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Description
Flora Wearable Ultimate GPS ModuleThis module is the best way to add a GPS to your wearable project. It's part of the Adafruit Flora series of wearable electronics, designed specifically for use with the Flora motherboard. Installed on the PCB is the latest of our Ultimate GPS modules, a small, super thin, low power GPS module with built in data logging capability! This module's easy to use, but extremely powerful: 165 dBm sensitivity, 10 Hz updates, 66 channels Designed for wearable
This module is the best way to add a GPS to your wearable project. It's part of the Adafruit Flora series of wearable electronics, designed specifically for use with the Flora motherboard. Installed on the PCB is the latest of our Ultimate GPS modules, a small, super-thin, low power GPS module with built in data-logging capability! This module's easy to use, but extremely powerful:
- -165 dBm sensitivity, 10 Hz updates, 66 channels
- Designed for wearable use with the Flora system
- Only 20mA current draw
- RTC battery-compatible - sew a battery on to create a atomic-precision real time clock
- Built-in datalogging
- >25Km altitude
- Internal patch antenna + u.FL connector for external active antenna
- Fix status LED
The breakout is built around the MTK3339 chipset, a no-nonsense, high-quality GPS module that can track up to 22 satellites on 66 channels, has an excellent high-sensitivity receiver (-165 dB tracking!), and a built in antenna. It can do up to 10 location updates a second for high speed, high sensitivity logging or tracking. Power usage is incredibly low, only 20 mA during navigation.
The module is kept small and simple, we have a ferrite bead, filter capacitor and red fix LED on board. The LED blinks at about 1Hz while it's searching for satellites and blinks once every 15 seconds when a fix is found to conserve power. If you want to have an LED on all the time, we also provide the FIX signal out on a pin so you can put an external LED on.
Two features that really stand out about the MTK3339-based module is the external antenna functionality and the the built in data-logging capability. The module has a standard ceramic patch antenna that gives it -165 dB sensitivity, but when you want to have a bigger antenna, you can snap on any 3V active GPS antenna via the uFL connector. The module will automatically detect the active antenna and switch over! Most GPS antennas use SMA connectors so you may want to pick up one of our uFL to SMA adapters.
The other cool feature of the new MTK3339-based module (which we have tested with great success) is the built in datalogging ability. Since there is a microcontroller inside the module, with some empty FLASH memory, the newest firmware now allows sending commands to do internal logging to that FLASH. The only thing is that you do need to have the Flora mainboard send the "Start Logging" command. However, after that message is sent, the Flora can go to sleep and does not need to wake up to talk to the GPS anymore to reduce power consumption. The time, date, longitude, latitude, and height is logged every 15 seconds and only when there is a fix. The internal FLASH can store about 16 hours of data, it will automatically append data so you don't have to worry about accidentally losing data if power is lost. It is not possible to change what is logged and how often, as its hardcoded into the module but we found that this arrangement covers many of the most common GPS datalogging requirements.
Comes with one fully assembled and tested module. If you'd like to back up the RTC for faster fix-recovery, pick up a sewable CR2032 holder & CR2032 battery and sew it so the + side connects to the VBAT pad and the - side connects to ground.
Features
- Satellites: 22 tracking, 66 searching
- Patch Antenna Size: 15mm x 15mm x 4mm
- Update rate: 1 to 10 Hz
- Position Accuracy: 1.8 meters
- Velocity Accuracy: 0.1 meters/s
- Warm/cold start: 34 seconds
- Acquisition sensitivity: -145 dBm
- Tracking sensitivity: -165 dBm
- Maximum Altitude for PA6H: tested at 27,000 Meters
- Maximum Velocity: 515m/s
- Vin range: 3.0-5.5VDC
- MTK3339 Operating current: 25mA tracking, 20 mA current draw during navigation
- Output: NMEA 0183, 9600 baud default
- DGPS/WAAS/EGNOS supported
- FCC E911 compliance and AGPS support (Offline mode : EPO valid up to 14 days )
- Up to 210 PRN channels
- Jammer detection and reduction
- Multi-path detection and compensation
- Breakout board details:
- Weight: 5.43g
- Dimensions: 30.5mm diameter x 5.98mm thick / 1.2" diameter x 0.24" thick
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4.3 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Lasts longer than average roll
Size: 24 Double Rolls (2 Ply)
Ok. I have to admit. This toilet paper checks out all the boxes. Its very soft. It really DOES last longer and it's toxins free. Great stuff.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
Safe and reliable TP for the family
Size: 24 Double Rolls (2 Ply)
This brand is the best and softest bamboo TP I have purchased. This is a staple in my house, its durable and longer lasting than other brands I have tried. Cost of this is cheaper than most others as well, bonus. Highly absorbent. Package size it suitable for the price. Also good for septic systems
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Reviewed in the United States on May 26, 2026
★★★★★ 3
Not my favorite
Size: 24 Double Rolls (2 Ply)
I've tried quite a few bamboo toilet paper brands, and this isn't a favorite. Even at 2-ply it's thin. It has a good texture while being soft, and lint free as advertised, but I find we use more of this brand due to it being thinner. It has a lower price point than some of the premium brands, but a classic case of "you get what you pay for" and since we use more it doesn't really save any money anyway. Also it says plastic free, but comes in plastic packaging - it's not clear if it is eco-plastic/ biodegradable or not. It's not a bad product, and everyone likes something different and has their own priorities, but personally I won't reorder.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Good quality and absorbancy
Size: 24 Double Rolls (2 Ply)
Was a little leery about bamboo toilet paper but I was tired of the how, even the 3 ply expensive toilet papers I've been buying, were not very absorbent. I must say I am pleasantly surprised. The sheets are smaller but they don't fall apart like the others and I think they are very absorbent even tho, at first, you don't think they will be. Will definitely buy this brand again.
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Reviewed in the United States on May 1, 2026
★★★★★ 4
High value, low price, minimal packaging, good deal
Size: 24 Double Rolls (2 Ply)
I would rather give 4.5 stars but it won't let me so 4 it is. It functions as a TP should, it is strong enough for dry and wet use. It is comfortable and pretty soft feeling. It is noticeably thinner than the other ones I have tried like amazon and gaias bamboo, though it is still fine.
For 39c per 100 sheets, it is one of the few lower priced TP's that I've seen and it performs well enough that I will most likely keep buying this brand. Amazon bamboo is about the same price per sheet, but the amazon one is very rough. Honestly I'm more concerned about value here myself so my current rotation of bamboo TP will be between eco brand and amazon.
I like this eco brand and I appreciate their minimal packaging. I would recommend the eco brand for the soft feel and low price per sheet. Keep in mind some may think it's a but thin. I would recommend the amazon bamboo for it's low price and strength, but it's very rough. So far these are the main two options I've seen for lower priced bamboo TP.
In comparison to say costco TP, the kirkland blue wrapped standard TP is about 33c 100 sheets. The charmin ultra strong red packaged one is about 43c per 100 sheets so this eco brand bamboo TP is well priced considering the market.
From what I've seen, in order to have everything a person could want in a bamboo TP, strength, softness, wet and dry performance, they cost a lot more than this one and personally I wouldn't bother if these lower priced brands work instead.
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Reviewed in the United States on July 25, 2025
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