EMF Exposure Systems
SAR slice banner



Tests radiofrequency electromagnetic field exposures from mobile communication devices operating in the 900 MHz region (additional frequencies upon request). The setup is based on two Crawford TEM cells that are blindly excited by a fully computer-controlled signal unit.

sXcTEM835 in vitro exposure system


Exposure setup (placed inside incubator) 30 × 40 × 60 cm (d × w × h)
  Signal tower (beside incubator) 60 × 60 × 70 cm (d × w × h)

 Cell Cultures

Cell type cell monolayer and cell suspension
  Cell preparation 4 T25 flasks
  Loading volume of cell medium 80 cm³, 20 ml


Carrier frequency 835 MHz, others on request
  Modulation schemes GSM nonDTX
GSM talk
arbitrary pulse structure
continuous wave
any AM waveform of 64000 points on request
  Intermittent exposure arbitrary on/off cycles with 10 s resolution

 Dosimetric Key

Peak SAR (20 W amplifier) monolayer: 100 W/kg
suspension: 100 W/kg
  Nonuniformity of the SAR distribution monolayer: 40%
suspension: 40%
  Temperature rise for exposed cells monolayer: 0.05°C/(W/kg)
suspension: 0.05°C/(W/kg)

 Exposure and
 Environmental Control

· full software control of the exposure with self-detection of malfunctions
· blinded exposure protocols
· transmitted power monitoring and feedback regulation by power sensors
· air temperature monitoring by Pt100 probes
· monitoring of fan driving currents
· data logging every 10 s

The complete bundle includes the TEM cells, signal tower, PC with software, and a suitable CO2 incubator. Also included is installation of the setup at the target laboratory as well as personnel training sessions. Pricing and detailed specifications available on request.

For more information please contact us: customized@itis.swiss.