Frequency range

400-520 MHz

Channel capacity

Max 16 ch

Modulation method

12.5KHz（Analog）：11K0F3E

25KHz(Analog)：16K0F3E

Channel spacing

Analog：12.5KHz/25KHz

Antenna impedance

50Ω

Audio output load

16Ω

Working voltage

7.4V (Negative ground)

Working temperature

-30℃～＋60℃

Effective transmitted   power

1W±0.5W / 4.3W±0.5W / 4.3W-5.5W

Frequency stability

±1ppm

Antenna impedance

50Ω

Current consumption

Receive   Stand-by　80　mA   (Analog)

Receive   Stand-by  120　mA (Digital)

Receive max.audio　300　mA (Internal SP)@ Minus the standby current

Transmit current

High power transmit   current：≤1.70　 A

Low power transmit   current：≤1.0 　 A

Dimensions

（227.2*63.3*37.5）mm(including battery antenna) according to the specific model

Weight

302g(including battery antenna) according to the   specific model

In the rain

IP68

Analog sensitivity

                 ≤ -120dBm  @ 12dB SINAD

Noise-on sensitivity

Noise-off sensitivity

  -122±2dB

  -124±2dB

FM noise suppression

                 ≥ 40 dB

Audio response

+2～-8 dB(Relative to 6dB per   frequency range) @ 0.5～2.5KHz

Audio distortion

                 ≤ 5 %

Audio rating

              1W @ degree of distortion 10%

Spurious response immunity

                 ≥ 70dB

Inter-modulation

≥ 60dB

Neighborhood selectivity

≥ 60dB@12.5KHz

Blocking

                 ≥ 84dB

Receiving stray radiation

－57dBm@ < 1GHz，－47dBm @> 1GHz

Receiving sensitivity

         -105dBm@12dB

Frequency   stability

±1ppm

Transmission   power

7.4V   DC

3.8W≤PH ≤5.0W，I≤1.7A

0.5W≤PL≤1.5W，I≤1.0A

Modulation   limit

                ≤2.5KHz@12.5KHz

                ≤5KHz@25KHz

Modulation   sensitivity

8-12mV

Modulation distortion

                     ≤5.0%

frequency   modulation noise

W: ≥ 40dB

N: ≥ 36dB

Transit stray radiation

-36dBm@<1GHz, -30dBm@>1GHz

Adjacent   power

               ≤ -60dB @12.5KHz

               ≤ -65dB @25KHz

Modulation   characteristics

+2～-8 dB(Relative to 6dB per frequency range) @ 0.5～2.5KHz

Inductive power

≥ 0.4W