This week’s EYE ON NPI (video) will “Converse Buddy and Enter” your wi-fi connectivity toolbox, it’s TE’s LEMBAS LTE/GNSS USB Modem.
It’s an easy-to-use full powered mobile and GPS modem designed particularly for use with single-board Linux computer systems (SBCs) so as to add networking and placement monitoring with a easy plug-and-play USB connection.
We purchased one and popped it open – not really helpful as a result of it should void your guarantee – and located inside is a Quectel EC25-AFXD module – an LTE Cat 4 data-only module with excessive pace uplink and downlink when LTE is on the market, and GSM/GPRS backward-compatibility for distant areas.
Quectel EC25 is a sequence of LTE Cat 4 modules optimized specifically for M2M and IoT purposes. Adopting the 3GPP Rel-11 LTE know-how, it delivers most knowledge charges as much as 150 Mbps downlink and 50 Mbps uplink.
Designed within the compact and in a unified type issue, the EC25 sequence is appropriate with Quectel multi-mode LTE Normal EC21 sequence/EC20-CE/EG25-G/EG21-G modules and UMTS/HSPA+ UC200A-GL module, which permits for versatile migration amongst them in design and manufacturing… backward-compatible with current EDGE and GSM/GPRS networks, guaranteeing that it may be linked even in distant areas devoid of 4G or 3G protection.
EC25 sequence helps Qualcomm® IZat™ location know-how Gen8C Lite (GPS, GLONASS, BDS, Galileo and QZSS). The built-in GNSS enormously simplifies product design, and supplies faster, extra correct and extra reliable positioning.
The LEMBAS has a number of little particulars that reveals the design staff centered on a top quality construct and eradicating any obstacles to make use of. For instance, as an alternative of a ‘USB stick’ fashion modem that blocks all the USB ports in your raspi, the modem makes use of any USB Kind C cable – this additionally permits the consumer to position the LEMBAS wherever the antenna will get finest reception. After we opened it up, we observed that the board was conformal coated, so it should deal with being uncovered to humid air, though please word it’s not rated for out of doors use. The SIM card is pre-installed however may be eliminated / changed simply if a selected knowledge service is desired. We additionally thought the standing LEDs that seem as a part of the TE emblem confirmed a cute designer contact.
One helpful design resolution that makes the LEMBAS straightforward to get began with: inside is a 2-port USB hub in order that, when plugged into USB, it reveals up as each the modem interface and a small USB storage key. On that storage are all of the recordsdata it’s essential run to put in the modem interface on an Arm32 or Arm64 pc just like the Raspberry Pi. This undoubtedly solves the “to get on the web I’ve to put in my wi-fi drivers however I can’t get onto the web as a result of I haven’t put in my wi-fi drivers” drawback.
And naturally, there’s a GNSS inside as nicely, which makes this good for asset monitoring or geo-locating tasks the place it’s essential know the place the code is working from. It’s able to go right away and with native Linux help for mobile modems, you don’t must do any AT command noodling – use Python or node.js or no matter language your software is and open safe sockets like regular.
If you happen to’ve bought a hankerin’ for a bit of Elvish-quality know-how that may allow you to talk wherever on the planet, even on the highest of Mt. Doom, you’ll be able to choose up a TE LEMBAS LTE/GNSS USB Modem from DigiKey as we speak and it’ll ship to you as quick as a huge eagle so that you could get began tomorrow morning… proper after second breakfast!
See the TE video beneath:
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