Check the listing for details. Linear MCT-1 DNT00083 DNT00091 318MHz Remote Control Mega Code Opener LDO33/50. Condition: New. Listed at 19.95 USD. Linear MCT-1 DNT00083 DNT00091 318MHz Remote Control Mega Code Opener LDO33/50 Replaced with DNT00091 MTS-1 Single button transmitter MegaCode format Activates one deviceLinear MCT-1 part number DNT00083 is compatible with the following model receivers and garage door openers to control one device:Radio Receivers: MDR/U, MDR, MDR-2, MDRG, MDRM, MGR, MGR-2, SMDRG, AP-4, AP-5 (in none block code mode).Garage Door Openers: LDCO800, LDO33, LDO50, LSO50, LCO75 Not all compatible models may be listed Features Controls one MegaCode radio receiver or Linear garage door openerIncludes visor clip10 second timeout featureOne-Year manufactures warranty Specifications Frequency: 318MHzCodes: Factory pre-coded to one of 1,000,000+ codesDimensions: 3.75 x 2.16 x 0.95 inches