FEATURES
■ 3 Selectable/Programmable Output Power Levels
■ PC-programmable 200ch
■ Alphanumeric name tags
■ Voice Compander (Reduce Noise & enhance audio clarity)
■ Wide variety of selective calling features are built-in:
2-Tone, 5-Tone, 50 CTCSS, 114 DCS,
4 Tone-burst tones and DTMF/ANI decode
■ Radio stun/kill/revive functions to protect your communications security
■ Large, bright LCD and easy-to-operate backlit keys
■ Multi-function, backlit microphone enables direct frequency entry & more from keypad
■ Various scan modes, Key lock, Wide/Narrow operations and more at NO extra costs!
■ Inversion Scramble (DR-138S/DR-438S only

■General
Frequency Range (MHz) DR-138 : TX/RX 136.000-173.9975
Number of Channels 200 channels
Channel Spacing 25KHz (Wide mode) 20K Hz (Middle mode) 12.5KHz (Narrow mode)
Channel step 2.5KHz,5 KHz, 6.25K Hz,8.33K Hz,10K Hz, 12.5KHz, 15K Hz, 20KHz, 25KHz, 30KHz, 50KHz
Operating Voltage13.8V DC ±15%
Squelch Carrier/CTCSS/DCS/5Tone/2Tone/DTMF
Frequency Stability ±2.5ppm
Operating Temperature -20°C~+60°C
Dimensions145 (W) x 47 (H) x 190 (L)mm approx.
Weight approx. 1.2kg
■Receiver
Sensitivity (12dB Sinad) ≤0.25μV Wide mode ≤0.35μV Narrow mode
Adjacent Channel Selectivity ≥70dB Wide mode ≥60dB Narrow mode
Intermodulation ≥65dB Wide mode ≥60dB Narrow mode
Spurious Rejection ≥70dB Wide mode ≥70dB Narrow mode
Audio Response +1~-3dB(0.3~3KHz) Wide mode +1~-3dB(0.3~2.55KHz) Narrow mode
Hum & Noise ≥45dB Wide mode ≥40dB Narrow mode
Audio distortion ≤5%
Audio power output ＞ 2W@10%
■Transmitter

Power Output VHF models 60W
Modulation 16KΦF3E Wide mode 11KΦF3E Narrow mode
Adjacent Channel Power ≥70dB Wide mode ≥60dB Narrow mode
Hum & Noise ≥40dB Wide mode ≥36dB Narrow mode
Spurious Emission ≥60dB Wide mode ≥60dB Narrow mode
Audio Response +1~-3dB(0.3~3KHz) Wide mode +1~-3dB(0.3~2.55KHz) Narrow mode
Audio Distortion ≤5%