Atomos
Atomos TX-RX 4K/HD Wireless Video Monitoring Transmitter & Receiver Set
Regular price $599.00Unit priceAtomos
Atomos TX 4K/HD Wireless Video Monitoring (Transmitter only)
Regular price $449.00Unit price
Wireless Video Transmission Systems for Film, Broadcast & Live Events
Wireless video transmission systems send your camera's signal — SDI or HDMI — to a monitor, switcher, or recording device without a cable tether. On a film set, they give the director and DP a wireless monitor feed. In broadcast, they eliminate cable runs across a venue. For live events, they let a technical director receive multiple camera feeds wirelessly at the control position. Our wireless video collection includes systems from Hollyland and Teradek — industry-trusted brands covering everything from compact HDMI transmitters for single-camera shoots to professional SDI systems for multi-camera live events.
Buying Guide: Wireless Video & Transmission Systems
HDMI vs. SDI Wireless Systems
Your wireless system starts with the signal type your camera outputs. Most mirrorless cameras, DSLRs, and compact cinema cameras output HDMI — so an HDMI wireless transmitter is the natural choice. Broadcast cameras, cinema cameras, and PTZ cameras typically output SDI (BNC connector), which runs over coaxial cable and is the professional broadcast standard. Some wireless systems support both HDMI and SDI inputs, giving you flexibility across different cameras and environments. For professional broadcast and live event work, SDI is preferred because it's more robust over long cable runs on the receiving end.
Latency — The Most Critical Spec
Latency in wireless video is the delay between the image hitting the camera sensor and it appearing on the receiving monitor or device. For a director's wireless monitor feed, even 100ms of latency makes the image feel disconnected from the action — tolerable for a static interview but unusable for action-heavy scenes where the director needs real-time feedback. Teradek's professional systems (Bolt series) are known for their sub-1ms "zero delay" latency. Hollyland's mid-tier systems (Mars, COSMO series) deliver latency in the 60–80ms range — adequate for most monitoring applications but noticeable to trained eyes. Always check the manufacturer's latency spec and understand the real-world conditions it's measured under.
Hollyland vs. Teradek
Hollyland has established itself as the value leader in wireless video — the Mars 400S, Mars 4K, and COSMO series deliver solid range and image quality at accessible price points, making them the go-to choice for independent filmmakers, event videographers, and productions that need wireless monitoring without a broadcast-tier budget. Teradek is the professional broadcast standard — the Bolt series is used on Hollywood sets, broadcast trucks, and major live events where zero-latency performance and rock-solid reliability in crowded RF environments are required. The price difference is significant; the Teradek premium is justified on professional productions and overkill for smaller indie work.
Range & Real-World Performance
Wireless video systems spec their range as line-of-sight distances — typically 300–1,500 feet depending on the system. Real-world range inside buildings, around bodies, or in crowded RF environments (stadiums, conventions) will be substantially less. For a film set where the director's monitor is 30–50 feet from camera, almost any modern system will perform reliably. For broadcast or large venue applications where distances exceed 100 feet or there are walls and obstructions, invest in systems with higher transmit power and proven RF performance in those conditions.
Monitor Feeds vs. Craft Video
Most wireless video systems on set carry the director's monitor feed — a clean image from the camera for viewing purposes only. "Craft video" (a term from broadcast) refers to distributing the video signal to multiple destinations: video village, a producer's wireless monitor, and potentially a recording device. Systems that support multiple receivers (one transmitter to multiple receivers simultaneously) are essential for larger productions. Teradek's Bolt series supports multi-receiver configurations; some Hollyland systems also support dual-receiver setups.
What is wireless video transmission and how does it work?
A wireless video transmitter connects to your camera's HDMI or SDI output, digitizes the video signal, and sends it via a proprietary RF (radio frequency) protocol to a paired receiver. The receiver outputs a clean HDMI or SDI signal to a monitor, switcher, or recorder. The key performance metrics are latency (how long the signal takes), range (how far it reliably transmits), and image quality (whether the signal is compressed or uncompressed).
What does "zero latency" mean in wireless video?
"Zero latency" (used by Teradek) technically means latency below 1 millisecond — imperceptible to the human eye and equivalent to the delay of a physical cable. This is achieved through specialized FPGA-based processing that avoids standard video compression/decompression cycles. Systems that use H.264 or H.265 compression introduce more processing delay (typically 60–200ms). For most monitoring applications, sub-100ms latency is workable; for action-heavy directing or any live-cut environment, near-zero latency is strongly preferred.
Can I send one camera's signal to multiple monitors wirelessly?
Yes — many wireless video systems support multi-receiver configurations. One transmitter can broadcast to 2, 4, or more receivers simultaneously, each feeding a separate monitor. This is useful for director's monitor, producer's monitor, script supervisor, and video assist all receiving the same camera feed. Check whether your system supports multi-receiver pairing before purchasing if this is a requirement.
How far can wireless video transmit reliably?
Entry-level systems (Hollyland Mars series) spec at 300–400 feet line-of-sight; professional systems (Teradek Bolt) reach 1,500+ feet. Real-world distances in buildings or crowded environments are typically 30–50% of the spec'd range. For a typical film set (director's monitor 30–80 feet from camera), virtually any modern system will perform reliably. For large venue broadcast work, spec for the full distance plus margin and choose a system with higher transmit power.
Do wireless video systems compress the image?
It depends on the system. Entry- and mid-tier systems use H.264 or H.265 compression to reduce bandwidth — this introduces some image degradation and latency but keeps the hardware affordable. Professional systems like Teradek Bolt use visually lossless or truly uncompressed transmission, preserving full image quality. For monitoring purposes, the compression in most mid-tier systems is invisible on a calibrated monitor. For systems that will feed a live cut or recording in addition to monitoring, lossless transmission is worth the investment.
What wireless video system does Hollyland make?
Hollyland's most popular systems include the Mars 400S (HDMI, 400 feet, entry-level), Mars 4K (HDMI, 4K signal support, mid-tier), and the COSMO series (dual-antenna professional SDI/HDMI systems for longer range and more demanding environments). Hollyland also makes the Pyro series for professional broadcast applications. We stock a full range of Hollyland systems — email us at sales@impulsemke.com if you have questions about which tier fits your production.
Visit Us in Milwaukee — Need a wireless video setup for your next production or live event in the Milwaukee area? Stop by our Oak Creek store at 7965 S Main Street or email sales@impulsemke.com. Our team can help you match the right transmitter/receiver system to your camera, distance, and production requirements.