Best Cat B35 Test 2026

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Last Updated - 27.03.2026

Best Choice

01

Hammer H

Hammer H Power Plus LTE Outdoor Mobile Phone without Contract, 4000 mAh Battery, 128 MB Memory, 64 MB RAM, 2.8 Inch IPS Display, Large Buttons, Torch, 2 MP Camera, FM Radio, USB-C, Dual SIM Nano, Black

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Torch and camera: the powerful LED lights up basements, shafts or engine compartment immediately - one click is enough. The integrated 2MP camera documents damage, progress or readings in seconds. You save extra equipment and time. Everything is available directly in the device.
Replacement battery and durability: Once the battery is empty, replace it in seconds for a replacement - thanks to the removable back cover. An optional charging station and bolted metal reinforcements reduce follow-up costs and extend the service life. Invest in a device that will last for years. Hammer Power Plus is built for the harsh reality.
Readable 2.8 inch IPS display: the 2.8 inch IPS panel with 320 × 240 px remains easy to read in bright sunlight as in dark tunnels. High brightness and wide viewing angles make it easy to read names, SMS or order lists. This reduces incorrect operation and protects the eyes. So you can see what is important at a glance.
Large buttons: Grippy, rubberised buttons can be safely operated even with thick work gloves or dirty fingers.
IP68 armoured housing: Hammer Power Plus withstands drops from 1.5 m, penetrating dust and complete submersion thanks to IP68 sealing and military standard MIL-STD-810H. The durable, sealed construction protects electronics and display from expensive repairs. Take it with you to places where conventional smartphones have long since given up. You work carefree because your phone does everything.
FM radio and 3.5 mm jack: the built-in FM radio accompanies you with music or messages even without an Internet connection. The 3.5 mm jack allows you to connect any standard headset without an adapter. The loud front speaker works as a mobile construction site radio. This makes the work easier by hand.
Dual SIM + microSD: Two nano SIM slots separate private calls from business telephony without the need for a second device. A separate microSD slot supports cards up to 32 GB for photos, music or technical documents. More flexibility in everyday life. You can keep an overview at all times.
3000 mAh battery: The durable 4000 mAh battery provides up to 1200 hours of standby or 12 hours of talk time. Thanks to USB-C it is quickly refilled and compatible with modern cables. While other devices remain silent, you remain accessible. Perfect for multi-day use or long shifts.

89,99 €
02

Hammer H

Hammer H Boost 2 LTE Outdoor Mobile Phone without Contract, IP68 Construction Site Mobile Phone with Large Buttons, 2.4 Inch Display, 4G Volte, Dual SIM, 3500 mAh Battery, Robust Case, Black/Orange

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Practical extras: bright LED torch, FM radio without headphones, camera, 3.5 mm jack, Bluetooth and loop for carrying strap - always at hand at work.
IP68 and MIL-STD-810H Rugged Case - Dustproof, Waterproof and Drop Proof, Ideal for Construction Site Phone, Warehouse, Workshop or Outdoor Adventure.
Dual SIM and 4G LTE with VoLTE - Separate private and service numbers in one phone, enjoy clear conversations and reliable reception even in the country.
3500mAh Battery for Long Use - Up to 25 days standby or 24 hours talk time, replaceable battery and modern USB-C for fast charging.
2.4-inch IPS display and large, illuminated buttons - everything clearly readable, even in sunlight, with extra loud speaker for noisy environments.

81,26 €
03

Hammer H

Hammer H Rock LTE Outdoor Mobile Phone without Contract, 3000 mAh Battery, 64 GB, 2.4 Inch IPS Display, Large Buttons, SOS Button, Torch, FM Radio, Bluetooth, USB-C, Dual SIM, IP68/MIL-STD-810H, Black

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Torch always at hand: the built-in powerful LED torch illuminates even the darkest corners. It can be switched on with a single push of a button, making it the ideal work tool for power outages, night work or exploring tight spaces.
Safety and independence: The Hammer Rock LTE has a dual SIM function with separate slot for a microSD card (up to 64 GB). The SOS button increases your safety in an emergency. You can also use hands-free mode and many offline functions without having to connect to the Internet.
Multimedia and practical functions: the phone offers useful functions for everyday life, such as FM radio without headphones, MP3 player, calculator, alarm clock, torch and calendar. Thanks to the 3.5 mm mini jack, you can connect your favourite headphones and listen to music during the break.
Military resistance: The Hammer Rock LTE meets IP68 and MIL-STD-810H standards, which means complete resistance to dust, water and falls. It is a reliable choice for use in the toughest conditions, such as on construction sites, in warehouses or workshops.
Interference-free communication: Hammer Rock LTE guarantees reliable communication in any situation. VoLTE technology allows you to have high sound quality conversations even on a noisy construction site. The 4G LTE network also enables fast connections and data transfers, ensuring reliable communication anytime and anywhere.
Extremely durable battery: the phone is equipped with a battery with a capacity of 3000 mAh, which provides up to 1000 hours of standby time. The battery is replaceable, so you can quickly replace it and continue working when needed. In addition, you can charge other devices with the power bank function
Easy-to-read IPS display: the 2.4 inch display with IPS technology provides better readability and better contrast. No matter the lighting conditions, the screen remains clear and clear. It is the ideal solution for working in the field where a quick overview of messages or contacts is essential.
Comfortable operation with gloves: large, contrasting buttons make it easier to use the phone even with thick work gloves. The ergonomic design ensures comfort and prevents accidental pressing of the buttons. The device sits comfortably in the hand.

