Easy to Use
TM 840 with compact size is flexible to install in the vehiclewhen space is limited.FM540 provides a large 42x20mm dotmatrix and 4-line display, which allows the drivers to seeimportant information at a glance even under sunlight;3 programmable buttons can be programmed with manyfunctions, providing one touch operation including power levelswitch, emergency, scan, and so on.
Reliable Design
It is designed compliant with MIL-810C/D/E/F, ensuringoutstanding performance even under harsh environments.
Higher Spectrum Efficiency
Benefiting from 6.25K FDMA technology, creates twooffset 6.25 kHz channels in a 12.5 kHz spacing, increasingspectrum efficiency and reducing cost on adding frequenciesto support applications.
Superior Audio Quality
By application of FEC technology, TM840 effectively rejectsnoise, providing superior voice clarity in noisy environments orat the edge of the coverage area.
Secured Communication
Information privacy is important to your business.Communication is easily eavesdropped by unwanted listenersoutside the working team when you are using the analog radio.Kirisun T840 series with 32-bits encryption technology canprovide more than 4 billion customizable codes, which meansthere is scarce chance that other users can monitor yourcommunication.
Easy Migration
The radio can provide analog mode, digital mode and mixedmode in channel configuration. Additionally, it supportsand DTMF encode and decode in analog mode, thus it meansyou can flexibly choose to migrate at your own pace.
Versatile Voice Call & Data Services
Using digital signaling, TM840 provides various voicetypes, including private call, group call, all call and emergencycall as well as remote control call and data service.
מפרט טכני
|
General | |
| Frequency Range | 136-174MHz, 450-520MHz |
| Channel Capacity | 256 |
| Channel Spacing | 12.5KHz(Analog), 6.25KHz(Digital) |
| Normal Operating Voltage | 13.8V |
| Operating Temperature | -25℃~ +55℃ |
| Storage Temperature | -40℃~+85℃ |
| ESD | IEC 61000- 4- 2 |
| Dimension | 150mmx131mmx43mm |
| Weight | 1310g |
|
Transmitter | |
| Power Output | 40w/25W |
| Frequency Stability | ±2.5 ppm |
| Frequency Modulation | 11KφF3E (Analog), 4FSK(Digital) |
| Antenna Impedance | 50Ω |
| Modulation Limiting | ±2.5kHz @12.5KHz |
| Radiated Spurious Emission | -36dBm@< 1GHz, -30dBm@> 1GHz |
| Adjacent Channel Power | 60dB@12.5KHz, 50dB@6.25KHz |
| FM Noise | 40dB@12.5KHz |
| Modulation Distortion | < 3% |
| Audio Response | +1dB, -3dB |
|
Receiver | |
| Frequency Stability | ±2.5 ppm |
| Reference Sensitivity | 0.25μV@12.5KHz, 0.22μV@6.25KHz |
| Adjacent Channel Selectivity |
-60dB@12.5KHz, -50dB@6.25KHz |
| Intermodulation | 65dB |
| Spurious Response Rejection | 70dB |
| Rated Audio Output | 4W@16Ω |
| Hum and Noise | 40dB@12.5KHz |
| Rated Audio Distortion | ≤5% |
| Blocking | 84dB |
| Conducted Spurious Emission | -57dBm<1GHz, -47dBm@>1GHz |
| Audio Response | +1dB, -3dB |
