The PortKeys BM5 IV is a field monitor featuring a 5.5-inch LCD touchscreen, a resolution of 1920 x 1080, and a maximum brightness of 2000 nits (cd/m²). Its 10-bit panel (8+2 FRC) covers 100% of the Rec.709 color space and supports HDR and user calibration. It features HDMI inputs supporting up to DCI 4K 60p and 3G-SDI supporting up to 1080p60.

• Display type: LCD touchscreen
• Screen size: 5.5 inches
• Resolution: 1920 x 1080
• Brightness: Up to 2000 nits (cd/m²)
• Color depth: 10-bit (8+2 FRC)
• Color space: 100% Rec.709
• HDR support: Yes
• User calibration: Yes
• Aspect ratio: 16:9
• Viewing angles: 178° / 178°
• Contrast ratio: 1000:1
• LUT support: 3D LUT
• Image tools: RGB waveform, luma histogram, vectorscope, false color, zebra, peaking, and audio meters
• Display modes: Picture-in-Picture and side-by-side
• Inputs: 1 x HDMI, 1 x 3G-SDI
• Outputs: 1 x HDMI, 1 x 3G-SDI with LUT
• Signal conversion: HDMI/SDI
• Wired camera control: Sony, Canon, RED, ARRI, Panasonic, Z CAM, BMPCC
• Interface: Tilta Nucleus-M UART
• Headphone output: 3.5 mm
• USB port: 1 x USB-A
• Power supply: 7–24 VDC via 4-pin aviation connector
• Maximum power consumption: 16 W
• Compatible batteries: Sony NP-F (F970/F960/F750/F550)
• Fan: Recording-synchronized
• Housing material: CNC-machined aluminum
• Operating system: CINENORM OS
• Dimensions: 145.4 x 91.4 x 39.6 mm
• Weight: 350 g