3.2-Inch Touch Screen Spectrum Analyzer 4.4G Signal Generator 45-4400 MHz Wide Frequency Range High Accuracy 600 MHz/s Fast Sweep Speed
Direct purchase from the factory 
Malipo Salama Yanahakikishiwa
Zawadi ya Bure
Sera ya Usafirishaji
Sera ya KurudishaZawadi ya Bure
Karibu Roymall, tovuti yako ya kitaalamu ya kununua zawadi za hifadhi ya duka. Tunathamini na kushukuru msaada wako, na tunataka kuonyesha shukrani yetu kwa kuongeza kipengele cha msisimko wa ziada kwa ununuzi wako. Unaponunua nasi, sio tu utapata bidhaa za hali ya juu zinazoboresha maisha yako, lakini utapata pia zawadi ya bure ya kipekee kwa kila agizo lako. Tayari kuchunguza mkusanyiko wetu na kupata zawadi zako kamili? Chunguza uteuzi wetu wa bidhaa za hifadhi ya duka, weka agizo lako na subiri msisimko wa zawadi yako ya bure kufika pamoja na ununuzi wako.Sera ya Usafirishaji
Tutafanya kazi kwa bidii kukufikishia bidhaa baada ya kupokea maagizo yako na kuhakikisha zinafika salama. Maelezo ya uwasilishaji yatakuwemo kwenye barua pepe yako ya uthibitisho.Kwa hali ya kawaida, maagizo huchakatwa ndani ya siku 2. Katika hali maalum, yanaweza kucheleweshwa kama ifuatavyo: Unapoagiza Jumamosi, Jumapili au siku za likizo, itacheleweshwa kwa siku 2.Kwa kawaida, inahitaji siku 5-7 za kazi (Jumatatu hadi Ijumaa) bila kuathiriwa na ucheleweshaji wa ndege au mazingira mengine.Kwa sababu huduma yetu ya usafirishaji ni kimataifa, muda wa uwasilishaji utategemea eneo lako, kwa hivyo inaweza kuchukua muda na tafadhali subiri kwa subira ikiwa uko katika wilaya au nchi za mbali.1. Sera ya Kurudisha na Kubadilisha
Tunakubali tu bidhaa zilizonunuliwa kutoka roymall.com. Ikiwa unanunua kutoka kwa wasambazaji wetu wa ndani au wauzaji wengine, huwezi kuzirudisha kwetu. Bidhaa za mauzo ya mwisho au zawadi za bure hazikubaliki kwa kurudisha.Ili kuwa na haki ya kurudisha, bidhaa yako lazima isitumike na iwe katika hali ileile uliyoipeleka. Pia lazima iwe kwenye pakiti ya asili.Baada ya kupokea maagizo ya kurudisha kutoka kwetu, tafadhali pakiti bidhaa zako zilizorudishwa na kuacha kifurushi chako kwenye ofisi ya posta ya ndani au mtoa huduma mwingine wa usafirishaji.Tutachakata bidhaa yako ya kurudisha au kubadilisha ndani ya siku 3-5 za kazi baada ya kuipokea. Rudi pesa itachakatwa na kuwekwa kiotomatiki kwenye njia yako ya awali ya malipo.Hakuna kurudisha au kubadilisha kunaweza kukubaliwa ikiwa bidhaa ilitengenezwa kwa maagizo maalum, ikiwa ni pamoja na saizi maalum, rangi maalum au uchapishaji maalum.Ikiwa unahitaji msaada zaidi, tafadhali wasiliana nasi. service@roymall.com au Whatsapp: +8619359849471
2. Sera ya Kurudisha Pesa
Utapata rudi pesa kamili au stoo 100% ya stoo baada ya kupokea na kukagua kifurushi kilichorudishwa. Rudi pesa itachakatwa kiotomatiki kwenye njia yako ya awali ya malipo.Tafadhali kumbuka kuwa gharama za usafirishaji na ushuru wowote au ada hazirudishiwi. Gharama za ziada za usafirishaji hazirudishiwi mara tu kifurushi kimetumwa. Wewe ndiye mwenye jukumu la kulipa ada hizi na hatuwezi kuziacha au kuzirudisha, hata kama agizo litarudishwa kwetu.Mara tu tutakapopokea na kuthibitisha bidhaa yako iliyorudishwa, tutakutumia barua pepe kukujulisha kuwa tumepokea bidhaa yako. Pia tutakujulisha kuhusu uthibitisho au kukataliwa kwa rudi pesa yako.Ikiwa una shida yoyote kuhusu mchakato wa kurudisha pesa, tafadhali wasiliana nasi. service@roymall.com au Whatsapp: +8619359849471Specifications:
- Displayed Frequency Range: 35-4400 MHz
- Measured Frequency Range: 45-4400 MHz
- Dynamic Range:
- 75 dB (45-3000 MHz band)
- 70 dB (3000-4400 MHz band)
- Maximum Bandwidth: 4355 MHz
- IF Bandwidth (Fixed): 200 kHz
- Sweep Speed:
- With span > 100 MHz: 600 MHz/s
- Sweep Time of 100 MHz Span: < 0.25 s
- Detectable Signal Duration at 10 MHz Scan Span: 20 ms
- Noise Floor:
- Up to 3000 MHz: < -100 dBm
- 3000-4500 MHz: < -95 dBm
- 4500-6200 MHz: < -90 dBm
- Input Impedance: 50 Ohm
- SWR in Operating Frequency Range: < 1.5
- Internal Attenuator: 0-30 dB
- Attenuation Error:
- Up to 10 dB: 2 dB
- 10 to 20 dB: 5 dB
- 20 to 30 dB: 8 dB
- Built-in Tracking Generator Frequency Range: 35-6200 MHz
- Tracking Generator Output Power: -15 to -25 dBm
- Signal Display Accuracy within Dynamic Range: 2 dB
- Maximum Input Power:
- With 0 dB Attenuator: +10 dBm
- With > 20 dB Attenuator: +20 dBm
- Measured Maximum Input Signal: +10 dBm
- Maximum RF Input DC Voltage: 5V
- Maximum Supply Current:
- Battery Mode: 450 mA
- USB Mode (charging): 500 mA
- Battery Capacity: 3000 mAh
- Continuous Operation Time on Battery: 3 hours
- Battery Charging Time: ~4 hours
- Dimensions: 155x81x27 mm
- Weight: 0.49 kg
Features:
1. Wide Frequency Range: Capable of scanning frequencies from 45 MHz to 4400 MHz with an internal attenuator and amplifier, covering a broad spectrum for various applications.
2. Efficient Sweep Speed: Provides a fast sweep speed of 600 MHz/s with a span of more than 100 MHz, allowing for quick and efficient spectrum analysis.
3. High Accuracy: Offers a high dynamic range (up to 75 dB) and low noise floor (< -100 dBm up to 3000 MHz), ensuring precise and reliable measurements.
4. Enhanced Display: Features a 3.2-inch color resistive touch screen combined with button controls, providing a user-friendly interface for easy operation.
5. Long Battery Life: Equipped with a 3000 mAh battery that supports continuous operation for up to 3 hours, ensuring longevity for fieldwork and extended use.
Package Included:
1 x 4.4G Spectrum Analyzer & Signal Generator
1 x USB Type-C Connecting Cable
1 x SMA_BNC Connector
1 x Touch Pen
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