73,88 €
Value for Money

04

Hammer H

Hammer H Basalt Outdoor Mobile Phone without Contract, 2.4 Inch Colour Display, Robust, Mega Battery 1800 mAh, Waterproof (IP68), Shockproof, Construction Site Buttons, Torch, Dual SIM, Button Mobile

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16% Off
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Powerful torch - Hammer Basalt has an extremely powerful torch, ideal for hard-to-reach areas or limited lighting conditions.
Long battery life - Hammer Basalt has a 1800 mAh battery that allows up to 15 days of standby operation or up to 14 hours of talk time.
Large island keys - Easy navigation through the menu with large island keys that can also be operated with gloves. Original, progressive design, pleasing to the eye.
Hammer Basalt - a tool phone, handy and practical, ideal for work or home workshop. 2.4 inch screen for clear readability.
Durability guaranteed - Designed for those who expect basic functions and a long service life from their phone. IP68 certification confirms its durability.

35,96 € 43,00 €(16% Off off)
05

Hammer H

Hammer H Forge Outdoor Mobile Phone without Contract, 2300 mAh Battery, 32 GB, 2.4 Inch TFT Display, Large Buttons, Torch, 2 MP Camera, FM Radio, USB-C, Dual SIM, IP68/MIL-STD-810H, Black

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Long-lasting battery: the removable 2 300 mAh battery provides up to 10 hours of talk time and over 40 days standby. Thanks to USB-C you can quickly charge the phone with any standard cable - even on the go with a power bank or in the vehicle. Less charging breaks mean more productive hours.
Instant light by button: a large, orange hardware button turns on the powerful LED torch immediately. So you can find the right control cabinet, quickly check a pipeline or illuminate the engine compartment - without menus or apps.
Glove buttons and SOS: Large, rubberised buttons with clear pressure point can also be operated with work gloves or cold fingers. The SOS button makes a call or message in an emergency, providing additional security in loud or dangerous environments.
FM radio and 3.5 mm jack: simply turn on your favourite radio on site without mobile data: antenna comes over the headphones, and you have messages or music in your ear. Perfect for breaks or long shifts when streaming is not an option.
Extremely robust IP68: the hammer housing made of rubberised polycarbonate with side aluminium struts resists drops from 1.5 m, strong dust and 30 minutes underwater. The IP68 & MIL-STD-810H certifications confirm: Forge remains ready for use if other mobile phones give up long ago. So you can concentrate on the job – whether on the construction site, on the tracks or in the tunnel.
Dual SIM and microSD: Two nano SIM slots separate service and private number or connect your local and international network. An additional microSD slot holds cards up to 32 GB, so there is always space for photos, MP3s and protocols.
2 MPX documentation camera: the 2 MP sensor with LED flash takes quick photos of damage, serial numbers or work progress. One click is enough to share the images via MMS or Bluetooth – convenient when speed matters.

51,00 €
06

Hammer H

Button Phone Hammer 6 LTE Military Edition, Large Battery 2500 mAh up to 7 Days Standby, Torch and SOS Button, Volt Technology, Illuminated Buttons, IP68 1.5 Metre Drop Test, 2.4 Inch Screen

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

With a 2500mAh battery, the phone can last up to 7 days in standby mode or 10 hours of talk time. And best of all, you can easily replace it for even longer autonomy without charging. And a universal USB-C port ensures convenient charging.
Whether you're in the forest, underground or on a mountain top, VoLTE technology ensures your conversations are clear and clear.
When you enter the dark corridors of a bunker or go on a night hike in the woods, the built-in torch will benefit you, which you activate with a side button. In case things take an unexpected turn, there is also an SOS button - configure it to let your loved ones know about an emergency with a single click. Safety is the A and O!
The HAMMER 6 LTE is the phone for anyone who is prepared for anything. Built to survive in the toughest conditions, it's not afraid of dust, mud or water. The case of the phone is reinforced and caps protect the sockets from water, making the hammer almost unsinkable. IP68 and the highest MIL-STD-810H standard guarantee that it can survive almost anything.
The HAMMER 6 LTE is also packed with useful extras to help you organize your time and keep you entertained when you want to take a break. The FM radio also works without headphones, and the 3.5mm jack allows you to connect your favorite headphones. You will also find a camera with flash - practical if you want to capture an interesting find! The lanyard attachment is ideal when you need to have both hands free - simply hang the phone around your neck and off you go!
The 2.4-inch IPS screen with a resolution of 240 x 320 pixels ensures good readability in all conditions - from strong sunlight to complete darkness. Large backlit buttons and intuitive menus ensure that you can operate the device quickly and efficiently. This hammer is ideal for quickly checking important operational data, cards or orders.

