The Sommer Pearl 4 button handset is suitable for Sommer Base+ and Pro+ garage door electric operators as well as backwards compatible with older Sommer and Henderson garage door openers including the Sprint, Aperto, Marathon and Duo vision models.
 
Sommer Pearl 4-command Handset (868 MHz) Features:
 
Bi-directional SOMloq2 radio system.
Backwards compatible.
Disturbance-resistant radio signal.
Collision resistance.
 
Tecnical Details:
 
4 radio commands.
128-bit encryption.
Downward compatible with Somloq rollingcode radio system.
Frequencies of FM 868.8 MHz and FM 868.95 MHz.
Range of approximately 60 to 150m.
Battery type - 3 V, CR 2032.
 
Dimensions 
 
Length: 79mm.
Width: 26mm.
Depth: 13mm.