SAILOR SP3520

Product Specifications
Product brand SAILOR Danish Sailor
Product model SP3520
Frequency range 149.3-174MHz
Battery capacity 1850mAh
Product frequency band VHF
Working voltage 7.4V
Channel spacing of 25kHz/12.5kHz
Battery type: Lithium ion rechargeable battery
Number of channels 22
Waterproof rating IP67
Additional programmable channel 100
Pre programmed channel GMDSS
The display screen has
Transmitter power 2W/1W
Weight (including battery) 380g
Product size 6.6 × 27.6 × 5.2cm




1、 Core positioning: GMDSS compliance+strong protection, suitable for professional maritime scenarios
As a VHF walkie talkie under SAILOR, the SP3520 focuses on maritime communication. With GMDSS pre programmed channels as its core compliance advantage, it is designed with 149.3-174MHz VHF professional maritime frequency band and IP67 waterproof protection, specifically for ship maritime, port and dock scenarios. It can meet daily dispatch needs and comply with international maritime communication standards. It is a "professional communication partner" for crew members and port dispatchers, providing compliant and stable signal support for maritime operations.
2、 Core performance: Professional parameters, balancing compliance and practicality
1. Dual protection of compliance and protection to cope with complex maritime environments
GMDSS pre programming: Built in GMDSS (Global Maritime Distress and Safety System) pre programming channel, compliant with International Maritime Organization (IMO) communication standards, can quickly switch to the distress communication channel in case of emergencies, ensuring crew safety and ship navigation compliance;
IP67 waterproof: it meets IP67 waterproof standard and can be soaked in 1m water depth for 30 minutes without fear of seawater splashing and rainstorm. It has been used in wet ship decks and port operation areas for a long time and is not easy to cause failures due to water ingress, and its durability is full;
Stable power supply: Equipped with a 7.4V DC power supply and an 1850mAh lithium-ion rechargeable battery, it can be used for 8-10 hours of regular maritime operations per day. A single charge can meet all day use, and with a backup battery, it can cope with long-term work scenarios such as cross shift and long-distance navigation without frequent charging.
2. Efficient communication, covering maritime needs in multiple scenarios
VHF professional frequency band: 149.3-174MHz VHF frequency band is a dedicated frequency band for maritime communication, with stable signal propagation and suitable for short distance communication between ships and ship shore. In open sea areas, ports and waterways, the communication distance can reach 3-5 kilometers, meeting the needs of daily dispatch and emergency communication;
Multi channel reserve: A total of 122 available channels (including GMDSS pre programmed channels and 100 additional programmable channels), which can preset exclusive channels for different work scenarios (such as navigation scheduling, cargo communication, crew contact), with a frequency interval of 25kHz/12.5kHz, compatible with the existing frequency standards of the port, avoiding cross scenario communication interference, and precise scheduling with just one click switching;
Flexible power adaptation: 2W/1W dual power mode, with 1W power saving for close range cabin communication and crew communication, and 2W power strong signal for long-distance ship shore communication and port cross regional scheduling, balancing endurance and communication radius, avoiding the embarrassment of "excessive power" or "weak signal".
3. Humanized design, suitable for long-term maritime operations
Lightweight and easy to carry: With a battery, it weighs only 380g and has a compact size of 6.6 × 27.6 × 5.2cm (about the size of a palm). It can be hung on the waist or held in hand without any weight, making it easy for crew members to carry without any burden when working in narrow cabins or shaking decks. It can be used for a long time without fatigue