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Description
Comtek BST-25/216 Synthesized Base Station Transmitter57 Channels in the 216 217MHz Range Single Window, Bright LED Display VU Bar Graph Meter Test Tone Generator Balanced Mic or Line Level Micro Controller Rackmountable Telescopic Antenna Mounts Operates w the Phonak MicroEar Receiver 12 Volt DC Power The BST 25 216 Synthesized Base Station Transmitter from Comtek is an auxiliary base station transmitter designed to operate in the newly assigned 216 217MHz band under part 95 of the FCC regulations. For
- 57 Channels in the 216-217MHz Range
- Single Window, Bright LED Display
- VU Bar Graph Meter
- Test Tone Generator
- Balanced Mic or Line Level
- Micro Controller
- Rackmountable
- Telescopic Antenna Mounts
- Operates w/ the Phonak MicroEar Receiver
- 12 Volt DC Power
The BST-25/216 Synthesized Base Station Transmitter from Comtek is an auxiliary base station transmitter designed to operate in the newly assigned 216-217MHz band under part 95 of the FCC regulations. For highest fidelity operation, the PR-216 receiver must be used with the wide-band companded channels.
This transmitter may be used for personal cueing, for tour guide applications, language interpretation and for assistive listening. The BST-25/216 also operates with the Phonak microEar VHF in-ear receiver in the narrow-band non-companded channels.
The BST-25/216 transmitter incorporates the latest digital and analog technologies to produce low residual noise, wide dynamic range, and extended frequency response rendering the most natural sound possible from a wireless system.
- 57 user-selectable channels in the 216 to 217MHz range: 38 standard narrow-band, non-companded channels; 19 high-fidelity narrow-band channels with companded audio processing
- Single window, bright LED display for exact frequency and channel, VU bar graph meter, antenna condition and lock-out indicator
- Test tone generator for receiver testing and audio level referencing
- Balanced mic or line level with 60 dB of control range to accommodate any audio level
- Micro controller automatically sets the modulation deviation, audio mode for processing, and the EQ when corresponding channels are selected
- It can be rackmounted for AC or 12 V DC power and can accommodate a variety of remote antennas
In the Box
Comtek BST-25/216 Synthesized Base Station Transmitter
- C-16 Carrying Case
- BST-25 Operator's Manual
- TWA-72 Whip Antenna
- AP-12V1 Power Adapter
- 1-Year Warranty
| Audio Inputs | Mic XLR, 600 ohm balanced -40dBV (nominal) Line XLR, 10 kohm balanced 0dBV (nominal) |
| Connectors | XLR-3 female audio input connector for mic and line input XLR-4 male power input 12 V BNC type RF output connector |
| Indicators | LED bar graph VU meter displays audio input (modulation) Two digit alpha numeric display shows operating channel Five digit numeric display shows operating frequency Antenna indicator displays deficient antenna condition Lock out indicator shows tuning has been disabled |
| Antenna | Telescopic antenna mounts directly into top of transmitter BNC RF output connector for optional external antenna |
| FCC Compliance | Type accepted under Part 95 |
| Power Requirements | 12 V DC, 300 mA max |
| Freq. Response (Rec/Repro) | 80Hz-8kHz |
| Audio Distortion | Less than 1% at 80% modulation |
| Modulation | Soft compressor type with high (25 dB) linear overload protection, attack time less than 1ms, recovery time 10ms |
| Gain Control | Greater than 40 dB |
| Generators | Test tone: 400Hz 0.05% distortion |
| Modulation | Frequency: 5 and 10kHz deviation |
| RF Output Power | Set for 100mW for FCC Part 95 |
| Frequency Stability | Better than 20 ppm. digitally synthesized, crystal controlled |
| Operating Frequency | 216-217MHz |
| Harmonic & Spurious Emissions | Better than 55 dB below carrier |
| Dimensions (W x H x D) | 6.5 x 1.8 x 5.6" (165.1 x 45.7 x 142.4mm) |
| Weight | 2.8 lb. (1.2kg) |
| Packaging Info | |
|---|---|
| Package Weight | 8.0 lb |
| Box Dimensions (LxWxH) | 24.0 x 11.0 x 8.0" |
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
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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
4.2 ★★★★★
Based on 375 reviews
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Product Reviews
★★★★★ 2
See through and jacket has no structure
Size: Large, Color: Light Grey, Size: Large, Color: Light Grey
On the positive side, it does appear to be well made. The stitching is clean, the fit is decent, and overall construction seems solid for the price.
However, the material is extremely thin much thinner than expected. It’s so lightweight that it is see-through. Both the jacket and pants are unlined, which makes the suit feel even lighter and less structured. I
While I understand seersucker is meant to be breathable and comfortable this isnt even seersucker it is a striped polyester blend material. It may work in very hot climates but if you’re looking for something with more structure or durability, this is not the best option. The fabric feels about as thick as a paper towel.
Overall, decent construction, but the thinness and lack of a defined shape and lining are disappointing and makes it almost impossible to wear.
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Reviewed in the United States on March 1, 2026
★★★★★ 3
Not as expected.
Size: Large, Color: Blue
Thin material. Not as expected. Planning to wear it for Kentucky Derby but just not appropriate.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Surprisingly good product.
Size: 5X-Large, Color: Grey Black
Came exactly as suspected. When ordering a 3 piece tux I expected to find some sort of problem or something that didn't fit, but I was pleasantly surprised. Looks like the photos and fits as advertised. So very happy. Doesn't look cheap or gimmicky. Thank you!
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Reviewed in the United States on October 19, 2025
★★★★★ 5
Good quality stank fishy smell
Size: Small, Color: Silver
Beautiful but it stank badly smells like fish. Wherever y'all have it stored in when y'all have it needs to be cleaned out. Now I have to take it to get cleaned/steamed because of this stank smell. Need give me some of my money back much as it cost. Now I got to pay get smell out of it is ridiculous. Cost to much for this to smell how it smells.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Baggy but nice color
Size: X-Small, Color: Burnt Orange White
Husband looked great in it but if you want it slim you will have to tailor it it was a lil baggy very true to size
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Reviewed in the United States on May 7, 2026