Two Way Radio
Motorola GM338 UHF 450-520MHz
Model Seri: MOTOROLA-GM338-UHF-450-520MHZ
Kategori: Two Way Radio
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OVERVIEW & SPESIFIKASI
Motorola GM338 UHF 450-520MHz
Features
Efficient
- 14 Characters 1-line Alphanumeric Display makes it easy to read both text and icon display.
- 128-channel operating capacity allows individually programmed channels for enhanced communication efficiency.
- Voice compression and low level expansion technology ensures crisp, clear and strong audio quality.
- 4 customisable buttons allow one-touch easy access.
- Two choices of signalling protocol: MDC1200 and Quick Call II.
- Programmable channel spacing of 12.5/ 20/ 25 kHz offers versatility and easy migration of operating frequency band.
- Remote mount control head can be mounted on the dashboard without the radio chassis, ideal for situations of space constraint.
- Optional voice storage board allows recording and playback of messages for up to 120 seconds.
- Up to 16 pre-assigned text messages can be pre-programmed, allowing sending of frequently used messages quickly.
| GM338 & GM398 Specifications* | |||
| GENERAL SPECIFICATION | Low Band (GM338 only) | VHF | UHF |
| *Frequency Range | 29.7-36MHz 36-42MHz 42-50MHz | 136-174MHz | 403-470MHz 450-527MHz (1-25W) 450-520MHz (25-40W) |
| Frequency Stability (-30 C to 60 C,25c Ref,) | 5ppm | ± 2.5pm | ± 2ppm |
| Channel Capacity | GM338: 128 Channels GM398: 160 Channels | ||
| Power Output | 40 - 60 W | 1 - 25W 25 - 45W (GM338 only) | 1 - 25W 25 - 40W (GM338 only) |
| Power Supply | 13.2Vdc (10.8 - 15.6 Vdc) Negative Vehicle ground | ||
| Channel Spacing | 12.5/20/30kHz 12.5/20/25 kHz | ||
| Dimensions (L x W x H) GM338: (add 9mm for volume knob) | 255mm x 185mm x 72mm 186mm x 179mm x 59mm | ||
| GM398: (add 7mm for volume knob) | 188mm x 185mm x 72mm | ||
| Weight | 2040gms (4.5lbs) 1400gms (3.15 lbs) | ||
| Operating Temperature | -30°C to +60°C | ||
| Sealing | Passes rain testing to IP54 | ||
| Shock and Vibration | Meets MIL-STD 810-c,D&E and TIA/EIA 603 | ||
| Dust | Meets MIL-STD 810-C,D&E and TIA/EIA 603 | ||
| Humidity | Meets MIL-STD 810-C,D&E and TIA/EIA 603 | ||
| Transmitter | Low Band (GM338 only) VHF | UHF | |
| Modulation Limiting | ± 12.5 @ 12.5kHz ± 2.5kHz @12.5kHz ± 5.0 @ 20/30kHz ± 4.0kHz @20kHz ± 5.0kHz @25kHz | ||
| FM Hum & Noise | - 40dB @ 12.5kHz - 40dB @ 12.5kHz - 45dB @ 20/30kHz - 45dB @ 20/25kHz | ||
| Conducted/Radiated Emissions | - 26dB < 1 GHz - 36dBm < 1 GHz - 30dBm < 1 GHz | ||
| Adjacent Channel Power | - 60dB < 12.5kHz - 60dBm @ 12.5kHz - 70dB < 20/30kHz - 70dBm @ 20/25kHz | ||
| Audio Response (300 to 3000Hz) Audio Distortion @ 1000Hz, 1000Hz, 60% Rated Max. Deviation | + 1, - 3dB 3% | ||
| Receiver | Low Band (GM338 only) VHF | UHF | |
| Sensitivity (12dBSINAD | 0.25uV Typical 0.22uV | ||
| Intermodulation (EIA) | 78dB Typical 78dB @ 25kHz 78dB @ 20kHz 75dB @ 12.5kHz | 75dB @ 25kHz 75dB @ 20kHz 75dB @ 12.5kHz | |
| Adjacent Channel Selectivity | 65dB @ 12.5kHz 80dB @ 25kHz 80dB @ 20/30kHz 70dB @ 20kHz 65dB @ 12.5kHz | 75dB @ 25kHz 70dB @ 20kHz 65dB @ 12.5kHz | |
| Spirious Rejection | 70dB @ 12.5kHz 80dB @ 20/25kHz 80dB @ 20/30kHz 75dB @ 12.5kHz | 75dB @ 20/25kHz 70dB @ 12.5kHz | |
| Rated Audio | 3W Internal 7.5W & 13W External | ||
| Audio Distortion @ rated audio | 3% Typical | ||
| Hum & Noise | - 40dB @ 12.5kHz - 40dB @ 12.5kHz - 45dB @ 20/30kHz - 45dB @ 20/25kHz | ||
| Audio Response (300 to 3000Hz) | + 1, 3dB | ||
| Conducted Spurious Emission | - 57dBm > 1 GHz | ||
| per FCC part 15 | - 47dBm > 1 GHz | ||
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Motorola GM338 UHF 450-520MHz