ETMY ET-328 walkie talkie
ETMY ET-328 long range 2 way walkie talkies,waterproof walkie talkie,outdoor walkie talkie
Main features
10-Watt Powerful Output
A full 10-watt output drives the high-gain antenna, enabling effective signal transmission over line-of-sight distances of 8-10 kilometers, and even 2-4 kilometers in reinforced concrete mazes. Transmit power and frequency stability remain consistently high.
IP68 Protection Rating
IP68 protection allows for continuous operation underwater at a depth of 1.5 meters. Laboratory testing: Immersion in 1 meter of water for 6 hours showed no water penetration.
Optional T4 Intrinsically Safe Explosion-Proof
The optional T4 temperature-rated explosion-proof version maintains surface temperatures below 135°C and is ATEX II 2G Ex ib IIC T4 certified. Suitable for use in Zone 1 hydrogen-rich refineries or underground coal seams.
10-Minute Instant Playback
The ET-328 loops and saves the last 600 seconds of recording. You can replay the audio by pressing the programmable button.
Ergonomic outdoor walkie-talkie


- One click alarm
- VOX voice control
- Scanning function
- Detection
- Working alone
- Keyboard/Channel Lock
- Battery reminder
- Direction
- Record for 10 minutes
- Exib IC T4 Explosion proof(optional)
![]() Charger | ![]() Antenna(Long/short) | ![]() Back clip |
![]() Li-ion battery (2500 mAh) | ![]() landyard | ![]() Power adapter |
Specifications
| General | |
| Frequency | VHF:136-174MHz / UHF:400-480MHz / 450-520MHz |
| Channel Capacity | 16 |
| Frequency Stability | ±2.5ppm |
| Operating Voltage | DC 7.4V |
| Operating Temperature | -20℃~60℃ |
| Dimension | 125* 58* 43mm |
| Weight | 285g |
| Battery Capacity | 2500mAh |
| Transmitter | |
| Output power | 10W |
| Modulation | 16KθF3E / 8KθF3E |
| Maximum Frequency offset | 2.5KHz |
| Adjacent Channel Power | ≤-65 dB / ≤-60 dB |
| Signal-noise Ratio(SNR) | ≤-40 dB / ≤-35 dB |
| CTCSS | 0.7 ±0.1KHz / 0.4 ±0.1KHz |
| Modulation Sensitivity | 8-12mV |
| Transmitting Current | ±1.4A |
| Receiver | |
| Receive Sensitivity | -122 dBm |
| Audio Power | 1W@16Ω |
| Audio distortion | <5% |
| Signal Imitation | ≥65 dB |
| Intermediation | ≥60dB |
| Adjacent Channel Selectivity | ≥60dB |
FAQ
Q1: Can your radios be customized with my brand?
A: Of course. Generally, logos, outer packaging, patterns, etc. can be customized. The minimum order quantity is usually 200 pieces.
Q2: Can you offer the sample for me to test the quality first?
A: Yes,we can offer the sample, but sample cost and shipping cost need to pay by yourself, the fee will return to you when place order quality.
Q3: Do you have radio agent certificate?
A: Yes,we are, Icom, Hytera, Baofeng,Vertex these radio authorized agent,all of these certificates we have and can offer to you.
Q4: What is your radios warranty?
A: Radio body:1 year, accessories:6 months
Q5: What is your lead time for the radio?
A: 2-3 days for order prepare after we get payment. Add 5-6 days for Express transportation.
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