The 2-Channel keychain transmitters are portable transmitters designed for automatic door and gate operator applications that will send a signal to a receiver after pressing any of the buttons These transmitters have a red test/operate indicator and are powered by a 12-volt battery. A molded-in hole in the case is for attaching the transmitter to a key ring.

These transmitters are Multi-Code format with one 10-position coding switch providing 1,024 possible codes. These transmitters will only activate receivers set with the same code

Here's a list of its main features:

• Compatible with 300MHz Multi-Code receivers
• Powered by a 12 volt battery
• Easy access to battery and coding switch(es)
• 1,024 codes per channel
• RF frequency of 300MHz
• Available in 1 and 2 channels configurations