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Description
Industrial IoT Computer w/ PoE, 4G (For Raspberry Pi Compute)The CM IO POE 4G BOX is an industrial grade IoT mini computer designed for Raspberry Pi Compute Module 3 3+ (not included). It features communication functions including global 4G 3G 2G cellular, PoE Ethernet, and WiFi wireless. There are also various industrial isolated interfaces such as CAN, RS485, RS232, ADC, and GPIO, which make it an ideal choice for sorts of industrial IoT applications. Features Compatible with Raspberry Pi CM3 CM3 Lite CM3+
The CM-IO-POE-4G-BOX is an industrial grade IoT mini-computer designed for Raspberry Pi Compute Module 3 / 3+ (not included). It features communication functions including global 4G/3G/2G cellular, PoE Ethernet, and WiFi wireless. There are also various industrial isolated interfaces such as CAN, RS485, RS232, ADC, and GPIO, which make it an ideal choice for sorts of industrial IoT applications.
Features
- Compatible with Raspberry Pi CM3 / CM3 Lite / CM3+ / CM3+ Lite
- Adopts SIM7600G-H global 4G/3G/2G communication module
- 10/100M auto-negotiation Ethernet port, with PoE enabled
- Supports 2.4GHz WiFi wireless connection
- USB HUB and USB TO UART, allows connecting more USB devices
- Provides various industrial isolated interfaces: CAN/RS485/RS232/ADC/GPIO/RTC
- Onboard multi video/audio ports like HDMI/DSI/CSI
Specifications
| NETWORK | |
|---|---|
| Ethernet | 10/100M auto-negotiation Ethernet port, with PoE enabled, RJ45 connector |
| Cellular | supports global 4G/3G/2G communication (via onboard SIM slot) |
| WiFi | supports 802.11b/g/n, 2.4GHz |
| VIDEO / AUDIO | |
| Camera | 2x CSI ports, can be used simultaneously |
| HDMI | HDMI HD port |
| Display | DSI port, for connecting Raspberry Pi DSI display |
| Audio | 3.5mm audio jack, stereo output |
| Speaker | 4PIN speaker connector, supports 8Ω 5W speaker |
| INDUSTRIAL ISOLATED INTERFACES | |
| 1 × RS232 | DR9 (male), isolated, with TVS protection, anti-surge, and ESD protection |
| 1 × RS485 | screw terminal, isolated, with 600W lightning-proof, anti-surge, and 15KV ESD protection, allows using 120Ω terminal resistor |
| 1 × CAN | screw terminal, isolated, lightning-proof, and ESD protection, allows using 120Ω terminal resistor |
| 4 × GPIO | screw terminal, isolated, 2 channels as isolated input, 2 channels as isolated output |
| 1 × ADC | screw terminal, isolated, 16-bit, 860SPS |
| COMMON USED PORTS | |
| 2 × USB2.0 | USB type-A connector |
| 1 × USB SLAVE | for burning system image into CM3 / CM3+ |
| 1 × USB TO UART | connects to Raspberry Pi serial port by default, configurable by jumper |
| 1 × RTC | real time clock |
| 1 × Micro SD card slot | for Micro SD card with pre-burnt system (CM3 Lite / CM3+ Lite only) |
| 1 × SIM slot | supports standard 4G/3G/2G cellular SIM card |
| OTHER | |
| Power supply | DC 7~36V wide voltage range input |
Look Inside
Integrates Powerful Industrial Control Base Board With PoE Ethernet / 4G / WiFi Support. As Well As Various Industrial Isolated Interfaces
Designed For CM3 / CM3+ Series
Supports Raspberry Pi Compute Module CM3 / CM3 Lite / CM3+ / CM3+ Lite. Onboard Various Import Resources, Allows Connecting Display, Camera, USB Devices.
(Compute module is not included)
Rich & Handy Interfaces
Various Industrial Isolated Interfaces: CAN/RS485/RS232/ADC/GPIO/RTC
PoE Ethernet, 4G Cellular, WiFi Connectivity
- PoE Power Over Ethernet Features, 802.3af-Compliant
- Global 4G/3G/2G Cell Communication, Up To 150Mbps Data Rate
- 2.4GHz WiFi Wireless Connection
Wall Mount Support
Wall Mount Holes On Two Sides, Handy For Mounting
Aluminum Alloy Heatsink
Effective Heat Dissipation
What's On Board
-
Compute Module socket
for connecting Raspberry Pi Compute Module CM3 / CM3 Lite / CM3+ / CM3+ Lite -
PoE enabled Ethernet port
10/100M auto-negotiation, with PoE Power Over Ethernet features - USB Ports
- HDMI Ports
- 3.5mm audio jack
- Dual-channels speaker connector
-
USB SLAVE
allows you to burn system image into CM3 or CM3+ -
USB TO UART
for serial debugging -
DC power input
supports 7-36V power supply -
DSI display port
for connecting Raspberry Pi LCD -
CSI camera port
for connecting Raspberry Pi Camera -
RTC real time clock battery holder
supports rechargeable Li cell ML1220 - 4G antenna connector
- WiFi antenna connector
-
Isolated ADC
ADC differential input -
Isolated 5V power
max output current 100mA -
Isolated GPIO
allows controlling / detecting devices via GPIO - Isolated RS485 interface
- Isolated CAN interface
- Isolated RS232 interface
-
SIM slot
supports standard 4G/3G/2G SIM card -
Micro SD card slot
insert a Micro SD card with pre-burnt system, to start up CM3 Lite / CM3+ Lite variant -
SIM7600G-H communication module
supports 4G/3G/2G communication and GNSS function -
WiFi module
supports 2.4G WiFi connection - Buzzer
-
DS3231
high precision RTC chip, I2C bus -
Raspberry Pi indicator
ACT: Raspberry Pi operating status indicator
PWR: Raspberry Pi power indicator -
SIM7600G-H indicator
NET: network indicator
STA: status indicator -
User LED
handy for I/O output testing, or program running status monitoring - Serial port connection setting
- Volume adjustment
-
PoE configuration
DIS: disable PoE
EN: enable PoE - ADC chip power supply selection
- RS485 CAN terminal resistor selection
Dimensions
Resources
Product Wiki , includes sample source code
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
4.5 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Minty Mouth and Fresh Feel on the Go!
