The new DR-638 dual-band transceiver from Alinco makes a sharp attractive addition to any operating environment. Starting with full duplex capability, cross-band repeat and a remotely mountable control head, the DR-638 is a solid performer for base or mobile operation.
With a highly visible large, 6 character alphanumeric display features variable display colors for custom illumination. Ignition key on/off feature, theft alarm, extended receive capabilities, a variety of signaling and scan modes are also included at no extra cost! The backlit, DTMF microphone EMS-77 allows remote control of the transceiver.
Put the DR-638 with its good looks and smart operating features to work right away in your base station or vehicle as a reliable and easy-to-use, high-quality VHF/UHF transceiver that is perfect for simplex and repeater
Frequency range: TX/RX: 144-146 MHz / 430-440 MHz
Features
- Display: Yes with backlight
- DTMF: Yes, encode and decode
- 2-tone/5-tone: Yes
- High/low power selection: Yes
- Voice compander: Yes, reduce noise and enhance audio clarity
- Carrier: Yes
- DCS: Yes, encode and decode
- CTCSS: Yes, encode and decode
- Program: Yes, by computer
Electrical data
- Frequency step: 2.5 kHz / 5 kHz / 6.25 kHz / 8.33 kHz / 10 kHz / 12.5 kHz / 15 kHz / 20 kHz / 25 kHz / 30 kHz / 50 kHz /
- Channels: 758
- Wide and narrow bandwidth selection: Yes
- Operating temperature: -20℃ to +60℃
- Channel spacing: Wide: 25 kHz / Middle: 20 kHz / Narrow: 12.5 kHz
Transmitter
- Power output (Watts): VHF: 5 / 10 / 25 / 50 Watts / UHF: 5 / 10 / 25 / 40 Watts
- Modulation limit: 16K0F3E / 11K0F3E
- Spurious Emission: Wide: ≥60 dB / Narrow: ≥60 dB
- Audio distortion: ≤5%
- Frequency stability: ±2.5 PPM
- Hum & Noise: Wide: ≥40 dB / Narrow: ≥36 dB
- Audio response: Wide: 300-3000 Hz +1 to -3 dB / Narrow: 300-2550 Hz +1 to -3 dB
- Adjacent channel power: Wide: ≥70 dB / Narrow: ≥60 dBLess
Receiver
- Sensitivity: Wide: ≤0.25 μV / Narrow: ≤0.35 μV
- Spurious rejection: Wide: ≥70 dB / Narrow: ≥70 dB
- Hum & noise: Wide: ≥45 dB / Narrow: ≥40 dB
- Audio distortion: ≤5%
- Audio power output: 2 Watts @10%
- Audio response: Wide: 300-3000 Hz +1 to -3 dB / Narrow: 300-2550 Hz +1 to -3 dB
- Adjacent channel selection: Wide: ≥70 dB / Narrow: ≥60 dB
- Inter modulation: Wide: ≥65 dB / Narrow: ≥60 dB
Mechanical data
- Length: 139 mm
- Height: 40 mm
- Width: 212 mm
- Weight: 1200 gram
- Antenna connector: UHF (PL) female (SO-239)
- Mike connector: 8 pin connector
Inside the box
- Transceiver: Yes
- Microphone: Yes
- Mounting bracket: Yes
- Mounting parts: Yes
- DC power cable: Yes
- Installation manual: English
