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
Frekvencija
Protokol
Povezivost
IP ocjena
Dimenzije
Težina
Napajanje
Brzina čitanja
Procijenjena cijena
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
Chainway UR4 je RFID uređaj industrijske klase. Radi unutar 865-868 MHz / 920-925 MHz / 902-928 MHz raspona i podržava EPC Global UHF C1 Gen 2, ISO 18000-6C standard, što ga čini široko primijenjenim u logističkim aplikacijama poduzeća.
S IP ocjenom od IP53, nudi zaštitu od specifičnih uvjeta okoline tipičnih za skladišta ili stražnje prostorije maloprodaje. Čitač koristi PoE (optional), DC za kontinuirane performanse, dok je navedena maksimalna brzina čitanja na 1,300+.
U modernim implementacijama, mrežna integracija je najveća prepreka. Ovaj model nudi RS-232, RJ45, PoE (optional) opcije za prijenos podataka natrag u centralne sustave.
Međutim, glavno usko grlo s naslijeđenim hardverom Chainway je velika ovisnost o vlasničkim SDK-ovima (poput LLRP) ili skupom IoT softveru treće strane za obradu sirovih podataka oznaka u smislene poslovne informacije.
Ako vaš inženjerski tim procjenjuje Chainway UR4, Nextwaves NR155 predstavlja znatno superiorniju arhitekturu u oblaku. Naslijeđeni sustavi inherentno pokreću visoke kapitalne izdatke kroz zaključavanje dobavljača i vlasničke softverske ekosustave.
Nextwaves u potpunosti eliminira ovu barijeru pružanjem standardnog MQTT REST API-ja izravno na uređaju. Vaši softverski programeri mogu integrirati čitanje oznaka izravno u vašu prilagođenu ERP ili WMS pozadinu u roku od nekoliko dana umjesto mjeseci, u potpunosti zaobilazeći ponavljajuće naknade za licenciranje posrednog softvera.
Alternative architecture
Ugrađeni MQTT/REST API-ji u oblaku. Nema vlasničkih SDK-ova, nema licenciranja softvera. Integrirajte se izravno sa svojim ERP-om ili WMS-om za nekoliko dana.
View Nextwaves NR155
Priključci za antenu
4 x RP-TNC priključkaBrzina čitanja
Do 400 oznaka/sekundiIzlazna snaga
0–33 dBm (koraci od 1 dB)Mrežni protokol
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.
