CERAMIC ULTRASONIC AIR TRANSDUCER TRANSMIT & RECEIVE PAIR.

PANASONIC Part # EFR-TSB40K5 TRANSMITTER,

& PANASONIC Part # EFR-RUB40K25 RECEIVER

1 OF EACH PER LOT.

(If you want 2 pairs, buy 2 lots) 

NEW OLD STOCK PARTS

High Quality bimorph disc type 40KHz Piezoelectric ceramic vibrators. 

These wide bandwidth ultrasonic transmitters & receivers are perfect for robotic projects, alarms, proximity sensors, remote controls, automatic door openers, etc...

Transmitter specs:

>105dB output (minimum) 

TYPE 'S' = TEMPERATURE STABLE

Receiver Sensitivity = -45dB min.

We will gladly combine multiple item purchases to save you money on shipping costs!