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SRL-35 Catalogue

SRL-35 Catalogue

Product catalog summary

Overview: The SRL-35 is a heavy-duty UHF radio designed for robust performance in challenging environments. It offers configurable output power up to 35 Watts and operates within a wide 70 MHz frequency range (403-473 MHz). The device is compatible with various radio products and features an IP67 rating for water and dust resistance.

Specifications: The SRL-35 supports user-selectable channel spacing of 12.5, 20, or 25 kHz, and is equipped with a multi-function LCD interface for easy configuration. It employs Forward Error Correction (FEC) to ensure reliable communication with minimal data loss, achieving communication distances up to 80 km under optimal conditions. The radio can also function as a repeater to extend range.

Technical Details: The transceiver operates in half-duplex mode with a frequency error tolerance of less than 1 kHz. The transmitter offers carrier power options of 10, 20, 25, or 35W, with a duty cycle that varies based on power output and temperature. The receiver sensitivity is less than -114 dBm, with strong co-channel rejection and adjacent channel selectivity.

Data Modem and Interface: The SRL-35 includes an RS-232 interface with data speeds ranging from 300 to 38400 bps. It supports Satel, PDL, and TrimTalk radio protocols, although compatibility with TrimTalk may have restrictions.

Power and Physical Characteristics: The radio consumes 1.8W on average when receiving and up to 120W when transmitting at full power. It operates on a voltage range of +9 to +16 VDC and is housed in an aluminum enclosure measuring 189 x 138 x 71mm, weighing 1.42 kg.

Environmental Specifications: The SRL-35 is designed to operate in temperatures ranging from -25°C to +55°C and can be stored between -40°C and +85°C. It maintains an IP67 rating for waterproof and dustproof protection.

Additional Information: The SRL-35 is available with a limited output power version for regions with regulatory restrictions. The device automatically reduces power to prevent overheating, ensuring reliable operation in various conditions.

Catalog excerpts

• Configurable output power of up to 35 Watts • Wide and tunable 70 MHz (403-473 MHz) operating range • User-selectable channel spacing (12.5, 20 or 25 kHz) • Compatible with existing Topcon and 3rd party radio products such as Satel, Trimble, and Pacific Crest rover radios • IP67 rating to withstand harsh environments • Automatic prevention of overheating • Multi-function LCD user interface

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SRL-35 Heavy-Duty UHF Radio Heavy-duty and Reliable The SRL-35 is an all-weather UHF base radio with configurable high power output (up to 35 W1) and a full 70 MHz tuning range. Designed for easy operation in demanding field conditions, the reinforced casing and connectors are fully waterproof and secure against dust (IP67). In addition to flexible output power and a wide tuning range, the SRL-35’s channel spacing can set to 12.5, 20 or 25 kHz with complementary protocol support to satisfy high-efficiency narrowbanding2 requirements. The unit’s weather-proof LCD display clearly indicates the...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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