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  • Lightweight and compact transmitter that delivers up to 5 watts of power.
  • Can transmit two frequencies simultaneously.
  • Audio feedback confirms a good circuit before beginning a trace.



Direct Connect 1 kHz, 8 kHz, 33 kHz, 262 kHz.*
Induction 1 kHz, 8 kHz, 33 kHz, 262 kHz.*
* Up to 93 kHz for devices sold in Europe.

Support Documents

Catalog Sheet
Parts List

Ordering Information

Catalog Number Description Weight
lb. kg
21898 SeekTech ST-305 Transmitter  2.5  1.9  Buy Now