M4EX Intrinsically Safe DMR Portable Radio
M4EX
M4EX Intrinsically Safe version is specially designed for those who work in environments with explosive gas and combustible dusts, providing secure and reliable voice and data communication in the dangerous areas.
Product Orientation Map
Features
Specifications
Accessories
Appearance Introduction
Product Accessories
Charger Pod
Antenna
Belt Clip
Battery
Hand Strap
Charger
General | |
Frequecy |
136~174MHz, 350~400MHz 400~470MHz, 450~520MHz |
Channel Capacity |
32 Channels/ 2 Zones |
Channel Spacing | 12.5kHz / 25kHz |
Operating Voltage | 7.4V |
Battery Capacity | 2200mAh |
Battery Life (5/5/90) |
Analog: 11 hours; Digital: 14 hours |
Vocoder Type | AMBE+2 |
Dimension | 133.5*61.7*40mm |
Weight | Around 3030g |
Ingress Protection (IP) Rating |
IP68 |
Receiver | |
Analog Sensitivity | 0.2μV (12dB SINAD) |
Digital Sensitivity |
0.22μV (Typical) (BER 5%) |
Adjacent Channel Selectivity |
60dB@12.5KHz / 65dB@25KHz |
Intermodulation Rejection |
60dB@12.5KHz / 60dB@25KHz |
Blocking |
84dB@12.5KHz / 84dB@25KHz |
Co-Channel Rejection |
-12dB@12.5KHz / -8dB@25KHz |
Spurious Response Rejection |
65dB@12.5KHz / 65dB@25KHz |
Rated Audio Output Power |
1.0W /16Ω |
Conducted Spurious Emission |
<-57dBm (9KHz~1GHz) <-47dBm (1GHz~12.75GHz) |
Transmitter | |
RF Power |
1W (Low) /≤5W (High) |
Power Margin Variation |
+2/-3dB(under Extreme Conditions) |
Frequency Error | ±1.0ppm |
FSK Error |
<5% |
4FSK Transmission Bit Error Rate (BER) |
≤1×10-4 |
4FSK Modulation Frequency Deviation Error |
≤10.0% |
Occupied Bandwidth (DMR) |
≤8.5KHz |
TX Attack/Release Time |
≤1.5ms |
Adjacent Channel Power |
≤-50dB@12.5KHz/≤-60dB@25KHz |
Transient Adjacent Channel Power |
≤-50dB@12.5KHz/≤-60dB@25KHz |
FM Modulation |
16K0F3E@25KHz/11K0F3E@12.5KHz |
4FSK Digital Modulation |
12.5KHz(data only):7K60FXD 12.5KHz(data+voice):7K60FXE |
Audio Distortion |
≤3% @ 40% Deviation |
Audio Response |
+1 ~ -3dB |
FM Hum and Noise |
40dB@12.5KHz/45dB@25KHz |
Spurious Emission |
≤-36dBm (9KHz~1GHz) ≤-30dBm (1GHz~12.75GHz) |
*The above specifications are tested in accordance with applicable standards. Due to the continuous development of technology, the above index data are subject to change without notice.
Product accessories
Charger Pod
Antenna
Belt Clip
Battery
Hand Strap
Charger
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+86-(0)595-22471179
#5, Chongxiang Street, Econ.&Tech. Area, Quanzhou, Fujian, China.
WeChat:+86-13960400802
E-mail:sales@cnlisheng.com