Reverberant chambers

Shielded chambers

Gtem Cells

Semi-anechoic Chambers

EMC Antennas

Wi-Fi Antennas


 The GTEM cell is, in principle, a tapered coaxial line (offset septum plate), which is terminated by a hybrid combination of discrete resistors and RF absorber to achieve a 50 Ohm broadband match. It is applied for the measure of Radiated emissions and radiofrequency field-immunity tests.

The GTEMCELL GTEM 1250 family consist of  the:

  • GTEM-1300 F made with  Ferrite tiles on the bottom and 45cm Hybrid pyramidal carbon-foam absorbers (RAM).
  • GTEM-1300 F-FR made with  Ferrite tiles on the bottom and 45cm Hybrid pyramidal multilayer metal oxide film absorbers H450-B (RAM) .
  • GTEM-1300  is made with  51 cm truncated pyramidal carbon-foam absorbers  HPT (RAM).
  • GTEM-1250   is made with  65cm pyramidal carbon-foam absorbers HPP (RAM).





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GTEM 1250  –  Main Technical Specifications / Max EUT Size
Frequency range 0,01 MHz – 20GHz*
Septum Height [mm]: 1250
Max EUT Size (LxWxH)cm 94 x 94 x 83 cm
Defined test Vol. within 6dB 42 x 42 x 42 cm.
Typical VSWR 1:1,2
Typical VSWR at the critical frequency <1:1,6
Max Input power, W continuous/*pulsed 1,4Kw/*2,5Kw
Input connector 7/16″ + adaptor to N
Nominal impedance 50
Window in the door Diam.200 mm.
Empty Technical panel N.2 Diam.200 mm.
Mechanical Dimensions
Outer LxWxH [cm]: 610×325,6×215,6cm.+25 cm trolley
Door WxH [cm]: 80×120
Weight Kg. Approx. 1200
Wheeled undercarriage 25cm high
Electrical Specifications
Mains connectors Fix/CEE
Main Switch 16A magneto-thermal
Input Socket plug 16Aac (Single phase + ground)
Output Socket EUT tape 16Aac (Single phase + ground)
Additional EUT sockets Optional
Ground connection M6 bolt
AC filter wires (Single PH+Ground) 16Amp. 2 wires
Channel for fiber optic leads 3 couples
RF feed-thru connectors N.1 N-N, N.2 SMA-SMA
Indoor LED Light N.2x20W
Secondary EMI AC/DC Filter N.1  10A AC/DC filter
Electrical Equipment / Options
AC filter 30A/2 wire (2PH+Ground)
AC filter 16A/4 wires (3PH+N+Ground)
DC filter feed-through 300A  450V
Electrical safety interlock
9-poles signal filter (DB9)
25-poles signal filter (DB25)
Channel for fiber optic leads (6 couples)
Additional RF feed-thru N-type connector
Additional RF feed-thru SMA type connector
RJ11 (RJ9) feed-thru connector
Technical panel pre-drilled for options
Video camera system
Mechanical Equipment / Options
Gas / Water feedthrough plates
Honeycomb panel
Fans N.1 12x12cm


 Dimensions Gtem1250



Door Dim. 800x1200mm

Tech. panel with Multimedia EMI Filters

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