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Kroks Portable RF spectrum analyzer Arinst SSA 25-6000 MHz

  • Kroks Portable RF spectrum analyzer Arinst SSA 25-6000 MHz
  • Kroks Portable RF spectrum analyzer Arinst SSA 25-6000 MHz
  • Kroks Portable RF spectrum analyzer Arinst SSA 25-6000 MHz
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Product Description

Kroks Portable RF spectrum analyzer Arinst SSA 25-6000 MHz

Arinst SSA is a panoramic spectrum analyzer designed to display signal spectrums in the frequency range from 25 to 5999 MHz. The analyzer finds the amplitude and frequency of spectral components of the analyzed process.

Spectrum analyzer is able to find the signal amplitude for all widely used technologies: Wi-Fi, 2G, 3G, 4G, LTE, CDMA, DCS, GSM, GPRS, GLONASS and others.


Arinst SSA is primarily intended for field operation. The device is rugged and light with low energy consumption. It enables service centers and maintenance teams to perform on-the-spot HF analysis for commissioning and repair works. Moreover, the spectrum analyzer is a perfect solution for repair workshops and radio amateurs.

Principle of operation

The spectrum analyzer is a portable device that is connected to the measured circuit and has an independent power supply.

The device is controlled by one of two ways:
- by an Android powered smartphone or tablet.
- by a PC or laptop with Windows operating system

The data between the analyzer and smartphone/tablet/PC is transmitted through Bluetooth or USB-cable. The Bluetooth range is up to 10 m (Password for connecting via Bluetooth: 1234).

All the measured data is displayed in real time on the screen of the smartphone/tablet/PC.

You can install the analyzer software to control by smartphone or tablet from the Google Play (https://play.google.com/store/apps/details?id=com.arinst.ssa) or download from http://arinst.net/download-apk.php.

You can download the analyzer software to control by PC or laptop from http://arinst.net/download-apk.php.


There is a possibility of device control using API.

You can send the device a command to make a measurement (scanning range) with the following parameters:
- start frequency- stop frequency
- measuring step
- the value of the attenuator

After the command completes, the device Arinst SSA will send the client device  (microcontroller, computer, mobile device, etc.) a message containing the measured values of the amplitudes for the given frequency values. The user can record the received data to a file, database, etc.

Using this API users can customize automatic measurements and use the spectrum analyzer Arinst SSA in their system. The API works in any programming language that supports work with input-output ports (Java, C, C++, C#, Python, Assembler, etc.).

An example of using the API can be downloaded from http://arinst.net/download-apk.php.

Basic functions of the analyzer software

- Displays the signal spectrums graphically and sets up the frequency range and reference limit.
- Sets up and manages absolute and relative (delta) markers.
- Searches one or a series (up to ten) of maximum values of the signal in the instantaneous or tracking mode.
- Sets and stores unique identifiers of the frequency ranges - domains. For instance, a domain titled «DCS UpLink»  can be set for the range 1710-1785 MHz. Additionally, working frequency domains can be set for each operator. This option considerably facilitates the HF analysis and identification for the signals of conventional technologies.
- Has pre-set domains and is able to store the domains in a file and share them with other devices to control the spectrum analyzers Arinst SSA.
- Has the tracing mode that generates a signal spectrum averaged by a number of measurements. In addition to the average spectrum, extreme values and moving average values can be displayed as well.
- Stores the settings for the spectrum scanning (band limits, attenuator value and others) for a quick and easy switching into the required measurement mode.
- Stores the spectrum signal with markers for later analysis. Then the stored graph can be opened in any Android device with the application «Arinst SSA» (in this event you don’t need to have the spectrum analyzer at hand) or use the table editor to convert the graph into the  required type of data display. 


- low price
- wide frequency range: 25 to 5999 MHz
- rapid scanning of the frequency range: approx. 1 ms per point
- high measurement precision: 2 dB within the dynamic range 70 dB
- compatibility with most Android powered devices and Windows-based computers
- possibility to use one device with the help of several smartphones/tablets/PCs
- exceptionally easy to use in the field: the weight is as low as 360 g, dimensions are 170х80х22 mm, independent supply lasts up to 1.5 h of uninterrupted operation, wireless data transmission to the smartphone/tablet/PC, the device can be power supplied from a smartphone/tablet/PC
- free multifunctional software and free updates for the device control


- Frequency range: 25 — 5999 MHz
- Dynamic range: 70 dB
- Measured dynamic range: ~ 100 dB
- Maximum Span: 1000 MHz
- BW: 570 kHz, fixed
- Sweep 100 MHz: < 0.5 sec
- Noise floor up to 2900 MHz: < - 90 dBm
- Noise floor  2900 - 3900 MHz: < -80 dBm
- Noise floor  3900 - 6000 MHz: - 75 dBm
- Wave impedance: 50 Ohm
- SWR at the operating frequency range: < 1,5
- Attenuator: 0 — 30 dB- Accuracy within the dynamical range 70 dB: 2,0 dB
- Max. input current if supplied from the battery: 350 mA
- Max. input current if supplied from the USB (with the charging on): 500 mA
- Max. input measured signal: +5 dBm
- Max. input DC voltage: 25 V
- Battery life 1000 mAh at least: 1.5 h
- Battery charging time 1000 mAh: ~ 7 h
- Max. input power with attenuator 0 dB: 10 dBm
- Max. input power with attenuator above 20 dB: + 20 dBm

Package Include

* Spectrum analyzer Arinst SSA
* Battery (pre-set inside the device)
* HF adapter SMA(male)-SMA(female) to protect the HF connector from wear-and-tear
* OTG cable mini-USB – micro-USB to connect the device to the smartphone/tablet
* USB cable – mini-USB to charge the device and for data transmission

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