For a single unit it's around $85, but once you get into mid-range quantities of 50-100 pieces we drop that to about $68 each, and at bulk levels of 500 or so you're looking at roughly $52—pretty much the best value in this class.
It's basically a 2G/3G/4G device with that optical fiber medium, so it handles signal loss better than most copper-based units, and the smart chip keeps multiple connections stable even when you've got 20-30 devices trying to talk at once.

We've had these running in a few high-rise buildings for about 8 months now, and what it does is hold up well with the lightning protection built in, though I wouldn't recommend it for outdoor use in open fields—the 0.52kg chassis is more for indoor or sheltered spots.
Also, ISO certifcation is real, we've got the paperwork, and the 125*90*18mm size makes it easy to tuck behind a panel or on a shelf without anyone noticing.

You'll get a COA with each order, and lead time is usually 15-20 working days or so (check stock for larger runs), but we typically have enough for 200-unit orders without a delay.
One thing buyers don't always ask about is teh heat dissipation—it's passive, no fan, so it runs silently but needs a bit of airflow around it, nothing crazy.
We usually start at 50 units for first orders, but we can be flexible depending on stock. Just reach out and we'll see what works.
Standard lead time is around 15-20 working days after order confirmation. If you need a rush, we can sometimes speed things up on smaller quantities.
Yes, we can supply ISO certificates along with the shipment. Just let us know in advance so we include them in the packing list.
It supports 2G, 3G, and 4G service states, so yes, it can handle multiple bands at once. The smart chip manages switching smoothly across them.
Keep it in a cool, dry place away from direct sunlight, ideally between -10°C and 50°C. The packaging is standard anti-static, so it's fine for warehousing.