to a key ring although it can be removed . The DorGo remote transmits a rolling code in other words, the remote does not transmit the same code twice. This remote is typically used on DorGo 800 Sectional door motors although it is possible to use a DorGo remote on other products. This can be done by using a DorGo external receiver and connecting it to other devices such as alarms and gate motors.  

Specification of DorTech DorGo 4 button remote transmitter:

Frequency: 433mHz
Battery: GP23 12v
Dimensions: 52 x 32 x 13mm
Coding: Rolling code
Program difficulty: Moderate, requires access to DorGo motor.

DorTech DorGo Programming manual