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Description
Akuvox E21A – Vandal-Resistant Emergency Intercom, SIP Support, IP65-Rated Design, Panic Button, Two-Way Audio, Linux OSAkuvox E21A Emergency Intercom Key Product Specifications: Manufacturer: Akuvox Model: E21A Product Type: Emergency Intercom Front Panel: 316 Grade Stainless Steel Button: 1 Panic Button Relays Out: 2 Inputs: 2 Ethernet Port: RJ45, 10 100Mbps Adaptive PoE: IEEE 802. 3af IP Level: IP65 Microphone Speaker: 1 1 Installation: Flush Mounted Operating System: Linux OS Akuvox E21A is a vandal resistant emergency intercom designed to provide reliable outdoor
Akuvox E21A Emergency Intercom Key Product Specifications:
- Manufacturer: Akuvox
- Model: E21A
- Product Type: Emergency Intercom
- Front Panel: 316 Grade Stainless Steel
- Button: 1 Panic Button
- Relays Out: 2
- Inputs: 2
- Ethernet Port: RJ45, 10/100Mbps Adaptive
- PoE: IEEE 802.3af
- IP Level: IP65
- Microphone / Speaker: 1 / 1
- Installation: Flush-Mounted
- Operating System: Linux OS
Akuvox E21A is a vandal-resistant emergency intercom designed to provide reliable outdoor emergency communication at best price for campuses, parking facilities, medical centers, and transportation environments. Built with a 316-grade stainless steel front panel and IP65-rated protection, it features a dedicated panic button, two-way audio communication with echo cancellation, and SIP compliance for seamless integration with SIP-capable PBX systems. Supporting both PoE and IP networking, the Akuvox E21A emergency intercom delivers dependable performance and durability in demanding outdoor installations.
Akuvox E21A Emergency Intercom Key Product Features:
- Vandal-resistant body with panic button
- SIP-compliant emergency communication station
- Two-way audio communication over IP networks
- Echo cancellation for improved audio quality
- PoE support (IEEE 802.3af)
- IP65-rated protection for outdoor deployment
- 316-grade stainless steel front panel
- Two relay outputs and two inputs
- Flush-mounted installation design
- Easy integration with SIP-capable PBX systems
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Easy to use
Size: 58.3mm, Color: Black
Great for make good coffee and easy to use.
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Reviewed in the United States on October 24, 2025
★★★★★ 5
Take the guess work out of the flow!
Size: 58.3mm, Color: Black
I got this because when my wife makes espresso, it's watery. When i make it, it's fine. We needed a controlled Tampering method so we both do the same job.
This is heavy, and being able to use the whole hand instead of fingers, not much effort is needed.
Since we purchased this, we were able to make consistent espresso shots for sure.
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Reviewed in the United States on July 12, 2024
★★★★★ 3
Not as good as I expected
When it first came, the box fell apart as I was taking it out, and a lot of some kind of dirt or sand kept falling out all over my table and floor. I had the take the entire thing apart and thoroughly wash it.
After drying age reassembling it, I tried it on my portafilter that came with my Breville Barista Express, but, somehow, it doesn't always make the tamping level. You would think with the ridge that rests on the side of the portafilter that it would force it to remain level, but, somehow, it doesn't, at least not consistently. It also has varying lengths (heights, or depths), and a single spring tension, so you may still over tamping or under-tamp. I was expecting it would have a censor that would just detect once it reached 30 lbs of force and cut off after that, similar to a torque screwdriver, but that's not what this is.
I'll still give it 3 stars because, despite the problems mentioned above, it at least produces some amount of consistency, even if that isn't measurable; but, I can't give it 5 stars because of those issues mentioned above.
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Reviewed in the United States on January 7, 2025
★★★★★ 5
This is the one.
Size: 58.3mm, Color: Black
As an el Supremo Coffee Geek, I've wasted money on lots of different tampers. Save your money and buy this one or it's equivalent. This thing is heavy duty, solid, well-made, self-leveling, tamps at 30 pounds and is fool-proof even for fools. Also, it's a palm tamper meaning more fun and more satisfying to use as you prep the puck for your morning buzz. Buy it. You will thank me.
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Reviewed in the United States on March 30, 2024
★★★★★ 5
Super easy to use and takes the guess-work out of getting even pressure on the grounds
Size: 58.3mm, Color: Black, Size: 58.3mm, Color: Black
I have been using a hand tamper for many years and have a good idea of the pressure I am applying to the grounds in the portafilter. I honestly considered spring tampers to be a bit silly. But this tamper really does take the guess-work out of pressing the coffee grounds. The shroud helps guide the press so that pressure is applied even and flat across the surface. With the manual tamper, there will be some play when pressing, or some unevenness in pressure. This is especially true when cranking out many espressos during a breakfast party with friends. Having the spring tamper makes quick work of turning out a lot of coffees with consistency.
There are no instructions for taking this tamper apart to clean inside, and you may not really need to do that very often. After each use, just pull back the shroud (the black piece that moves up and down) and wipe off the tamper (the shiny steel part). This will help prevent grounds from working their way inside. If you do want to take it apart, it’s easy. Pull back the shroud and unscrew the tamper. It will come apart into three pieces. Wipe the pieces off and reassemble. Super quick and easy.
This tamper is very heavy. My scale shows 656 g (about a pound and a half). It fits the portafilter exactly, with no slop. Just place on top of grounds and press!. Don’t even worry about pressure, just push down all the way. Overall I had fun using this tamper versus my manual one. And since I make myself a cappuccino very early in the morning, I don’t have to be very awake to get a good pack on the grounds and get my coffee fast!
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Reviewed in the United States on January 10, 2024