Motorola GP3188 Portable Two-Way Radio | High-Power VHF/UHF & 19hr Battery Life
The Motorola GP3188 is a reliable professional two-way radio designed for clear communication in demanding environments. Built with Motorola’s legendary durability, it is ideal for security, construction, hotels, factories, and event coordination.
Main features
Programmable keys
Channel select, volume, monitor and VOX are all controlled by a single oversized knob/push combo. Field crews wearing gloves can reset the radio in the dark, cutting support calls to your help-desk.
Channel select, volume, monitor and VOX are all controlled by a single oversized knob/push combo. Field crews wearing gloves can reset the radio in the dark, cutting support calls to your help-desk.
Shift-Long Endurance
2250 mAh lithium pack yields 19 h @ 1 W (low-power VHF) or 14 h @ 4 W (high-power UHF). Battery latch lock prevents drop-outs when the belt clip snags on scaffolding—ideal for double-shift factories listed under commercial motorola radios contracts.
2250 mAh lithium pack yields 19 h @ 1 W (low-power VHF) or 14 h @ 4 W (high-power UHF). Battery latch lock prevents drop-outs when the belt clip snags on scaffolding—ideal for double-shift factories listed under commercial motorola radios contracts.
Voice Clarity
500 mW audio stage, 45 mm front-porting speaker and tight 0.25 µV sensitivity deliver 94 dB SPL at 30 cm—clear enough for concierges on a busy hotel forecourt and loud enough for a 90 dB packaging line, keeping the motorola walkie talkie professional reputation intact.
500 mW audio stage, 45 mm front-porting speaker and tight 0.25 µV sensitivity deliver 94 dB SPL at 30 cm—clear enough for concierges on a busy hotel forecourt and loud enough for a 90 dB packaging line, keeping the motorola walkie talkie professional reputation intact.
Accessory Ecosystem
Every GP3188 ships with the universal two-pin audio socket. From MagOne lightweight headsets to heavy-duty noise-cancel PTTs, you can bundle 30% margin accessories while protecting the customer’s long-term investment—exactly what procurement wants when shopping for motorola 2 way radios for sale.
Every GP3188 ships with the universal two-pin audio socket. From MagOne lightweight headsets to heavy-duty noise-cancel PTTs, you can bundle 30% margin accessories while protecting the customer’s long-term investment—exactly what procurement wants when shopping for motorola 2 way radios for sale.
Other functions
- TX Power (High/Low)
- Channel Frequency
- CTCSS/DCS Encode & Decode
- Squelch Level (Tight/Normal)
- VOX On/Off & VOX Gain
- Scan On/Off & Scan List
- TOT (Time-Out Timer)
- Battery Save On/Off
- Call Tone On/Off
- Monitor (Persistent) On/Off
Accessories
- Antenna(VHF/UHF)
- Battery(1400mAh/2250mAh)
- Charger
- Power adapter
- Dust cover
- Back Clip
- Manual
Specifications
| General | VHF | UHF | ||
|---|---|---|---|---|
| Frequency | 136-162 MHz, 146-174 MHz | 403-440 MHz, 438-470 MHz, 465-495 MHz | ||
| Channel Capacity | 16 Channels | |||
| Power Supply | 7.5 V ±20 % | |||
| Dimensions (without belt clip and antenna) • With NiCd / extended Li-Ion • With standard NiMH • With slim Li-Ion |
126.5 × 61.5 × 45 mm 126.5 × 61.5 × 43 mm 126.5 × 61.5 × 42 mm |
|||
| Weight (without belt clip and antenna) • Extended Li-Ion • Slim Li-Ion • Standard NiMH • NiCd |
351 g 350 g 417 g 406 g |
|||
| Average Battery Life @ 5-5-90 duty cycle • Extended Li-Ion • Slim Li-Ion • Standard NiMH • NiCd |
Hi 5 W / Lo 1 W 14 h / 19 h 12 h / 17 h 10 h / 13 h 8 h / 10 h |
Hi 4 W / Lo 1 W 14 h / 19 h 12 h / 17 h 10 h / 13 h 8 h / 10 h |
||
| Receiver | ||||
| VHF 12.5 kHz | VHF 20/25 kHz | UHF 12.5 kHz | UHF 20/25 kHz | |
| Frequency | 136-162 MHz, 146-174 MHz | 403-440 MHz, 438-470 MHz, 465-495 MHz | ||
| Sensitivity 12 dB EIA SINAD | 0.25 µV | |||
| Adjacent Channel Selectivity | -65 dB | -70 dB | -60 dB | -70 dB |
| Intermodulation | -70 dB | |||
| Frequency Stability (-30 °C to +60 °C) | 0.00025 % | |||
| Spurious Rejection | -75 dB | |||
| Hum and Noise | -45 dB @ 12.5 kHz, -50 dB @ 25 kHz | |||
| Image and 1/2 I-F Rejection | -70 dB | |||
| Audio Output @ <5 % distortion | 500 mW | |||
| Transmitter | ||||
| VHF 12.5 kHz | VHF 20/25 kHz | UHF 12.5 kHz | UHF 20/25 kHz | |
| Frequency | 136-162 MHz, 146-174 MHz | 403-440 MHz, 438-470 MHz, 465-495 MHz | ||
| Channel spacing | 12.5 / 20 / 25 kHz | |||
| Frequency Stability (-30 °C to +60 °C) | 0.00025 % | |||
| Spurs / Harmonics | -36 dBm < 1 GHz -30 dBm > 1 GHz |
|||
| Audio Response (300-3000 Hz, 6 dB/octave pre-emphasis) | +1 to -3 dB | |||
| Audio Distortion @ 1000 Hz, 60 % rated max. dev. | <3 % | |||
| FM Noise | -40 dB (12.5 kHz), -45 dB (25 kHz) | |||
| FCC Modulation 20/25 kHz | 16K0F3E & 11K0F3E | |||




