Available in 170kHz and 200kHz versions.
Replacements for now discontinued and out of stock parts B&G 401-00-011, B&G 610-0A-027, B&G 199-00-018 and B&G 610-0A-040. The 170kHz version is for use with B&G H2000 and B&G H3000 systems. The 200KHz version is for general use.