Nanjing Rflight Communication Electronics Co., Ltd. (C)2019



Desktop PIM Testing System

basic information
Product description
Desktop PIM Testing System
Testing freq. range: 100MHz-40GHz
Testing power: 2×43dBm-53dBm(20W-200W)
Application: Passive components & system intermodulation test
Remark: Working frequency and output power customization is allowed base on customer


Product Features


  • Bands covering 700BAND, CDMA800, EGSM900, GSM900,
    DCS1800, TD-SCDMA1800, PCS1900, TD-SCDMA2000,
    WCDMA2100, LTE2600.
  • System 3rd Order intermodulation sensitivity better than
    -168dBc, meeting various passive components testing
  • Suitable for IMD 3,5,7,9 etc. high order intermodulation signal
  • Multi protections and inspection functions.
  • Flexible combinations to achieve single band, full band testing
    at lowest cost.
  • Effective cooling, stable and reliable. Capable to generate
    printable test report.
  • Through software control easily realize the test mode switching: fixed or sweep frequency test, transmit or reflect test.
  • Outstanding cost-effectiveness.


NTPIM-XXXXD Series Desktop PIM Testing System Specifications:
Take an example of transmit/reflect desktop PIM testing system models:
Model No. Tx Freq. Rx Freq. IMD Order
NTPIM-700DB 728-746MHz 698-716MHz IM3-IM9
NTPIM-L700DB 728-757MHz 776-787MHz IM3-IM9
NTPIM-H700DB 758-803MHz 703-748MHz IM3-IM9
NTPIM-D800DB 790-822MHz 832-862MHz IM3-IM9
NTPIM-800DB 869-894MHz 824-849MHz IM3-IM9
NTPIM-900DB 925-960MHz 880-915MHz IM3-IM9
NTPIM-1800DB 1805-1880MHz 1710-1785MHz IM3-IM9
NTPIM-T1800DB 1880-1900MHz 1915-1920MHz IM3
NTPIM-1900DB 1930-1990MHz 1850-1910MHz IM3-IM9
NTPIM-T2000DB 2017.5-2025MHz 2010MHz IM3
NTPIM-2100DB 2110-2170MHz 1920-2060MHz IM3-IM9
NTPIM-2600DB 2620-2695MHz 2545-2580MHz IM3-IM9



  • Above are regular bands, customization is allowed for special bands.
  • Due to limitation of the duplexer and other components size, other integration method will be adopted if the product enclosure size is larger than 6U.
  • Support single reflect, dual reflect and reflect-transmit test modes.
  • Support build-in IPC with touch screen; build-in IPC with external display; external PC & display.


Key Technical Data
Testing Signal
Freq: AMPS800, EGSM900, GSM900, DCS1800, PCS1900, TD-SCDMA A/B, UMTS2100 compatible.
Freq accuracy: ±2ppm typical ±5ppm,maximum
Test port power: 2 channel carrier wave signal, min. +20dBm to max. +46dBm
Output power accuracy: ±0.25dB typical ±0.3dB maximum
Display: PC display
Data access: allowed to save test result through designated port, auto generate test report in MS Word format,
screenshot is allowed for all test data.
Receiver Technical Performance
Average floor noise: -138dBm,maximum
Dynamic range: 80dB,typical
Max working input power: -63dBm RMS ( transmit & receive freq. combined )
Max safe input power: 20dBm ( combined power at any freq. )
Reflect power protection: 50dBm ( 100Watts )
Over-VSWR protection: VSWR≥3
Over-heat protection: ≥60℃
Self-intermodulation (2x43dBm): < -168dBc(typical reflect mode) < -172dBc maximum
(2×43dBm):< -160dBc typical(typical transmit mode) < -163dBc maximum
Size: 480mm(W)×600mm(D)×225mm(H)(Single Deck)
Pre-heat time: 3 minutes
Power supply: 100~240V AC,50/60Hz.
Working temperature: Max -10~+45°C; recommended +15~25°C
System Software
Testing modes: Fixed freq, time-domain, sweep freq
Remote control ( optional ): RS232, USB, LAN ( TCP/IP )
On a
Inter-System Multi-Order PIM Testing System
The next article
NTPIM-XXXXE Series Outdoor PIM Testing System