Description
The Retevis RT73 Dual Band GPS Mini DMR Mobile Amateur Ham APRS Radio is a versatile mobile radio for amateur enthusiasts. Operating on the 2m and 70cm bands, it supports both analog FM and DMR digital modes, with built-in GPS and basic APRS functionality. Compact yet powerful, it provides clear communication, dual time-slot DMR capability, and a variety of calling and messaging features. Perfect for vehicle or base station use.
Features:
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Frequency Range: VHF 144–148 MHz, UHF 430–450 MHz (Ham Bands Only)
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Channels: 4000 total (250 Channels / Zone)
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Power Output: 5–20W
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Modes: Analog FM & Digital DMR, ETSI TS 102 361-1,-2 compliant
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GPS & APRS: Built-in GPS and basic APRS functionality for location and tracking
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Audio: Crystal clear audio with +1~-3dB response, 500mW rated power
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Advanced Functions: Dual DMR time slots, single/group/all calls, TOT, messaging
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Design: Compact mobile unit with handheld microphone, mounting bracket, and hardware included
Specifications:
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Channel Spacing: 12.5/25 kHz
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Standby Current: 160 mA
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Operating Temperature: -20°C ~ +50°C
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Antenna Impedance: 50Ω
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Dimensions: 121.5 x 65.5 x 42.5 mm
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Rated Voltage: DC 13.8V
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Receiver Sensitivity: Analog 0.3μV / 0.25μV, Digital 0.25μV / 0.2μV (5% BER)
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Adjacent Channel Selectivity: 60dB@12.5kHz / 65dB@25kHz
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Conducted/Radiated Emission: -36dBm<1GHz / -30dBm>1GHz
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Receiver Current: 350–460 mA
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Audio Distortion: 3%
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Emission Current: 3A
Box Contents:
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Mini Mobile Radio
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Hand Microphone
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GPS Antenna
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Power Cord
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Bracket & Mounting Hardware
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User Manual
















