Built-in AMBE+2TM Vocoder HYDX-d21 Cheap Ham Radio Transceiver

HYDX D21

Model No.

D21

Frequency Range

350-400MHz/400-480MHz/136-174MHz

RF Output Power

HI Power≤5W     Low Power≤2W

Channel Spacing

Wide:25Khz   Narrow:12.5Khz

Antenna impedence

50Ω

Operating Temperature

-30℃~+60℃

Operating Voltage

DC7.4V

Battery Type

1600mAh Li-on

Battery Lifespan(5/5/90)

Analog 12Hours/Digital 14Hours

Dimension(excluding antenna)

132(H)*62(W)38(D)mm

Weight(Battery, antenna Included)

About 258g

Digital Protocol

ETSI TS 102361-1.-2.3

Transmitter

Output Power

High≤5W     Low≤2W

 Frequency Stability

 ±2.5PPM

 Modulation Mode

 Analog(FM):11K0F3E

4FSK Digital:12.5KHz; Data Only:7K60FXD

12.5KHz(Data & Audio): 7K60FXW

 Adjacent Channel Power

 ≤-60dB(12.5KHz)       ≤-65dB(25KHz)

 Free Time Slot Power

 TDMA ≤-57dB

 Spurious and Harmonics

 9KHz-1GHz  ≤-36dBm

1GHz-12.75GHz ≤-30dBm

 Digital Audio Encode & Decode

 AMBE+2TM

 Modulation BER(Bit Error Rate/4FSK)

≤5%

 Receiver

Analog Sensitivity

 0.35uV/-116dBm(20dB SINAD)

0.22uV/-120dBm(Typical)

Digital Sensitivity

0.3uV/-117.4dBm(BER 5%)

0.7uV/-110dBm(BER 1%)

 Adjacent Channel Selectivity

TIA603C:60dB(12.5KHz)ETSI: 60dB(12.5KHz )

Spurious Response Anti-interference

TIA 603C:65dB≥65dB(ETSI)

Block

  ≥84dB

Spurious and Harmonics

9KHz-1GHz ≤ -57dBm   1GHz-12.75GHz  ≤-47dBm

Audio Distortion

 ≤3%