Looking for Info Motorola T-1380

I picked up a Motorola T-1380 DC Remote from a junk pile today, I'm looking for information on it as I'd like to try to interface it to something.

Attached is a picture of the device.

T-1380AE/T1380/T1380AE.

I found a picture of one on Wikipedia.

Batman Line One, Batman Line One.

Call for you on the Bat Phone.