The M-216 Option P7 from Comtek is a high-quality wireless transmitter ideal for assistive listening, language interpretation, tour-guide presentations, personal communication, and for other personal remote transmission situations. The 2.5mm mic-level input allows you to connect a microphone, while the 3.5mm TRS line-level input allows you to connect a variety of audio sources. The rugged 6" whip antenna provides a great transmission range. Use it with the PR-216 headphone receiver to create a confidential audio channel.

The M-216 Option P7 uses a combination of both analog and digital technologies to offer the best audio quality possible with low noise, wide dynamic range, and a great frequency response. It can transmit on 38 standard channels and 19 high-fidelity channels for full compatibility.

For PR-216 & PR-216 Option 7 Receivers    Compact for Use in the Field    Rugged, Short Whip Antenna    Adjustable Gain Control    Up to 40 Hours with Standard 9V Battery    Auxiliary Audio Input Jack    Belt Clip & Storage Pouch Included

Compact, lightweight beltpack is ruggedly built for use in the field

Combined use of analog and digital technologies provides great sound quality

2.5mm TS connector allows you to connect a mic

The 3.5mm TRS line-level input allows you to connect a variety of audio sources

The 6" short whip antenna connects via a standard BNC connector to provide an extended range

Transmits on 38 standard channels and 19 high-fidelity channels

Built-in microcontroller automatically sets deviation, audio processing, and EQ

Operates on a standard 9V alkaline battery for up to 40 hours

Detachable belt clip and storage pouch included

Related Questions and Answers

Q: 1. Can you input 4k video into either SDI or HDMI and get 4k video out of receiver in 4k SDI or HDMI?

A: Yes, SDI to HDMI cross conversion is supported. However the 3G-SDI ports will only support HD resolutions. If you need to work with 4k you would input and output via HDMI.

Q: 2. How long would a 10050mah battery last on these if I had it transmitting from my laptop to BenQ monitor?

A: The Hollyland Mars 4K Wireless Video Transmission System will get approximately 8.5-10 hours with an 10,050mAh NPF battery.

Q: 3. can the antennas be removed and extended via an sma cable?

A: For the Hollyland Mars 4K Wireless Video Transmission System, the antennas aren't removable.

Q: 4. Can this be powered using a USB-C to DC Barrel Power Cable coming from a Smallrig mini V-Mount Battery?

A: Yes, a Smallrig battery with USB-C support like the VB series could power the Hollyland Mars 4K Wireless Video Transmitter.

Q: 5. Can I use a Hollyland Mars 4K Transmitter with a Mars 400 HDMI receiver? Setup would be - Red camera uses the SDI port on transmitter and HDMI port on the receiver.

A: The Hollyland Mars 4K Wireless Video Transmitter is not compatible with the Mars 400.

Q: 6. does the transmitter cross convert between HDMI and SDI?

A: Yes, both the RX and TX units of the Hollyland Mars 4K Wireless Video Transmission System have cross-conversion, so operators could have an HDMI source coming in and an SDI source going out on the TX unit for example.

Q: 7. Can I use both the HDMI and SDI outputs at the same time? Ex: SDI going to client monitor and HDMI into El Gato / Computer?

A: Yes, the HDMI, SDI can be used simultaneously on the Hollyland Mars 4K Wireless Video Receiver.

Q: 8. Is this a special US version? Does it not do 25/50 fps?

A: The Hollyland Mars 4K Wireless Video Transmission System (B&H# HOMARS4K) is not a special US version. Common European/PAL frame rates such as 25p and 50p are supported in very many resolution settings.

Q: 9. Do these devices need a battery pack to function?

A: The Hollyland Mars 4K Wireless Video Transmission System comes with two wall power adapters included to power both the TX and RX. However, you will need to add batteries if you cannot be wired to wall power, like these: Genaray 2 x NP-F770 4400mAh Batteries & 2 x Compact Chargers Kit (B&H # GENPF770CS)

Q: 10. If im sending a 29.97 signal to the HDMI input and I want to exit via SDI will it still be 29.97?

A: Yes, When sending a 29.97 signal to the HDMI input it will output from the SDI port at 29.97.