Table 2.

Dimensions of the miniature transmitter compared to the smallest types offered by commercial manufacturers

TypeLength (mm)Width (mm)Height (mm)Volume (μ1)Mass (g) (range)Data source
Large Q5.43.42.953.20.135 (0.125-0.140)
Small Q5.23.12.337.10.084 (0.081-0.087)
Holohil7.04.64.0128.80.240F. Anderka, personal communication (www.holohil.com)
Titley7.05.02.587.50.220 www.titley.com.au
Biotrack8.05.04.0160.00.210W. Cresswell, personal communication (www.biotrack.com)
  • Size and mass are given for the ready-to-use transmitter without battery.