Chainway UR4 is an industrial 4-port reader operating on 865-868 MHz / 920-925 MHz / 902-928 MHz. Starting at $600. Look closely at how Nextwaves can bypass middleware costs.
Technical verdict
Do not evaluate UR4 by list price alone. Its strongest fit is a project that already uses RS-232, RJ45, PoE (optional), has time for RF tuning, and accepts extra middleware work. If the engineering team needs open APIs, realtime data, and faster edge-to-cloud deployment, Nextwaves NR155 is the stronger replacement path to evaluate.
Initial cost
$600 before deployment accessoriesPublished throughput
1,300 tags/secondIntegration surface
RS-232, RJ45, PoE (optional)Physical data
164 x 164 x 39 mm; 0.7 kg; IP: IP53Published specs
Minicíocht
Prótacal
Nascacht
Rátáil IP
Toisí
Meáchan
Soláthar Cumhachta
Ráta Léitheoireachta
Meastachán Praghais
Deployment review
This summary is based on public specifications and does not replace an on-site RF survey.
Deployment review
Fixed UHF RFID projects that already use RS-232, RJ45, PoE (optional) and have time for RF tuning.
Do not compare device price only; total cost depends on accessories, software, and integration.
IP53, PoE (optional), DC, 164 x 164 x 39 mm, and 0.7 kg must match the site layout.
Plan for middleware, SDK work, duplicate filtering, and business-event mapping.
Alternative architecture
Is gléas RFID de ghrád tionsclaíoch é an Chainway UR4. Oibríonn sé laistigh den raon 865-868 MHz / 920-925 MHz / 902-928 MHz agus tacaíonn sé leis an gcaighdeán EPC Global UHF C1 Gen 2, ISO 18000-6C, rud a fhágann go n-úsáidtear go forleathan é ar fud iarratais lóistíochta fiontraíochta.
Le rátáil IP de IP53, cuireann sé cosaint ar fáil i gcoinne coinníollacha comhshaoil ar leith atá tipiciúil i stórais nó i seomraí cúil miondíola. Úsáideann an léitheoir PoE (optional), DC le haghaidh feidhmíochta leanúnaí, agus is é 1,300+ an ráta léitheoireachta uasta a luaitear.
I gcórais nua-aimseartha, is é an chomhtháthú líonra an constaic is mó. Cuireann an tsamhail seo RS-232, RJ45, PoE (optional) rogha ar fáil chun sonraí a aistriú ar ais chuig na córais lárnacha.
Mar sin féin, is é an spriocdhíriú mór le crua-earraí oidhreachta Chainway an spleáchas mór ar SDKanna dílseánaigh (cosúil le LLRP) nó bogearraí lár idirlín rudaí tríú páirtí costasacha chun sonraí amh clibe a phróiseáil i bhfaisnéis ghnó bhríoch.
Má tá do fhoireann innealtóireachta ag measúnú an Chainway UR4, cuireann an Nextwaves NR155 ailtireacht dhúchasach scamall i bhfad níos fearr i láthair. Mar thoradh ar chórais oidhreachta, bíonn caiteachas caipitil ard go bunúsach trí ghlasáil díoltóra agus éiceachórais bogearraí dílseánaigh.
Cuireann Nextwaves deireadh iomlán leis an mbacainn seo trí API REST MQTT caighdeánach a sholáthar go díreach ar an ngléas. Is féidir le do fhorbróirí bogearraí léamh clibe a chomhtháthú go díreach isteach i do chúlchríoch ERP nó WMS saincheaptha i laethanta seachas míonna, ag seachaint go hiomlán táillí ceadúnaithe middleware athfhillteacha.
Alternative architecture
APIanna MQTT/REST dúchais scamall-bhunaithe ionsuite. Gan SDKanna dílseánaigh, gan cheadúnú bogearraí lár. Comhtháthaigh go díreach le do ERP nó WMS i laethanta.
View Nextwaves NR155
Poirt Antenna
4 x Poirt RP-TNCLuas Léithe
Suas le 400 clib/soicindCumhacht Aschuir
0–33 dBm (1dB céimeanna)Prótacal Líonra
MQTT / MQTTSFAQ
These answers help purchasing and engineering teams review cost, integration, and deployment risk.
The Chainway UR4 is a 4-port, fixed RFID edge device. Based on Impinj E710 / R2000 chips, it supports EPC Global UHF C1 Gen 2, ISO 18000-6C over the 865-868 MHz / 920-925 MHz / 902-928 MHz frequency bands for high-speed tracking.
Hardware costs begin around $600. Keep in mind that a full deployment budget must account for up to 4 antennas, low-loss cables, integration middleware, and setting up the PoE (optional), DC infrastructure.
Nextwaves provides embedded REST API and MQTT endpoints natively on the device. This allows web and software developers to map tag reads directly to REST payloads, bypassing complex legacy C# or Java middleware servers.
The unit weighs approximately 0.7 kg and measures 164 x 164 x 39 mm. An IP53 structural rating provides reasonable protection against dust and water spray, suitable for loading docks and covered warehouses.
Network integration relies on RS-232, RJ45, PoE (optional) ports. RS-232 serial is maintained for legacy programmable logic controller (PLC) connections, while RJ45 manages modern IP traffic.
Hardware installation uses standard mounting hole layouts. However, optimizing RF performance requires trained engineers to correctly map the 4 distinct antenna channels to prevent signal overlap and optimize tag orientation capture.
Under optimal test conditions, the internally integrated chip logic is rated to process up to 1,300+ tag reads per second. Real-world speeds vary significantly based on Gen2 memory mapping.
In a traditional setup, the RS-232, RJ45, PoE (optional) interfaces transmit binary or low-level hex data. This requires an external application to filter out duplicate tag events before sending the data to cloud storage.
The standard warranty covers physical malfunctions for one year. Extended engineering support is recommended for teams unfamiliar with low-level UHF Gen2 memory protocols.
You are required to supply external antennas (circular or linear). Selecting the exact gain and polarization over the 865-868 MHz / 920-925 MHz / 902-928 MHz band determines the actual width of your read portal.
