🏷️ Basic Information Identification Make: Kenwood Model: TH28A/E Product Type: Transceiver Product Category: Radio Communication Equipment 📋 Manual Details Document Info Manual Type: Workshop Service / Repair Manual Manual Title: KENWOOD TH28A/E TRANSCEIVER Repair Manual PDF Download Format: PDF Language: English Compatibility Operating Systems: Windows, Mac ⚙️ Engine Specifications Frequency Range Transmit Frequency: 144-148 MHz (USA version), 144-146 MHz (European version) Receive Frequency: 130-174 MHz Power Output Transmit Power: High: 7W, Low: 0.5W (typical) Modulation Modulation Type: FM 🔧 Transmission Features Duplex Operation: Yes (adjustable offset) Tone Squelch: CTCSS (optional), DCS (optional) 📐 Dimensions Physical Width: 58 mm Height: 154 mm Depth: 37 mm Weight: Approx. 350g (with battery) 🔧 Maintenance Power Source Battery Type: NiCd, NiMH rechargeable battery pack Charging Charging Method: External charger, desk charger Component Replacement Antenna Connector: SMA male Diagnostics Troubleshooting Sections: Yes Repair Procedures Schematics: Included Parts List: Included