(Ad from 1974 TDI Conference Proceedings)
OMNITEC INTRODUCES THE MODEL 501A
Now available is an inexpensive coupler for teletype use from one of the oldest
and most respected names in acoustic couplers - OMNITEC.
Even with the low price, this unit features - half or full duplex switching, carrier
indicator light, minimum installation time, off-the-shelf delivery in most quantities,
but most of all - the OMNITEC high standard of quality.
Sounds too good to be true? Call us and see -
2405 South 20th Street
Phoenix, Arizona 85034