This multifunctional two-way radio combines long-distance communication capabilities with positioning and outdoor-oriented functions in a portable handheld design. For outdoor users, the built-in GPS and APRS functions can provide positioning and location-sharing capabilities. The radio also integrates NOAA weather reception, aviation-band reception, mechanical compass, and man-down/fall alarm functions.
Handheld & Portable Two-way Radio
- Convenient to Carry. Its compact handheld design makes it easy to carry in a tool bag, backpack, or by hand for mobile work environments.
- Greater Mobility at Work. This two-way radio does not need to stay on a desk or fixed surface, allowing users to stay connected while moving around.
- Easy One-Handed Operation. Clearly arranged controls allow users to communicate, adjust the volume, and perform common operations while holding the radio in one hand.
Two-way Radio With Multiple Functions
- GPS Positioning System. For outdoor work, exploration, search and rescue, and team activities, location positioning can improve coordination and communication between team members.
- Mechanical Compass. It features a mechanical compass that can provide basic directional guidance even when electronic devices have limited battery power.
- Man-Down Alarm Function. When the user falls outdoors, the fall alert function can help trigger an emergency alert, allowing teammates to notice that assistance may be needed. It adds an extra layer of safety for hiking, climbing, trekking, fieldwork, and other outdoor activities.
Applications
SISCO multifunctional two-way radio is suitable for various scenarios that require fast and reliable team communication. It can be used on construction sites for on-site coordination, in warehouses for staff dispatch and cargo management, during firefighting operations for field communication, and for mountaineering to keep team members connected. Its portable design makes it suitable for both outdoor and industrial environments.
Construction Site
Mountaineering
Warehouse
Firefighting
| Model | SISCO-TWR-RD-55PRO |
| Channel Capacity | 640 channels/ 10 zones |
| Channel Spacing | 25.0 KHz (wideband) / 12.5 KHz (narrowband) |
| Input Voltage | DC 7.4V |
| Battery Capacity | 2200mAh rechargeable lithium-ion battery |
| Protection Level | IP67 |
| Operating Temperature | -10 ℃ to 60 ℃ |
| Antenna Impedance | 50Ω |
| Radio Dimensions (W*H*D) | 61*135*38mm (not including antenna) |
| Radio Weight | About 260g (net weight); 1.1kg (gross weight) |
Structure:
Q1: Can this two-way radio be used indoors?
A1: Yes, this two-way radio can be used indoors for reliable short-range communication. It is suitable for environments such as warehouses, factories, hotels, offices, construction sites, shopping centers, and event venues.
Q2: How long does the battery last?
A2: This multifunctional two-way radio typically provides about 1–3 days of battery life on a full charge, depending on how it is used. Battery performance can vary with factors such as transmission frequency, frequency of use, signal strength, standby time, and operating environment. For normal daily communication with moderate use, the battery can generally support extended use without frequent charging.
Q3: Can it be used in cold or hot weather?
A3: Yes. This portable radio is designed to operate in a wide temperature range of -10 °C to 60 °C (14 °F to 140 °F). This allows it to perform reliably in both cold and hot working environments. However, for the best performance and battery life, avoid exposing the radio to temperatures outside its specified operating range for extended periods. Proper storage and charging conditions are also recommended to maintain stable communication performance. Always check your local laws or communications authority (e.g., FCC in the U.S., OFCOM in the U.K.) before using a two-way radio, especially for business or long-range use.
Tips: What Should I Consider When Choosing a Two-way Radio?
When choosing a two-way radio, consider communication range, battery life, audio quality, durability, and ease of use. The required range depends on your environment, such as buildings, warehouses, construction sites, or outdoor areas. A long-lasting battery is important for extended work shifts, while clear audio helps ensure reliable communication in noisy environments. Also check whether the radio is water-resistant, dust-resistant, or shock-resistant if it will be used outdoors or in demanding workplaces. Other factors include channel capacity, charging options, size, weight, and accessories. Finally, choose a model that matches your team size, working environment, and communication needs.
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
What is covered?
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.
What is not covered?
- Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
- Expendable parts.
- Routine cleaning or normal cosmetic and mechanical wear.
- Damage from misuse, abuse or neglect.
- Damage from use of parts other than SISCO approved.
- Damage from use outside the product’s usage or storage parameters.
- Damage from use of parts not sold by SISCO.
- Damage from modification or incorporation into other products.
- Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
- Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
Shop on sisco.com for all of your industrial test and measurement equipment & accessories including portable detectors, meters, testers, scales, etc.