Flavor Name: Peppermint, Size: 3 Pack
I really like the concept of this product and how strong the mint is. It gives a quick burst of freshness that lasts longer than regular mints. The size is convenient for on the go and perfect for travel. I do wish the flavor was a bit smoother, but overall it does exactly what it promises and has been helpful for dry mouth and keeping breath fresh.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 26, 2025
★★★★★ 4
The closest thing to the now-defunct BreathAssure that I can find & they works great!!
Flavor Name: Peppermint, Size: 3 Pack
Most parsley seed oil products these days add some kind of mint oil because of the belief that more is better and you wind up burping spearmint or peppermint. The ones with mint seem to be less effective with less actual parsley seed oil. BreathAssure was a popular parsley seed oil product in the mid 1990s. The company was family owned and they grew way too fast and then bottomed out. Boom, no more BreathAssure. THIS product, Botanic Choice Parsley Seed Oil - Breath Gels, are FINALLY the same basic and compact gel that meets my needs. There is sunflower oil as the "carrier oil" and then the correct dose of Parsley seed oil. You cannot imagine the Snoopy happy dance I did when I unpacked them and swallowed a couple! One thing to note: I have found after much use, that I need to take about 3 gels before and after eating something garlicky or heavy with onions. BreathAssure worked better but these are the best substitute I have found so far and believe me, I have tried dozens of other Parsley seed oil gels. I order these once a month with Subscribe and Save.
1. No bad taste burp ups
2. Works like a charm. Take with a meal or between meals if you get hunger breath or Halitosis.
3. Compact design - you can fit contents of TWO bottles into one if you want to carry extras.
4. replicates a product I used to consume daily
5. easy to swallow with a garlicky meal and have fresh breath afterward
6. Price is affordable and comparable to the brand I used to use. I have been ordering them frequently since this review was posted.
May 3rd, 2023: It's been a while since I first began using these. I am still buying them and using them regularly. i have found that with good dental hygiene alone, I still had food-related bad breath. These seem to help better than any other formulation on the market today. As with many things, the price has gone up a little, but cheaper brands just don't work for me. This is the only brand that seems to have the same high quality parsley seed oil with no added ingredients to trick you. I don't need or want added mint oils or extracts in my parsley seed oil gels. I am glad that Botanic Choice keeps things simple. This is an essential part of my daily routine for fresher breath, and it helps me a lot. I would suggest trying one order to see if it helps YOU.
Remember, I have found that an appropriate serving is 3 gels before a meal AND after a meal or even between meals, if i have eaten something fairly aromatic.
Parsley oil has some good health benefits as well as it's natural deodorizing quality. Some people find it helps with stomach acid & reflux. I don't really have those problems, so i just take it the way i used to take BreathAssure. Parsley seed oil has been traditionally used as an upset stomach remedy and on the skin to prevent acne. It is also purported to have anti-inflammatory properties. I just need it for fresh breath, but if it does have other benefits, well great!
I'm happy to have found this product and NOBODY has paid me or bribed me to write this review!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
!0/10 Would Buy again finished the bottle!
Flavor Name: Peppermint, Size: 1 Pack
LOVE these easy-to-swallow and long-lasting effects. Highly don't recommend trying to bite into them, tho the taste is well unpleasant to say the least.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
★★★★★ 5
Great taste!
Flavor Name: Peppermint, Size: 3 Pack
If you're searching for a breath mint that truly delivers, look no further than Zelmin's Minty Mouth. It is an absolute game-changer for instant, long-lasting freshness. What sets this mint apart is its powerful yet pleasant cooling sensation that completely banishes even the toughest odors, leaving behind a clean, crisp mint flavor without any artificial aftertaste or chalky residue. The sleek, compact packaging makes it incredibly easy to keep on hand for a quick confidence boost before a meeting, after a strong cup of coffee, or on a night out. For anyone who values a genuinely fresh start for their breath, Zelmin's Minty Mouth is the perfect everyday essential and a refreshing upgrade from standard mints.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 3, 2025
★★★★★ 3
Great concept but needs some more fine-tweaking
Flavor Name: Peppermint, Size: 3 Pack
These mints are ok. I love the convenient and slim packaging; however, the mints themselves don't pack much lasting flavor for me. Once the mint coating wears off, the waxy film that is left is a little off-putting. I swallowed it whole without biting as the instructions suggested, but didn't notice any lasting fresh breath afterwards.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 17, 2025