ST25 High-speed and high-power wireless communication radio is a high-speed and high-power wireless communication radio equipment independently developed and produced by Suntor. It has high performance, high stability and high reliability, and is suitable for all kinds of harsh working environment.
Product Introduction:
ST25 High-speed and high-power wireless communication radio is a high-speed and high-power wireless communication radio equipment independently developed and produced by Suntor. It has high performance, high stability and high reliability, and is suitable for all kinds of harsh working environment.
Product Features:
High performance, high stability, high reliability, suitable for all kinds of harsh working environment;
The maximum transmission power of 25W and 8W two configurations, five levels of power, can be set by software, easy to operate;
Using the reference source of temperature supplement frequency, to ensure high stability transceiver frequency;
Precision die-cast aluminum case, compact structure, compact size;
Anti-interference, anti-surge ability, anti-impact, anti-vibration;
Using digital frequency synthesis technology, double phase-locked loop and double VCO, launch start time is less than 5ms, much better than the national standard 100ms requirements;
The whole machine adopts large scale integrated circuit, integrated design, effective communication distance;
Through the computer flexible and convenient to set the frequency, power, channel rate, interface rate/check mode, transmission time limit and other parameters, also can choose handheld setting accessories, instead of the computer field modify the working channel and transmission power;
Provide EIA-232, EIA-485, TTL and other data interfaces for users to connect to various external devices;
Can provide data interface, direct data transmission, also can be external modem, flexible and convenient to build the system;
High efficiency digital modulation, channel rate up to 19200bps;
Working indicator light, transceiver indicator light and data indicator light make the working state at a glance;
Digital compatible, convenient voice communication; Optional handheld phone accessories, direct talkback, convenient engineering construction;
Voice output mode can be set to automatic identification data and voice, full monitoring and silent mode;
Low power consumption configuration, sleep current as low as 3mA;
Operating temperature range -40 ~ +70℃.
System parameter | ||
Frequency range | 223~235MHz | |
Total number of channels | 16 (default), 60 (optional) | |
Working mode | Half duplex | |
Channel interval | 25KHz | |
Frequency stability | ±2ppm | |
Antenna impedance | 50Ω | |
Antenna interface | TNC female head | |
Data modulation mode | GMSK or 4-FSK | |
Supply voltage | Dc 12V or 13.8V The value ranges from 11 to 15V. The default value is 12V | |
Power consumption | Typical value of 25W model at full power transmission is 5.0A Typical value of 8W model at full power transmission is 1.7A Conventional data type standby ≤90mA, receive ≤120mA Channel type standby current is about 60mA | |
volume | Length x width x height = 145mm x 109mm x 41mm | |
Channel transmission rate | 0 -- 1200bps (FSK type) 2400/1200bps (MSK basic type) 4800/2400bps (MSK enhanced) | |
Data interface | EIA-232,EIA-485,TTL | |
Data interface pattern | Asynchronous data transfer | |
Interface data structure | 1 bit start bit +8 bit data +1 bit stop bit or 1 bit start bit +8 bit data +1 bit check bit +1 bit stop bit, where the check bit can be selected by the computer Settings strange check or even check | |
Data interface rate | 9600/19200bps optional | |
Emission index | Transmitted power | 25W (ST-25TWG2-A), can be set to 25W, 20W, 15W, 10W, 5W by software 8W (ST-25TWG8-A), software can be set to 8W, 6W, 4W, 2W, 1W |
Maximum frequency offset | 5KHz | |
Adjacent channel power | ≤-70dB | |
Stray radio frequency component | ≤-70dB | |
Modulation distortion | ≤2.5% | |
Launch start time | <5ms | |
Reception index | Receiving sensitivity | ≤0.18μV (12dB SNR) |
Adjacent track selectivity | ≥70dB | |
Intermodulation suppression | ≥65dB | |
Spurious response suppression | ≥70dB | |
Reception distortion | ≤3% (audio output 200mW) | |
Maximum audio output | 0.5W (8Ω,10% distortion) |