Product

一、Business

“Bright Aviation” supplies complete sets of equipment, including spare parts supply, installation and commissioning, flight check, technical consultation,panel repair,factory training, after-sales service, spare parts support, equipment fault repair，periodic inspection and other businesses.

二、Overview

1. T6-TRV, VHF Radio Transceiver, containing Transmitter And Receiver, 5 - 50 watts output (1 watt step adjustable), operating frequency 118–137 MHz, channel spacing 8.33 kHz or 25 kHz.

2. T6-TV，VHF Radio Transmitter， Used as a transmitter only, output power 5–50 watts (1 W step adjustable), operating frequency 118–137 MHz, channel spacing 8.33 kHz or 25 kHz.

3. T6-RV，VHF Radio Receiver， Used only as a receiver, operating frequency 118–137 MHz, channel spacing 8.33 kHz or 25 kHz.

三、Appearance

VHF Radio Front View	VHF Radio Rear View

四、Transmitter

(1) Basic Characteristics

1. Frequency range: 118～137MHz，112～156MHz( optional), multi band VHF transceiver and transmitter.

2. Channel spacing：25kHz and 8.33kHz (optional).

3. Modulation type: AM (A3E).

4. Frequency stability:≤±1ppm.

5. Output power: 5 to 50W, 1W step adjustable.

6. Modulation depth: 0～95% (adjustable).

7. Modulation distortion:≤5%.

8. Power of adjacent channels:≤60dB.

9. Stray emission: ≤-46dBm.

10. Frequency offset capability.

11. Audio response: 25kHz interval is 30 Hz to 3400Hz; 8.33kHz interval is 350Hz to 2500Hz.

(2) Basic Functions

1. Working mode: 7 days * 24 hours, continuous operation.

2. It has the protection function of overtemperature, load open circuit, short circuit or VSWR overload.

3. The front panel has the functions of setting working frequency and output power.

4. It has built-in test equipment (BITE) function.

5. The front panel and software interface have the function of displaying the working frequency and transmission status.

6. Support local and remote monitoring functions.

7. 19 inch standard rack mounting design.

8. VoIP supports and meets ED-137 requirements.

9. Weight: 5kg.

10. Size: 8 (H) * 21 (W) * 42 (D) cm, 2U chassis.

(3) Remote Control Interface

1. It has analog voice E&M (4-wire) interface and VoIP interface (in line with ED-137).

2. Provide remote monitoring interface function of SNMP protocol.

3. Provide IP based audio recording interface function.

4. Provide remote control interface.

(4) Antenna Interface

1. RF connector: N-type female.

2. Impedance: 50Ω.

(5) Audio signal input/output

1. Impedance: 600Ω.

2. Input level: -30dBm to +10dBm（adjustable）.

3. PTT response time: ≤20ms.

4. PTT transmitting signal timeout: 15-300 seconds（adjustable）.

5. The front panel is equipped with microphone and PTT (push to talk) input interface.

五、Receiver

(1) Basic Characteristics

1. Frequency range: 118～137MHz，112～156MHz( optional), multi band VHF transceiver and transmitter.

2. Channel spacing: 25kHz and 8.33kHz (optional).

3. Modulation type: AM (A3E).

4. Frequency stability: ≤±1ppm.

5. Receiver sensitivity: ≤1µV (-107dBm), (S+N)/N=10dB, 1kHz tone, 30% modulation depth.

6. Mute control: The squelch threshold is adjustable and controllable (enable/disable).

7. Total harmonic distortion (THD): ≤5%.

8. Audio AGC (automatic gain control): deviation within 30～90% modulation depth ≤1dB.

9. Adjacent channel suppression: 25kHz channel spacing ≥75dB; 8.33kHz channel spacing ≥65dB.

10. Stray response suppression: ≥70dB.

11. Audio response: 25kHz interval is 300Hz to 3400Hz; 8.33kHz interval is 350Hz to 2500Hz.

12. Mute threshold: -114 to -60dBm（adjustable）.

(2) Basic Functions

1. Working mode: 7 days * 24 hours, continuous operation.

2. It has over temperature protection function.

3. The front panel has the functions of setting the operating frequency and the threshold value of noise suppression.

4. It has built-in test equipment (BITE) function.

5. The front panel and software interface have the function of displaying the working frequency and receiving status.

6. Support local and remote monitoring functions.

7. 19 inch standard rack mounting design.

8. VoIP supports and meets ED-137 requirements.

9. Weight: 5kg.

10. Size: 8 (H) * 21 (W) * 42 (D) cm, 2U chassis.

(3) Remote Control Interface

1. It has analog voice signal E&M (4-wire) interface and VoIP interface (conforming to ED-137).

2. Provide SNMP protocol remote monitoring interface function.

3. Provide IP based audio recording interface function.

4. Provide remote control interface.

(4) Antenna Interface

1. RF connector: N-type female.

2. Impedance: 50Ω.

(5) Audio Signal Input/Output

1. Impedance: 600Ω balanced line output.

2. Signal level: adjustable from -30dBm to +10dBm.

3. Output interface: built-in speaker and headphone jack on the front panel, with adjustable volume.

六、 Power supply

1. Dual power input: AC and DC, with automatic switching.

2. AC power supply: 99～264Vac, 47～63Hz, single-phase.

3. DC power supply: 19～32Vdc.

4. Standby power supply: 24Vdc backup battery, working for at least 4 hours (recommended).

七、Environment

1. Temperature: Indoor -20°C～+50°C; Outdoor -50°C～+70°C.

2. Relative Humidity: 0～95% Indoor (non condensing); 0～100% Outdoor.

3. Altitude: 0～4500m MSL.

4. Work Cycle: continuous unattended.

5. Wind Speed Conditions: the outdoor antenna can work normally when the wind speed is up to 161 km/h and the antenna icing is 1.5cm thick.

八、 Standards

ICAO Annex 10； EN 300 676；EN 302 617；ED-137；EN 301 489。