Environmental Specs

Operating temperature:-30 °C to +60 °C

Storage temperature: -40 °C to +85 °CLEDIEC 61000-4-2 (level 4) ±8 kV (contact ) ±15 kV (air)

Dustproof & Waterproof:IP54 Standard

Humidity: Per MIL-STD-810 C/D/E/F/G Standard

Shock & Vibration: Per MIL-STD-810 C/D/E/F/G Standard

General Data

Frequency range:UHF: 400-470 MHz VHF: 146-174 MHz

Channel capacity:48

Zone capacity: 3

Channel spacing:25/12.5KHz

Operating voltage: 3.7 V

Battery:1500Ah (Li-Ion) 2000Ah (Li-Ion)

Battery service life (5/5/90): Analog: 12/16 hours (1500mAh) Digital:16/22 hours (2000mAh)

Frequency stability: ±0.5 ppm

Antenna impedance: 50 Ω

Dimensions (H×W×D):4.25″ x 2.12″ x 1.14″, 108×54×29mm

Weight: 8 oz. (with AN0435W09 and BL1506)

Display: BD502i has no display, BD552i has single line display

Receiver

Sensitivity (Digital):0.22μV / BER 5%

Sensitivity (digital): 0.22μV (Typical) (12dB SIN AD) 0.4μV (20dB SIN AD)

Adjacent channel selectivityTIA-603: 60dB @ 12.5KHz/70dB @ 25KHz

IntermodulationTIA-603: 65dB @ 12.5/25KHz

Spurious response rejection TIA-603: 70dB @ 12.5/25KHz

Hum & Noise: 40dB @ 12.5KHz 45dB @ 25KHz

Rated Audio Power Output: 0.5W

Rated Audio Distortion: ≤3%

Audio Response: +1 ~ -3dB

Conducted spurious emission: < -57 dBm

Transmitter

RF Power Output: VHF High power: 5W VHF Low power: 1W UHF High power: 4W UHF Low power: 1W

FM Modulation: 11K0F3E @ 12.5KHz 16K0F3E @ 25KHz

4FSK Digital Modulation (Digital Emissions Designator): 12.5 kHz (data only): 7K60FXD 12.5 kHz (voice & data): 7K60FXW

Conducted/Radiated Emission: -36 dBm < 1 GHz -30 dBm > 1 GHz

Modulation limiting: ±2.5 kHz at 12.5 kHz ±5.0 kHz at 25 kHz

FM Hum & Noise: 40 dB at 12.5 kHz 45 dB at 25 kHz

Adjacent channel selectivity: 60 dB at 12.5 kHz 70 dB at 25 kHz

Audio Response: +1 ~ -3dB

Audio Distortion: ≤ 3%

Digital vocoder type: AMBE++