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Description
Listen Technologies Stationary RF Transmitter (216 MHz)216 MHz Frequency Transmitter Transmits Signal from Main Audio System Broadcast to Belt & Stationary Receivers Look & Listen LCD Display The 216 MHz Stationary RF Transmitter from Listen Technologies connects to your main audio system to broadcast a high quality audio signal to belt pack receivers or stationary receivers, ensuring your audience can clearly hear and understand your presentation. The transmitter features Listen Technologies' signature
- 216 MHz Frequency Transmitter
- Transmits Signal from Main Audio System
- Broadcast to Belt & Stationary Receivers
- Look & Listen LCD Display
The 216 MHz Stationary RF Transmitter from Listen Technologies connects to your main audio system to broadcast a high-quality audio signal to belt pack receivers or stationary receivers, ensuring your audience can clearly hear and understand your presentation. The transmitter features Listen Technologies' signature Look & Listen LCD display, which shows channel, lock, programming, and RF power.
- 70 dB signal-to-noise ratio
- 57 channels
- Digitally-tuned so the transmission won't drift
- Balanced and unbalanced inputs
- Rack mountable
- Auto processor to condition the audio for voice/music prior to transmission
- VU level meter and test tone
| Audio | |
|---|---|
| Inputs | Rear panel: 1 x female XLR or 1/4" in combo connector, balanced, 0/-55 dBu (line/mic) nominal input level adjustable, -30/+21 dBu (line/mic) maximum input level, impedance 20k/1k ohm (line/mic), phantom power +12 VDC 2 x phono connectors, unbalanced, -10/+10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100 kohm |
| Frequency Response | 50 Hz to 10 kHz (±3 dB) |
| Signal to Noise Ratio | SQ Enabled: 80 dB SQ Disabled: 50 dB |
| Distortion | <2% total harmonic distortion (THD) at 80% deviation |
| Audio Processing | Compression can be turned on/off, slope internally adjustable from 1:1 to 4:1, default 2:1 |
| Contour | Cuts and boosts frequencies above 5 kHz |
| Outputs | Audio: input 1 and input 2, mixed output (rear panel), 2 x phono connectors, unbalanced, -10 dBu nominal output level, +15 dBu maximum, impedance 10 Ohms Headphone:Front panel, 1 x 3.5 mm stereo connector, unbalanced, adjustable output level, +3 dBu maximum, impedance 10 Ohms |
| Controls | |
|---|---|
| User Controls | Front Panel: Power, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume control Rear Panel: Input 1 Level, (Line, Mic, Mic-Phantom Power), Input 2 level (-10 / +10 dBu), RF power level (low, mid, high) |
| Adjustments | Internal: compression ratio for audio processor |
| Programming | SQ on/off, process on/off, channel lock |
| Indicators | |
|---|---|
| LEDs | Indicates input 1, input 2, and mix audio levels 10 segment LEDs (8 green, 2 red) |
| Processing | Indicated by a green LED when on (front panel) |
| RF Power | Indicated on the LCD (low, mid, high) |
| LCD | Channel designation, lock status, RF power level, programming (front panel) |
| Tone | Test Tone: red LED illuminates when test tone is enabled |
| RF Specification | |
|---|---|
| Frequency Range | 216.0125 to 216.9875 MHz |
| Number of Channels | 19 wide band, 38 narrow band |
| Frequency Accuracy | ±.005% stability 32 to 122°F (0 to 50°C) |
| Stability | Transmitter: 50 PPM |
| Transmission Range | Up to 3,000' (914 m) |
| Output Power | 100 mW |
| Antenna Connector | BNC |
| Power | |
|---|---|
| Power Supply | In-line power supply |
| Power Supply Input | 100-240 VAC, 50-60 Hz, 0.4 A |
| Power Supply Output | 12 VDC, 1.3 A, 15.6 W |
| Power Supply Connector | 0.02" (5.0 mm) OD, 0.01" (2.5 mm) ID, barrel type |
| Compliance | UL, CE, GS, TUV, RoHS |
| Environmental | |
|---|---|
| Operating Temperature | 14 to 104°F (-10 to 40°C) |
| Storage Temperature | -4 to 122°F (-20 to 50°C) |
| Humidity (Non-condensing) | <95% relative humidity |
| Physical | |
|---|---|
| Color | Dark gray with white silk screening |
| Rack Mountable | One rack space high, 1/2 rack space wide |
| Dimensions | 1.75 x 8.5 x 9.13" (4.5 x 21.5 x 23 cm) |
| Weight | Unit: 2.6 lb (1.2 kg) Unit with Power Supply: 3.5 lb (1.6 kg) |
| Compliance and Approvals | |
|---|---|
| RF | FCC Part 15, Part 90, Industry Canada |
| Safety | RoHS |
| Packaging Info | |
|---|---|
| Package Weight | 3.6 lb |
| Box Dimensions (LxWxH) | 13.4 x 9.7 x 3.0" |
In the Box
Listen Technologies Stationary RF Transmitter (216 MHz)
- LA-207-01 12 VDC Replacement Power Supply for LT-800 (Black)
- Limited Lifetime Warranty
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
The only one I'll use!
As the title says, this is the brand to get!! It's fast-acting, doesn't give me weird dreams like some do, and I never wake up feeling groggy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2025
★★★★★ 5
Works wonders
I've been buying these for well over a year now as Subscribe and Save. I work 12 hour overnights as a nurse. My sleep schedule normally gets messed up. I would have no problem falling asleep but would wake up only a few hours later which is not good when you have work again that night. We buy these on Amazon due to the great price and the fact that they are extended release which helps keep me asleep longer. When I take 1 or 2 of them, I am able to sleep about 7-8 hours which is great. I take this both when I sleep during the day and sleep during the night. It helps me sleep no matter when and I am able to adjust my sleep schedule often. I have recommended them to many.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2013
★★★★★ 4
Works quite well, dose still a bit high for me
Used to take the Natrol 5mg slow release, now that I can compare these 2, I love this more. It doesn't make me feel too edgy, it's quite relaxing actually. I still have to halve the dose as the full dose makes me groggy the next day. Where the Natrol gave me very vivid, but not unpleasant dreams, these don't make me dream as vividly. It does take a bit longer to get me to sleep, but once asleep, your asleep. Highly recommend, once I finish this bottle, I'd get the 2mg tr next time, as a lower dose works better for me.
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Reviewed in the United States on July 10, 2014
★★★★★ 5
Excelente Muy Satisfecho
Servicio excepcional, cuidadoso, el producto muy bien empacado. Y el tiempo de entrega fue el acordado. Y del producto ni hablar, excelente.
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Reviewed in the United States on February 3, 2026
★★★★★ 5
seems to work just fine
Helps me sleep. I also use Mg, B complex and medical cannabis oil before bed. My sleep isn't great otherwise here in the good ol' USA (unlike in Europe where I sometimes go for complicated issues/not vacation; which indicates issues with the much higher radiofrequency exposure allowed in the US than in the European country where I sleep like a happy baby). Just wait for 5G, then I probably need to reinvent my sleep protocol if I want to get any rest. But well, with the 5G impact on the biosphere, we may not be here much longer then. That means we better stop 5G before it's all roleld out.
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Reviewed in the United States on August 2, 2019
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