The TKR-850's high stability 1.5PPM (2PPM for TKR-750) TCXO modules, 100% duty RF power amplifier (25W output), integrated die-cast heat sink and forced-air cooling provide site-friendly, continuous operation.
- High Stability 100% Continuos Duty
- 16 Full-Duplex Channels & Single Priority Scan
- QT/DQT with DSP Multi-Decode
- Companded Audio
- Flash Memory
- 2-Digit Numeric LED Display
- LED Indicators
- Wide/Narrow Channel Bandwidth per Channel
- WINDOWS® Programming and Tuning Software
- 6 PF Keys & Local Speaker
- Embedded Message with Password Lock
- External Control I/O
- Battery Backup System
- Durable Die-Cast Chassis Construction
| TKR-750 | TKR-850 | |
|---|---|---|
| GENERAL | ||
| Frequency Range Type 1 Type 2 |
146 - 174 MHz 136 - 150 MHz |
450 - 480 MHz 480 - 512 MHz |
| Number of Channels | 16 | |
| Channel Spacing Wide Narrow (PLL channel stepping) |
30, 25 kHz 15, 12.5 kHz (5, 6.25 kHz) |
25 kHz 12.5 kHz (5, 6.25 kHz) |
| Operating Voltage | 13.6 V, DC ±15% | |
| Current drain Standby Standby (w/power save ) Receive Transmit/Rece ive |
0.8 A 0.3 A Operating mode; DC-IN:Backup, FAN:Temp, SAVE:On, DISP:Off 1.2 A Less than 13 A |
|
| Duty Cycle | Receive: 100%, Transmit: 100% | |
| Frequency Stability | ±0.0002% (-22° F ~ +140° F) | ±0.00015% (-22° F ~ +140° F) |
| Operating Temperature Range | -22° F ~ +140° F (-30° C ~ +60° C) |
|
| Dimensions (W x H x D) | 19 x 3-1/2 x 13-1/3 in. (483 x 88 x 340 mm) | |
| Weight (net) | 21.4 lbs. (9.7kg) | |
| FCC ID Type 1 Type 2 |
ALH31103110 ALH31103120 |
ALH31113110 ALH31113120 |
| FCC Compliance Type 1 Type 2 |
22, 74, 90 90, 90.210 |
22, 74, 90, 95 90, 90.210 |
| CANADA IC (RSS119) Type 1 Type 2 |
282195726A 282195742A |
282195725A |
| RECEIVER (Measurements made per TIA/EIA-603 ) | ||
| Antenna impedance | 50 Ω | |
| Sensitivity 12 dB SINAD 20 dB quieting |
0.35µV 0.45µV |
|
| Selectivity Wide Narrow |
85 dB at ±30 kHz 80 dB at ±15 kHz 77 dB at ±12.5 kHz |
83 dB at ±25 kHz 75 dB at ±12.5 kHz |
| Intermodulation Wide Narrow |
80 dB at ±30,60 kHz 75 dB at ±15,30 kHz |
78 dB at ±25,50 kHz 75 dB at ±12.5,25 kHz |
| FM Hum & Noise Wide Narrow |
50 dB 45 dB |
|
| Audio Output (Ext. Speaker) | 4 W (at 4 Ω, less than 5% distortion) | |
| Spurious & Image Rejection | 90 dB | |
| Audio Distortion (Ext.Speaker) | Less than 2.5% at 1000 Hz | |
| Band Spread Type 1: Type 2: |
3 MHz 3 MHz |
5 MHz 5 MHz |
| TRANSMITTER (Measurements made per TIA/EIA-603 ) | ||
| RF Power Output | 50 W adjustable to 25 watts (100% duty at 25W) | 40 W adjustable to 25 watts (100% duty at 25W) |
| Antenna Impedance | 50 Ω | |
| Type of Emission Wide Narrow |
16K.F3E 11K.F3E |
|
| Spurious Response Harmonics Others |
80dB 80dB |
80dB 75dB |
| FM Hum & Noise Wide Narrow |
50 dB / 45 dB | |
| Microphone Impedance | 600Ω | |
| Audio Distortion | Less than 3% at 1000 Hz | |
| Band Spread Type 1: Type 2: |
28 MHz 14 MHz |
30 MHz 32 MHz |
| REPEATER CONTROL (Measurements made per TIA/EIA-603) | ||
| Signaling (simultaneously) Maximum Number of Tones |
16 | |
| QT Decoder/Encoder Tone frequency Decoder response time Squelch tail elimination time Encoder frequency error Sensitivity |
67.0 ~ 210.7Hz (0.1Hz step) 250ms or less 140 to 200 ms ±0.3% or less SINAD 8dB or less |
|
| DQT Decoder/Encoder DQT code Decoder response time Turn-off code transmission time Sensitivity |
23 bits total: a 3-digit octal number (0 ~ 7,12bits) with error correction (11bits) 250ms or less 140 to 200 ms SINAD 8dB or less |
|
| Time-out Timer | Off to 30 min. | |
| Repeat Hold Time | Off to 10 sec. | |
| EXTERNAL CONTROL | ||
| CWID Maximum modulation CW tone frequency Morse code speed Maximum character memory |
Maximum deviation of 40%±10% 400Hz to 2000Hz, (default 800Hz) 5 to 30 word per minutes, (default 20WPM) Up to 32 characters (include space) |
|
| CW Message Maximum character Number of banks | Up to 32 characters per bank (include space) 8 banks |
|
| Test Tone Maximum modulation Test tone frequency |
Maximum deviation of 60% 300Hz to 3000Hz (default 1000Hz) |
|
