Garmin GPSMAP 66sr, Hiking Handheld with Expanded GNSS and Multi-Band TechnologyHandheld, 3″ Color Display (010-02431-00) , Black

Find your way in this big, wide world with GPSMAP 66sr. This premium, rugged handheld offers multi-band technology and expanded GNSS support for optimal accuracy in steep country, urban canyons and forests with dense trees. It has a 3” color display, and it’s packed with ABC (altimeter, barometer and compass) sensors, routable TopoActive mapping and subscription-free BirdsEye Satellite Imagery with unlimited direct-to-device access via Wi-Fi wireless networking. Wireless connectivity through BLUETOOTH and ANT+ technologies provides Active Weather and Geocaching Live updates, and compatibility with the Garmin Explore app (compatible smartphone required) gives you offline access to cloud-based route planning.
Expanded global navigation satellite systems (GNSS) and multi-band technology allow you to get optimal accuracy in challenging locations, including steep country, urban canyons and forests with dense trees
Powered by internal Li-ion rechargeable battery, with up to 36 hours battery life in Standard Mode and up to 450 hours in Expedition Mode.
Access to BirdsEye Satellite Imagery with direct downloads and no annual subscription plus routable TopoActive mapping and federal public land map (U.S. only)
Go-anywhere navigation with 3-axis compass and barometric altimeter

15 Different types of fixed and mobile phones:

1.-Landline phones: Fixed phones that use a wired connection to the telephone network, typically found in homes and offices. They are reliable and offer clear voice quality.

2.-Cordless phones: Fixed phones that operate wirelessly within a certain range of the base station. They offer greater flexibility than landline phones, allowing users to move around while on a call.

3.-VoIP phones: Fixed phones that use internet protocols to transmit voice calls. They offer low-cost calling and advanced features such as video calling, call forwarding, and virtual phone numbers.

4.-PBX phones: Fixed phones that are part of a private branch exchange (PBX) system used in offices and businesses. They offer advanced call routing, voicemail, and conferencing features.

5.-Satellite phones: Mobile phones that use satellite communication technology to make and receive calls. They are ideal for use in remote areas where traditional phone networks are not available.

6.-Feature phones: Basic mobile phones that primarily offer calling and texting functionality. They often have physical keypads and limited storage and processing capabilities.

7.-Smartphones: Advanced mobile phones with features like internet connectivity, touchscreens, high-resolution cameras, and access to various apps. They offer a wide range of functionalities and can be used for a variety of tasks such as entertainment, communication, and productivity.

8.-Phablets: Mobile devices that are larger than a traditional smartphone but smaller than a tablet, typically with a screen size between 5.5 and 7 inches. They offer the convenience of a smartphone with the added benefit of a larger screen.

9.-Flip phones: Mobile phones with a hinge that allows them to fold in half, protecting the screen and keypad. They offer a compact and portable design, with some models also offering advanced features like cameras and internet connectivity.

10.-Slider phones: Mobile phones that feature a sliding mechanism that reveals a physical keyboard or other features. They were popular in the early 2000s and are less common today.

11.-Bar phones: Mobile phones that have a rectangular shape, with the screen and keypad positioned on the same surface. They are often low-cost and offer basic features like calling, texting, and internet connectivity.

12.-Rugged phones: Mobile phones that are designed to withstand tough conditions, such as water, dust, and extreme temperatures. They are ideal for use in outdoor activities or harsh work environments.

13.-Business phones: Mobile devices designed for business use, typically with advanced security features, email and calendar integration, and access to productivity tools. They offer a range of functionalities for professionals such as video conferencing and remote access to work files.

14.-Gaming phones: Mobile devices optimized for gaming, typically with high-end processors, fast refresh rates, and advanced cooling systems. They offer the best possible gaming experience with features such as high-quality screens, powerful speakers, and ergonomic design.

15.-Camera phones: Mobile phones with high-quality cameras, typically with multiple lenses and advanced features for capturing and editing photos and videos. They offer a range of functionalities for photography enthusiasts, such as manual controls, RAW capture, and image stabilization.