Specifications

The following tables contain the specifications for the Real Freedom 4K Camera Back Transmitter.

View the Real Freedom 4K Camera Back Transmitter datasheet.

Audio compression

Table 1. Audio compression specifications
Parameter Specification
Standard LPCM, MPEG-1, Layer I & II
Optional Dolby AC3

Audio inputs

Table 2. Audio input specifications
Parameter Specification
Digital inputs 8 channel embedded SDI
Analog inputs 4 (with Phantom Power) Balanced Analog (Mic / Line)
Connector 2 x XLR-3 (M), BNC (F) or optional LEMO

Camera control

Table 3. Camera control specifications
Parameter Specification
Type Built in UHF data receiver
Frequency band 410–490 MHz
Bandwidth 12.5 kHz
Step size 6.25 & 10kHz
Input/output Remote paint & tally of connected camera
Connectors LEMO 5-pin 0B HGG.0B.305
Camera support BSI POV, Sony, Ikegami, Grass Valley/Thomson

Compliance

Table 4. Compliance information
Parameter Specification
Radio (RF/UHF) EN302064, EN300113
EMC EN301489

Control

Table 5. Control specifications
Parameter Specification
Local control Touch-enabled color LCD
Remote control Via UHF data receiver, built-in HTTP web server
Connectors RJ45, USB type A

Environmental

Table 6. Operating and storage specifications
Parameter Specification
Temperature -4°F to 131°F / -20°C to +55°C
Humidity 95% non-condensing

Frequency band

Table 7. Frequency band specifications
Parameter Specification
Band options*

1400 MHz to 1600 MHz, 2000 MHz to 2700 MHz, 3200 MHz to 3900 MHz, 5500 MHz to 7500 MHz, UWB: 450MHz to 8000 MHz

*User swappable options, additional bands available upon request
Tuning step 250 kHz

Modulation

Table 8. Modulation specifications
Parameter Specification
Scheme DVB-T, DVB-T2
Carriers 1K, 2K, 4K, 8K
Modes QPSK, 16-QAM, 64-QAM, Rotated QPSK, Rotated 16-QAM, Rotated 64-QAM
Bandwidth

Single pedestal: 5, 6, 7, 8 MHz

Dual pedestal: 1.7, 5, 6, 7, 8, 10 MHz
Interleaving DVB-T2 Standard – Part Compliant
FEC 1/2, 2/3, 3/4, 4/5, 5/6
Guard interval 1/32, 1/16, 1/8, 1/4

Physical

Table 9. Size and weight specifications
Parameter Specification
Size (W x H x D) 3.93 x 5.82 x 1.9 in / 100 x 148 x 48.38 mm
Weight 2.75 lb. / 1.251 kg
Ingress Fully sealed

Power requirements

Table 10. Power specifications
Parameter Specification
Supply 9–18 V DC, 20 W
Connector LEMO 0B 2-pin HGG.0B.302

RF power

Table 11. RF power specifications
Parameter Specification
Output power

10–250 mW* (selectable) *100 mW ETSI, 250 mW FCC

*Options
Connector N (F)
HPA power Built-in Bias-T/Phantom Power to power external booster amps
Additional features RF Predistortion (band specific)*, Dynamic RF Level Control*

Tallies

Table 12. Tally specifications
Parameter Specification
Type Serial I/O & Steadicam Tally
Connector LEMO 0B 6-pin HGG.0B.306

Video compression

Table 13. Video compression specifications
Parameter Specification
Standard HEVC, H.264
Profile High 4:2:2 Profile (Hi422P*)
Resolution 720p, 1080i, 1080p, 1080p(3G), 2160p
Frame rates 23.976 / 24 / 25 / 29.97 / 30 / 50 / 59.94 / 60 Hz
Chroma 4:2:0 / 4:2:2
Sample depth 8-bit, 10-bit
Connectors BNC (F)

Video input

Table 14. Video input specifications
Parameter Specification
Format (auto select) SD-SDI (SMPTE-259M), HD-SDI (SMPTE-292), 3G-SDI (SMPTE-424M), ASI

Video outputs/Save to file

Table 15. Video output specifications
Parameter Specification
Format ASI/ASI over IP (option)
Connectors BNC (F), RJ45, USB (save to file)