TR-851A / E
Amateur 430 MHz all mode transceiver, power output may be selected at 25 or 5 Watts. Main features: Triple conversion receiver, 0.11 uV sensitivity, 2.2 kHz filter for CW/SSB, CW semi break-in, 50 Hz to 12.5kHz frequency step, RIT tuning, RF gain, NB, AGC time constant automatically set by mode, 10 memories, priority channel, scanning, numeric keypad, reverse mode for repeater operation, large LCD display. Provides DCL (Digital Channel Linkage) system with MSK modulation and rear panel connection for linear amplifier control. Ideated in Japan, year of introduction 1986.
Reference market : amateur-radio
TR-851A / E specifications
General |
Frequency coverage | |
---|---|
Receive | 430.0000 ~ 440.0000 MHz |
Transmit | 430.0000 ~ 440.0000 MHz |
Mode | |
CW / LSB / USB / FM | |
Tuning step | |
50 Hz / 1 / 5 / 12.5 [2] / 25 [1] kHz |
Receiver |
Sensitivity | |
---|---|
SSB / CW | <0.11 uV (10dB S+N/N) |
FM | <0.18 uV (12dB SINAD) |
Selectivity | |
SSB / CW | >2.2 kHz (-6dB)
<4.8 kHz (-60dB) |
FM | >12 kHz (-6dB)
<24 kHz (-60dB) |
Image rejection | |
>60 dB | |
NB (Noise Blanker) | |
Yes | |
RIT (Receiver Incremental Tuning) | |
±1.2 kHz | |
Frequency stability | |
± 20ppm with temperature from -20°C to +50°C | |
IF (Intermediate Frequency) | |
1° | 41.415 MHz |
2° | 10.695 MHz |
3° | 455 kHz (FM only) |
Squelch sensitivity | |
<0.1 uV |
Transmitter |
Output power | |
---|---|
SSB / CW | 5 [3] / 25 W |
FM | 5 [3] / 25 W |
Spurious emission | |
<-60 dBc | |
Carrier suppression (SSB) | |
>40 dB | |
Unwanted sideband suppression (SSB) | |
>40 dB | |
Maximum deviation (FM) | |
±5 kHz | |
Microphone | |
500~600Ω |
Features |
Memory | |
---|---|
10 standard memories
CH 1 is the priority channel CH 0 and 9 are split-frequencies channels |
|
Display | |
100 Hz frequency resolution | |
Selective calling | |
1750Hz tone [2]
CTCSS tone [1][4] |
|
Antenna | |
SO239 50Ω | |
Power supply | |
13.8 VDC (±15%) | |
Power consumption | |
800mA RX (with no input signal)
7.5A TX (25W power) |
|
Audio power | |
2W on 8Ω | |
Audio output | |
Jack 3.5 mm (external speaker) | |
Connections | |
Jack 3.5 mm (CW key)
Jack 4-pin (AUX / linear amplifier) Jack 6-pin (Mic) |
Mechanical and environmental data |
Operating temperature | |
---|---|
from -20°C to +50°C | |
Dimensions | |
180 (W) x 63 (H) x 233 (D) mm projections included | |
Weight | |
2.5 kg |
- Kenwood TR-851A, USA version.
- Kenwood TR-851E, European version.
- Adjusable up to out 25 Watts.
- With optional unit.
Updated | Complete | UK - NORTHERN IRELAND
378 pages | 300+ Airports and Airfields
Voice com. | ACC | FIC | VOLMET | ACARS | VDL | ILS | VOR | DME
The Kenwood TR-751 is similar to TR-851, but operates on 2-meters band (144-148 MHz) instead of 70cm.
TR-851A / E repeater operations :
Offset feature: this feature causes the transmitter frequency to shift above or below the receiver frequency. The amount of the offset (shift) is show in the table below.
Model / Display | |
---|---|
TR-851A (USA version) | Display: [+] Offset: +5 MHz |
TR-851A (USA version) | Display: [-] Offset: -5 MHz |
TR-851E (UK version) | Display: [+] Offset: +1.6 MHz |
TR-851E (UK version) | Display: [-] Offset: -1.6 MHz |
TR-851E (EUR version) | Display: [D-A] Offset: -7.6 MHz |
TR-851E (EUR version) | Display: [D-B] Offset: -1.6 MHz |
You can select the desidered transmitter offset by repeatedly pressing the OFFSET key. The display will indicate which offset has been selected by turning on a small bar under the selected offset. In simplex mode no bar will show under the "+", "-", "D-A" or "D-B". The REV switch reverses the transmit and receive frequencies when using an OFFSET or split frequency memory (channel 9 or 0). This function is used to check the repeater's input frequency or operate on reverse repeater, where input/output frequencies are opposite to those of a normal repeater.
To use the REVERSE function press the REV key. The REV indicator in the display will illuminate and the displayed frequency will change to the old transmit frequency. The TR-851 will now transmit on the old receive frequency when the PTT switch is depressed.
TR-851A / E price
We have collected for your convenience the Trio Kenwood TR851 sale price (Euro) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.
Price | Date | Condition |
EUR 190.00 | 2022-jan |
Second Hand It works properly |
EUR 169.00 (199USD) |
2021-nov |
Second Hand In good condition |
TR-851A / E review
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