BTR-800 two-channel UHF wireless intercoms
The BTR-800 wireless intercom system has set the standard for all wireless intercom systems world wide. This award winning intercom system offers two channels of full duplex audio and has been enhanced to provide more frequency band options in the ever-changing UHF RF spectrum.
Models
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BTR-800 |
TR-800 |
TR-825 | |
| Frequency Band of Operation | 470 - 608 MHz, 614 - 740 MHz in 18 MHz TX and RX bands | ||
| Transmit Power | 100 mW Max. (High), 10 mW (Normal) | ||
| Wireless Technology | UHF | ||
| Power Requirements | 100-240 VAC, 50-60 Hz, IEC receptacle | 6 “AA” Cells Alkaline (NiMH optional) | 6 “AA” Cells Alkaline (NiMH optional) |
| Form Factor | Rackmount | Beltpack | Beltpack |
| RF Frequency Stability | 0.005 | 0.005 | 0.005 |
| RF Sensitivity | < 0.7 () | < 0.7 () | |
| Type | Two Synthesized Transmitters, 712 channels each | Dual Conversion Super heterodyne, Synthesized, FM, 712 channels | Dual Conversion Super heterodyne, Synthesized, FM, 712 channels |
| Squelch Threshold | 20 () | 20 () | |
| 4-Wire Input and Output | Level Adjustable () | ||
| IF Selectivity | 3 () | 3 () | |
| Auxiliary Input | Adjustable () | ||
| Image Rejection | 70 () | 70 () | |
| Auxiliary Output | Adjustable () | ||
| Squelch Quieting | 90 | 90 | |
| Distortion | < 1 () | < 1 () | |
| Microphone Input Sensitivity | 9 | 7 | 7 |
| RF Frequency Range | 470 - 608 MHz, 614 - 740 MHz in 18 MHz TX and RX bands | 470 - 608 MHz, 614 - 740 MHz in 18 MHz TX and RX bands | 470 - 608 MHz, 614 - 740 MHz in 18 MHz TX and RX bands |
| Local Headset Output | 40 mW output into 600Ω () | 40 mW output into 600W () | 40 mW output into 600W () |
| FCC ID | B5DM514 | B5DM518 (TX 470-608 MHz), B5DM515 (TX 614-746 MHz) | B5DM517 |
| Binaural | No | Yes | |
| Modulation Type | FM | ||
| Deviation | 40 kHz (35 kHz Europe) | ||
| Current Draw | 140 () | 190 () | |
| Modulation Limiter | Peak-Responding Compressor | ||
| Stage Announce Output | Internally Adjustable () | ||
| Stage Announce Relay | Dry contact, rated at 1 Amp, 24V Max | ||
| Radiated Harmonics and Spurious | Exceeds FCC specifications | ||
| Storage Temperature | -4°F to 130°F (-20°C to 55°C | -4° F to 130° F (-20° C to 55°C | -4° F to 130° F (-20° C to 55°C |
| Frequency Response | 300 Hz-8 kHz | 300 Hz-8 kHz | 300 Hz-8 kHz |
| Antenna | ½ Wave (supplied), TNC Male Connector () | ¼ Wave (supplied), Screw type, Replaceable () | ¼ Wave (supplied), Screw type, Replaceable () |
| Function | User Station | User Station | |
| User Capacity | 4 | ||
| Battery Type | Standard Alkaline Batteries | ||
| Battery Life | 12 hrs | ||
| Learn More | Learn More | Learn More |
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