Caltta PM790 Professional Digital Trunking Mobile Radio

Caltta PM790 Professional Digital Trunking Mobile Radio, IP54, Digital Voice, Vehicle-mounted Radio.

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Function Overview

• Supports PDT digital trunking system

• Voice Encryption

• Digital/Analog Trunking Compatible, Preserve User Investment

• Loud and clear audio

• Human-Computer Interaction Design

• Rich service functions

• Highly expandable external interfaces

• Complete secondary development interfaces

• High reliability

Detailed Specifications

General Specifications
Frequency Range	UHF1: 400–470MHzUHF3: 350–400MHzVHF: 136–174MHz
Channel Capacity	1024
Zone Capacity	64 (max. 32 groups per zone)
Channel Spacing	12.5kHz / 20kHz / 25kHz
Frequency Stability	±0.5ppm
Operating Modes	Supports analog trunking, analog conventional, digital trunking, and digital conventional modes; terminal does not reboot during mode switching
Dimensions	49 × 178 × 156 mm
Weight	Approx. 1.3 kg
Display	2.0-inch color screen, 220×176 resolution, 4-line text display
Digital Vocoder Type	NVOC / AMBE++
Bluetooth	BT2.1+EDR/4.0 (Bluetooth only supported on PM790)
Positioning	Beidou/GPS (Positioning only supported on PM790)

Environmental Specifications	Details
Operating Temperature	-30°C ~ +60°C
Storage Temperature	-40°C ~ +85°C
ESD (Electrostatic Discharge Protection Level)	IEC 61000-4-2 (Level 4) ±8 kV (Contact Discharge) / ±15 kV (Air Discharge)
Ingress Protection (Water & Dust)	IP54
Reliability	Compliant with GJB 150-2009 and MIL-STD-810 C / D / E / F / G standards

GPS Positioning	Details
Accuracy Specification (Long-term Tracking)	95% of values under rated signal strength of > -130 dBm with 5 satellites visible
TTFF (Time To First Fix) - Cold Start	< 60 seconds
TTFF (Time To First Fix) - Hot Start	< 10 seconds
Positioning Accuracy	< 10 meters