ETMY ET-538 — Professional Waterproof Walkie-Talkie

Soaked in water and still going strong. The ET-538 is built for professionals who demand reliability in the harshest environments — from ocean waves to construction sites to operations.

🔑 Key Features

• IP68 Waterproof Protection — Fully submersible; trusted for surfing, diving, and boating
• High/Low Power Select — VHF: 8W / UHF: 12W output power
• Low Battery Warning — Never get caught off guard in the field
• Channel Monitor — Stay aware of all active channels
• Scramble Function — Secure, encrypted communications
• Battery Saving Mode — Extended operational life
• Time-out Timer (TOT) — Prevents accidental prolonged transmission
• Busy Channel Lock (BCL) — Avoids interference on active channels

📋 Specifications

General

• Frequency Range: VHF 136–174 MHz / UHF 300–400 MHz / 400–520 MHz
• Channel Number: VHF 199 / UHF 128
• Channel Spacing: 12.5 / 25 kHz
• Operating Temperature: -20°C ~ +60°C
• Operating Voltage: DC 7.5V ±10%
• Frequency Stability: ±2.5 ppm
• Antenna Impedance: 50Ω
• Dimensions: 130 × 60 × 39 mm (excluding antenna)
• Weight: Approx. 300g (including battery and antenna)
• Protection Grade: IP68

Transmission

• Output Power: VHF 8W / UHF 12W
• Audio Distortion: ≤5%
• Modulation: ±3dB
• Adjacent Channel Power: ≥65dB
• Occupied Bandwidth: ≤16 kHz

Reception

• Sensitivity: ≤0.2μV (12dB SINAD)
• Audio Power: 1W @ 10%
• Audio Distortion: ≤5%
• Adjacent Channel Selectivity: ≥55dB
• Intermodulation: ≥55dB
• Spurious Response: >50
• Audio Response: ±3dB
• Blocking: ≥85dB

📦 Standard Accessories

Antenna, Battery, Sling, Charger, Power Adapter, Clip

🌍 Applicable Scenes

Outdoor Adventures · Construction Sites · Security Operations  · Marine