Motorola Analogue Mobile 25W Radio GM338 Base Station
Specifications:
| General Specifications | |
| Frequency Range | VHF:136MHz-174MHz UHF:403MHz-470MHz |
| Memory Channel | 128 Channels |
| Channel Spacing | 12.5/20/25 kHz |
| Power Output | 1 – 25W; 25 – 45W |
| Power Supply | 13.2Vdc (10.8 – 15.6 Vdc) Negative Vehicle ground |
| Dimensions (L×W×H) | 186mm x 179mm x 59mm |
| Weight | 1400gms (3.15 lbs) |
| Communication Range | about 10-20km |
| Sealing | Passes rain testing to IP54 |
| Dust | Meets MIL-STD 810-C,D&E and TIA/EIA 603 |
| Transmitter Specifications | |
| Modulation Limiting | ± 2.5kHz @12.5kHz; ± 4.0kHz @20kHz; ± 5.0kHz @25kHz |
| FM Hum & Noise | – 40dB @ 12.5kHz; – 45dB @ 20/25kHz |
| Conducted/Radiated Emissions | – 36dBm < 1 GHz; – 30dBm < 1 GHz |
| Adjacent Channel Power | – 60dBm @ 12.5kHz ; – 70dBm @ 20/25kHz |
| Receiver Specifications | |
| Intermodulation (EIA) | 78dB (VHF); 75Db(UHF) |
| Adjacent Channel Selectivity | – 40dB @ 12.5kHz; – 45dB @ 20/25kHz |
| Audio Response (300 to 3000Hz) | + 1, 3dB |
Enhanced signalling Features for GM338
I) MDC1200 Signalling Protocol
• PTT ID Enables caller ID transmission and allows users to identify incoming callers.
• Selective Radio Inhibit Should the radios be stolen or go missing, the selective radio inhibit feature enables remote deactivation of the radios, providing greater security.
• Call Alert The radio emits an alert tone to notify individual users that someone is trying to reach them.
• Voice Selective Call The radio receives and sends dedicated individual voice messages for privacy or group voice messages for improved productivity.
• Radio Check This feature monitors if the radio is working or operating within range.
• Emergency Signalling Sends help signals for added security.
II) Quick Call II Signalling Protocol
• Call Alert Voiceless paging with continuous alert tones that alert users on incoming calls.
• Selective Call Paging alerts followed by a voice message.
Why Choose GM338 Base Station?
Motorola’s special voice compression and low-level expansion technology ensure crisper, clearer and stronger audio quality, allowing you to communicate even in a noisy working environment. Up to 16 pre-defined text messages can be assigned to enable users to send frequently used messages and statuses quickly, without the need to talk.
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