Class-B VHF DSC Transceiver

Class-B VHF DSC Transceiver

Product’s main function

1、 General call

2、 DSC system

(distress call, distress acknowledgement call, distress relay call, individual call, position request call, position to send call, individual acknowledgement call, group call, all ships call, sea area call, semi-automatic telephone service, DSC test)

3、 Collision avoidance alarm display

4、 Weather alarm (American weather Bureau)

5、 Priority scan

6、 Dual-watch and Tri-watch

7、 Timing clock alarm

8、 64 waypoints stored

9、 64 common using ID storage

10、 Navigation function

11、 Automatically record incoming messages

1) Distress messages: 32

2) Other messages: 32

3) Collision avoidance alarm messages: 72

Technical specifications

1、 Overall specifications

Frequency range: Tx: 156.025-157.425MHz, Rx: 156.050-163.275MHz

Modulation method: FM (16K0G3E) DSC (16K0G2B)

Receiving system: superheterodyne double conversion

Frequency tolerance: ±10ppm(-20℃+60℃)

Power supply voltage: DC13.8V (±15%)

Antenna impendence: 50Ω

Output impendence: (audio) 8Ω

Input impendence: (microphone) 2KΩ

Dimensions: W153)×H(67)×D(132)mm

Weight: 830g (±2%)

2、 Transmitter specifications

Output power: 25W/1W

Modulation limit: ≤±5KHz

Modulation: sensitivity: 17mV±10mV

Audio distortion: ≤7%

Adjacent channel selectivity: ≥70dB

Spurious emissions: ≤-53dB

Residual modulation: ≥40dB

Tx current consumption: high power≤6.0A, low power≤1.5A (DC13.8V)

3、 Receiver specifications

Reference sensitivity: ≤0.25uV (12dB SINAD)

Squelch sensitivity: ≤0.15uV

Modulation receiver bandwidth: ≥2×5KHz

Deep squelch blocking threshold: ≥5KHz

Adjacent channel selectivity: ≥65dB

Intermodualtion rejection ratio: ≥58dB

Spurious response: ≥65dB

Audio output power: ≥2W (8Ω)

Audio distortion: ≤7%

GPS output format: NMEA0183 (2.0)