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LoRa Wireless Module 433Mhz Serial Port Transceiver Low Power 8KM Transmission Distance UART Transceiver

4.1

★★★★★

109

$3.99 /$4.87

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$3.99 /$4.87

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Kadi ya Mkopo au Debiti

Malipo Salama Yanahakikishiwa

Zawadi ya Bure

Zawadi ya bure kwa kila ununuzi

Sera ya Usafirishaji

Usafirishaji wa kawaida bila malipo kwa maagizo zaidi ya $9.9

Sera ya Kurudisha

Rudisha bidhaa zitakubaliwa ndani ya siku 40 tangu tarehe ya kupokea bidhaa. Bidhaa zilizobuniwa haziwezi kurudishwa au kubadilishwa. Bidhaa zilizonunuliwa na kadi ya zawadi ya elektroniki zinaweza kubadilishwa tu; rudi pesa haifai.

Zawadi 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: +8619359849471

Specifications:

SMA Adapter Cable

Operating Frequency: 0-6GHz

Antenna Efficiency: 35-80%

VSWR: <1.8

Polarization Mode: Vertical polarization

Antenna Interface: SMA external thread internal hole/IPEX generation

Impedance: 50u03a9

Antenna Size: 120mm

Power Capacity: 33dBm

Operating Temperature: -30°C to 70°C

DX-LR01-A 433~475MHz Module

Chip: ASR6601 SOC chip

Hardware Interface: UART

Operating Frequency Band: 433~475MHz

Transmitting Power: 0~22dBm

Reference Distance: Open viewing distance up to 8KM, urban distance up to 3.8KM

Receive Sensitivity: -138dBm

Operating Voltage: 3V-5.5V (typical value: 5V)

Module Size: 36mm x 16.5mm

Antenna Interface: External Antenna

DX-LR01 433~475MHz Module

Chip: ASR6601 SOC chip

Hardware Interface: UART

Operating Frequency Band: 433~475MHz

Transmitting Power: 0~22dBm

Reference Distance: Open viewing distance up to 8KM, urban distance up to 3.8KM

Receive Sensitivity: -138dBm

Operating Voltage: 3V-3.7V (typical value: 3.3V)

Module Size: 19.0(L) x 16.5(W) x 2.4(H)mm

Antenna Interface: External Antenna

433MHz Magnetic Base Antenna

Frequency Range: 433MHz

Antenna Size: 1.5m cable length

Antenna Gain: 5dBi

VSWR: <1.8

Antenna Interface: SMA female connector

Impedance: 50u03a9

Antenna Efficiency: 35-80%

Operating Temperature: -40°C to 85°C

Storage Temperature: -40°C to 80°C

433MHz Glue Stick Antenna

Antenna Efficiency: 35-80%

Frequency: 433MHz

Gain: 3dBi

Polarization: Vertical polarization

VSWR: <1.8

Antenna Size: 50mm

Impedance: 50u03a9

Antenna Interface: SMA inner screw inner needle

Operating Temperature: -30°C to 70°C

Features:

1.Wide Frequency Range

The SMA Adapter Cable and 433MHz Antenna Series cover a broad frequency range, making them highly versatile for various RF applications and cutting-edge wireless communication technologies.

2.High Antenna Efficiency

With an antenna efficiency ranging from 35% to 80%, these products offer excellent performance in signal transmission and reception, ensuring reliable and consistent connectivity.

3.Long-Distance Transmission

The DX-LR01 module supports an open viewing distance of up to 8KM and 3.8KM in urban areas, facilitating applications in remote monitoring, agricultural automation, and wireless communication over long distances.

4.Robust Construction for Extreme Conditions

Designed to operate in a wide temperature range, from -40°C to 85°C, both the magnetic base and stick antennas perform effectively in extreme environmental conditions, ensuring stability and reliability in various field applications.

5.High Compatibility and Integration

The modules and antennas feature standard SMA connectors and UART interfaces, providing high compatibility and easy integration with various hardware platforms and devices for seamless functionality.

Package Included:

Pakage #1:

1 x SMA Adapter Cable

Pakage #2:

1 x DX-LR01-A 433~475MHz Module

Pakage #3:

1 x DX-LR01 433~475MHz Module

Pakage #4:

1 x 433MHz Magnetic Base Antenna

Pakage #5:

1 x 433MHz Glue Stick Antenna

Pakage #6(Lora Developer Kit):