The Transmitter Solutions Firefly 300MCD21K3 is the new style one-button key
chain style radio transmitter that works with all Multi-Code
and Multi-Code compatible radio receivers used on garage door or gate openers that have 10 DIP on/off type code switches on the 300MHz frequency.
The new design 300MCD21K3 replaces the older 300MCD21K model. The Multi-Code
radio controls are a very popular brand
used with automatic gate system for apartments and gated communities as well as older garage door openers. This is a brand new item that comes from the manufacturer as a dealer bulk purchase pack and are individually wrapped in a plastic bag (no box) and
include quick release key ring, battery (installed) and programming instructions.
The Stinger 300MCD21V2 remote by Transmitter Solutions is directly compatible with the following models to control one device:
Carper: CX-300
Chamberlain: 300MC.
Challenger: MC1010, MC1020, MC4210, MC4220.
Digi-Code: 5010, 5030, 5040, 5060, 5070.
Heddolf: M219, M220, 220-300, 219-300.
Multi-Code: 1089, 3060, 3070, 3083, 3089, 4120, 4140, 306010, 307010, 308301, 308911, 412001, 414001.
Multi-Elmac: All models.
Transmitter Solutions: 300MCD21K,300MCD21V, 300MCD22K, 300MCD22V
Not all compatible models may be listed.
Product Features:
Activates one Multi-Code or compatible radio receiver
Test/operate LED
Quick release key ring attachment supplied
One-Year manufacturers warranty
Specifications:
Power: 12V A23 battery (included)
Frequency: 300MHz
Codes: 1,024 (set by dip switches)
Dimensions: 2.125 x 1.5 x 0.5 inches
If you are not positive that this is the correct item for you, please email us. We are more that happy to assist you in determining the correct item for you. If you need to contact us for assistance please have the Make and Model number of the garage door
opener, radio receiver or transmitter. We would rather have you contact us than end up with the wrong item and have to return it.
