Foscam R4 Vs Amcrest IP3M-941 Wireless PTZ Camera

In the emerging of home wireless PTZ cameras, most consumer IP camera vendors including Foscam, Amcrest, Lorex and still more offer various models of home IP cameras with affordable price, rich features and mostly are DIY cameras. Foscam introduces various models of security camera ranging from home cameras up to business class cameras. One of its new release IP camera is Foscam R4 wireless PTZ camera for homes.


Previously Foscam offered Foscam R2 and it seems that R4 is the higher resolution version of R2. R2 is designed with 1080p resolution while R4 comes with 4MP resolution. With higher resolution you can cover larger image detail.

See also comparison Foscam R2, Amcrest and Vimtag.

Foscam R4 Vs Amcrest IP3M-941

Like Foscam, Amcrest doesn’t want to be left behind. Amcrest offers various new models of home and business class security cameras and one of them is Amcrest IP3M-941. Amcrest IP3M-941 is supposed to be the successor for Amcrest IP2M-841 and the main difference is that IP3M-941 is 3MP resolution compared with only 2.1MP resolution for IP2M-841.

Now take a look at the following spec comparison table between Foscam R4 and Amcrest IP3M-941.

Camera resolution

Both cameras are designed with fixed lens with the same 4.0 mm focal length, and Amcrest comes with Sony CMOS sensor. Foscam R4 offers higher resolution than Amcrest, and is also higher frame rate per second (25fps) than Amcrest (20fps). Wireless PTZ camera for indoor is more than enough, you can cover larger area to monitor with sharper image detail.

For outdoor camera with large area to cover, you may consider high resolution outdoor PTZ cameras such as 5MP USG outdoor PTZ camera, it’s a PTZ  high speed dome model and is ideal hang down on the tower to cover larger area such as parking area or airports.

foscam r4 4mp camera
Foscam R4 4MP Wireless PTZ Camera

Panning and Tilting

Both Foscam R4 and Amcrest IP3M-941 are designed with the same desktop model, you need to put the camera on the shelf or on the table. Both cameras support the capability of panning horizontally and tilting vertically. Amcrest supports panning horizontal capability endless 360 degree as opposed only 300 degree with R4. However, with panning up to 300 degree capability is more than enough when you place the camera on the corner of the room.

Wifi connection

The other main difference between the two models is the built-in wifi adapter. Foscam come with single 2.4Ghz band based on wireless 802.11b/g/n standard. On the other hand, Amcrest comes with dual band feature either 2.4Ghz or 5Ghz band based on wireless 802.11a/b/g/n standard.

Today, high speed wireless routers are designed based on wireless ac dual band technology and even high end wireless routers come with three band technology. So that’s why wireless PTZ camera with dual band feature should be better when connect to cleaner 5Ghz band if your existing wireless router supports dual or three band.

See also Reolink 4MP wireless dual band outdoor camera and Canary Flex wireless dual band outdoor camera with built-in home security.

amcrest ip3m-941
Amcrest 2K wifi camera IP3M-941

Remote viewing

Both cameras support remote view with free mobile apps. Foscam with P2P technology is the easiest way to configure remote viewing without the complication of router configuration at home. Amcrest is similar with QR code scanning using the mobile app.

The other features you can have a look more details on the comparison table below.

Table 1 Foscam R4 Vs Amcrest IP3M-941

ModelFoscam R4Amcrest IP3M-941
Lens typeFixed lens 4.0 mm f/2.1Fixed lens 4.0 mm f/2.2
Resolution4MP (2560×1440 pixels) @25fps

3MP (2304×1296 pixels) @25fps

3MP (2304 x 1296 pixels) @ 20 fps
Sensor type1/3” CMOS image sensorSony CMOS image sensor
Field of view angleDiagonal Angle of View:     75 degree

Horizontal Angle of View: 67 degree

90 degree
Panning and tilting viewing anglePanning up to 300 degree

Tilting up to 100 degree

Panning endless 360 degree
Night visionYes, with 13x IR LEDs; IR Cut

Range up to 8 meters (26,2 ft.)

Yes, 12x IR LEDs

Range up to 10 meters (32 ft.)

Ethernet Port10/100Mbps RJ-4510/100Mbps RJ-45
Wifi standard802.11b/g/n single 2.4Ghz band802.11a/b/g/n dual band 2.4Ghz band and 5Ghz band
Remote viewYes, with P2P technology

With free mobile cloud apps

Yes, QR Code Scan

Amcrest cloud apps

Motion detectionYes, motion detection and intelligent alertsYes, advanced zone detection
AudioTwo way audio

With built-in Mic. and speaker

Two way audio

With built-in Mic. and speaker

StorageExternal memory slot Micro SD card up to 128GBlocal micro SD Card up to 32 GB, Amcrest or ONVIF NVR, FTP Upload, and Blue Iris.

Optional cloud recording with free 4 hours rolling video storage

Price (Apr 2018)$99.99$89.99

To learn more detail about the products, current price and customer rating click the following links:


Foscam R4 is a high resolution 4MP wireless PTZ camera for indoor, ideal for homes or small businesses for larger and sharper image details. Amcrest IP3M-941 on the other hand offers lower resolution, however it comes with wireless dual band support.

See also Foscam FI9901 4MP outdoor bullet modem camera and Nexgadget wifi security camera that provides 180 or 360 degree panorama view.

For 16 channel NVR security camera system, you may consider Reolink or Amcrest 16 channel NVR system kit to meet your business need in offices or even large home.

Leave a Comment

Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.