Shure Incorporated
9/11
Specifications
Diameter
40
mm
(1.57 in.) O.D.
Height
39
mm
(1.53 in.)
Weight (without batteries)
57
g
(2.0
oz.
)
Housing
Aluminum
Button
Molded Plastic
Battery Type (not included)
SR44 or equivalent (1.55 V DC)
(Silver oxide recommended; avoid zinc air types)
Operating Temperature Range
−
18
℃
(0
℉
) to 42
℃
(107.6
℉
)
Performance of coin cell batteries are sensitive to cold temperature extremes (< 0C). In these conditions, consider using
Shure’s AD651FOB for applications requiring talk switch functionality.
