Transmission mode

Cable and Antenna Analyzer with Transmission Mode

The iVA-TMA is a software option that adds Transmission Mode measurement capability to the iVA Cable and Antenna Analyzer. The iVA-TMA includes all of the existing features of the base iVA model, plus a suite of multi-port Transmission testing options.

Transmission mode enables two or more iVAs to operate in a coordinated fashion to perform accurate swept insertion loss, antenna isolation and antenna radiation pattern measurements.

Sample Testing Scenario:

6 iVAs with Transmission mode can be used to perform measurements on a multi-port antenna. This configuration covers all 36 transmission pathways (6x6), including return loss at each port (6 measurements) and the transmission loss between each possible pair of ports (30 measurements).

Transmission mode requires 2 or more iVA-TMAs.


  • Directly measure insertion loss and isolation
  • Up to 7 units can be connected together via Bluetooth
  • Accurately measure transmission loss (Magnitude only)
  • 90 dB dynamic range
  • Comes with all features of base iVA

iva-tma technical specifications
iva analysis mode - multi-port transmission
Sweep speed 10 ms per frequency point
RF output power 0 dBm ±3 dB
Dynamic range 90 dB
Transmission loss
measurement accuracy
Accuracy specifications only applicable where return loss of DUT is greater than 10 dB.
0 - 10 dB ± 1 dB
10 - 60 dB ± 2 dB
60 - 90 dB ± 3 dB
Interference immunity  
0 - 60 dB -5 dBm at 500 KHz offet from stimulus frequency
60 - 100 dB -25 dBm at 500 KHz offset from stimulus frequency
base iva specifications
key specification - refer to base iva datasheet for full specifications
iVA analysis modes Return Loss, VSWR, Cable Loss, Distance to Fault (DTF), Isolation, Spectrum Monitor
Frequency range 560 - 2750MHz
Minimum frequency increment 1kHz all modes
Number of measurement points 1 to 2191
DC power consumption  
Return loss mode 4.7W
Transmission mode 4.7W
Spectrum monitor mode 3.7W
Standby (Idle) 0.6W
Battery Lithium-Ion 3.6V, 2350 mAh, 8.5Wh
Battery charging method USB-compatible power source connected to USB port of iVA
Battery operating time 8 Hours at typical usage factor
instrument control
User interface USB or Bluetooth supported user device with iVA application software installed
Supported devices iPA Portable PIM Analyzer
Tablet computer (iOS & Android)
Smartphone (iOS & Android)
PC, Windows 7,8 & 10 running .NET verson 4 or later
Communications interface to iVA Bluetooth and USB 2.0
Bluetooth antenna Integrated into housing
Maximum input power on RF port +23dBm maximum, DC voltage ±30V
technical specifications
Dimensions H x D x W 52 x 69.5 x 216mm | 2.06 x 2.73 x 8.51in
Weight 0.68kg | 1.5 lbs
Connector 1 RF test port
iVA-0627A: Type N male, 50 ohms
iVA-0627B: 4.3-10 male, 50 ohms
Connector 2 USB 2.0 Mini-B (for charging and connection to iPA or PC)
Mechanical shock & vibration MIL-PRF-28800F Class 2, ETS 300 019-2-1, -2, -7
Temperature range -10°C to +55°C | +14°F to +131°F (operational)
Ingress protection IP54
Altitude 4600m | 15,000ft maximum
Compliance EMC- EN 61326-1:2013, EN 61326-2-1:2013, EN 55022:2010 “Class A”
EN 61000-4-2, 4-3, 4-4, 4-5, 4-6, 4-11
Safety- EN 61010-1:2012, EN 61010-030:2012
Operational humidity 5% to 95% RH non-condensing
Storage temperature range -20°C to +60°C | -4°F to +140°F
ordering information
1. choose base iva with desired accessories
Part Number Description
iVA-0627A-NC iVA Cable & Antenna Analyzer System, Type N male connector with Neoprene Soft Case
iVA-0627A-HC iVA Cable and Antenna Analyzer System, Type N male connector with Hard Case
iVA-0627A-BK iVA Cable & Antenna Analyzer System,Type N male connector with Basic Accessory Kit
iVA-0627A-SK-02 iVA Cable & Antenna Analyzer System, Type N male connector with Standard Accessory Kit
iVA-0627A-PK-02 iVA Cable & Antenna Analyzer System, Type N male connector with Premium Accessory Kit
2. add iva transmission mode
Part Number Description
iVA-SW-TMA Base iVA + Transmission Mode
Contact Kaelus at 1.303.768.8080 or +1.800.498.1352 to obtain addtional information, request a quote or receive unit pricing on the Kaelus iVA-TMA analyzers.
mechanical interface