69,00 €
07

Hammer H

Hammer H Forge LTE Outdoor Mobile Phone without Contract, 3000 mAh Battery, 32 GB, 2.4 Inch IPS Display, Large Buttons, Torch, 2 MP Camera, FM Radio, USB-C, Dual SIM, IP68/MIL-STD-810H, Black

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Bright Pocket Light】The powerful built-in torch turns on with just one click - perfect for night shifts, dark halls or emergencies. So you have light whenever you need it.
Robust case for the toughest conditions: This phone is built to withstand extreme loads. It can withstand drops from up to 1.5 meters, muddy environments and contact with metal without harm. Certified to IP68 and MIL-STD-810H, it resists water, dust and impact - perfect for construction sites, workshops and outdoor use.
Reliable power supply: the 3000 mAh battery provides up to 9 hours of talk time and over 30 days standby. With USB-C charging, you can charge the device quickly and conveniently – even after long work shifts.
Practical additional functions: With GPS, Bluetooth 5.1, removable battery, microSD card slot (up to 32 GB) and optional docking station, this phone is not only robust, but also versatile and ready to use.
Functional camera: With the 2MP camera, you can quickly capture important moments or work details. Easy to use and reliable to use – without unnecessary extras.
FM radio and audio port: Enjoy classic FM radio without WiFi or additional apps. Simply connect your headphones via the 3.5mm mini jack and listen to your favourite stations at break.
Clear 2.4 inch IPS display: Whether in the tunnel, under industrial lighting or in bright sunlight - the 2.4 inch IPS display always ensures clear, easy-to-read content. No blinking, no guessing - just a crisp image.
Always reliably connected: With VoLTE technology, you can make calls clearly and stably, even where concrete, steel or dust dampen the signal. Dual SIM gives you double the security of staying accessible at all times - without changing devices and without complicated settings.

70,16 €
08

Hammer H

HAMMER H Rock Mobile Phone without Contract, 2.4 Inch Colour Display, Robust, Mega Battery 1800 mAh, (IP68), Shockproof, Construction Site Buttons, Torch, Dual SIM, Button Mobile Phone - Black

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12% Off
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Resistant to shocks and water – the Hammer skirt is indestructible. IP68 rated for water and dust protection.
Powerful torch for difficult conditions - See everything with the powerful torch of the HAMMER Rock.
Original design for outdoor use - The Hammer Rock phone has large island buttons and a unique outdoor look.
Long battery life - With a 1800 mAh battery, the HAMMER Rock runs for up to 15 days in standby mode or up to 14 hours when making calls.
2.4" screen for easy readability - Compact, strong and handy. The Hammer skirt has it all.

43,23 € 48,90 €(12% Off off)
09

Doro

Doro - Lever Telephone E10 - Mobile Phone for Seniors - Horizontal Display, High-Contrast Buttons, Loud and Clear Audio, HD Voice, Camera, Secure Button - Charging Station - Red

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Intuitive mobile phone for seniors: thanks to the 2.4 inch landscape display as well as clearly separated and contrasting buttons, the mobile phone Doro Leva E10 makes calls and texts easier. With the camera including flash, you can easily take and send photos.
Includes charging station: For comfortable and easy charging, a charging station and USB-C cable are included with this Doro mobile phone. The reliable and efficient 1000 mAh battery ensures a long service life.
HD SOUND Enjoy clear conversations with enhanced audio quality and HD Voice – specially designed for loud and clear sound. The hearing aid compatibility (HAC) of this phone provides added convenience.
DORO: Getting older should not be accompanied by a loss of independence. That's why we have made it our goal to offer you maximum safety and independence through our phones, mobile phones and smart devices for seniors.
DORO Secure button: In an emergency, the Doro Secure button on the back of the mobile phone sends a notification to your personal safety net and calls the respective contacts one after the other. So you and your loved ones enjoy maximum safety.

64,50 €
10

Gigaset

Gigaset GL395 Mobile Phone - Easy Operation for Seniors, Large Buttons & SOS Emergency Button - Dust & Splash Proof IP44 Protection Class - No Contract - 2.2 Inch TFT Colour Display, Black

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25% Off
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Optimised for seniors – Specially improved user interface for seniors with large buttons and font, large 2.2 inch TFT colour display for clear readability and easy navigation.
GIGASET Standard – Gigaset manufacturer warranty with repair service for breakage and moisture damage. With environmentally friendly, plastic-free packaging for sustainable consumption.
For more confidence: with three direct dial buttons, trust list for contacting friends and family and blocking list to block unwanted phone numbers.
For maximum safety – SOS emergency call button for quick help in emergencies on the back, dust and splash-proof according to IP44 and torch function, ideal for different environments.
Do you have any questions about this product? Contact Gigaset customer service at 02871-912 912 (for your provider's landline tariff)
Box contents: 1 x Gigaset GL395, 1 x charging station, 1 x power supply (1 m), 1 x battery, 1 x short operating instructions (English language not guaranteed)

29,99 € 39,99 €(25% Off off)