a) Equipped with gain adjustment and band switching functions; b) Equipped with LO (Local Oscillator) lock status detection; c) Equipped with serial communication functionality for querying LO lock status and adjusting gain via serial port commands.

2) Technical Specifications:

No.	Parameter	Specification
1	Input Frequency?	950 ~ 2150 MHz
2	Output Frequency?	10.7 ~ 11.9 GHz 11.55 ~ 12.75 GHz
3	LO Frequency?	9.75 GHz 10.60 GHz
4	IF Input Power?	-10 ± 1 dBm
5	Channel Gain?	10 ~ 40 dB adjustable Step size: 0.5 dB Accuracy: ≤ ±1 dB
6	Max Output Power?	≥ 30 dBm
7	Third-Order Intermodulation (IM3)?	≤ -25 dBc (Conditions: Output 27 dBm, Two-Tone Spacing 2.5 MHz)
8	Spurious Signals?	≤ -60 dBc
9	Phase Noise?	-60 dBc/Hz @ 100 Hz -70 dBc/Hz @ 1 kHz -80 dBc/Hz @ 10 kHz -90 dBc/Hz @ 100 kHz
10	Input/Output VSWR?	≤ 2.0:1
11	External Reference?	Adaptive internal/external reference: Internal Ref:? Stability ±1 ppm External Ref:? 10 MHz, 0 ± 3 dBm
12	Power Supply?	DC 24 V, Current ≤ 1 A
13	Dimensions / Weight?	≤ 200 × 120 × 40 mm, ≤ 1.2 kg
14	Interfaces?	RF Output:? WR75 IF Input:? N-Type (50Ω) Ext. Ref Input:? SMA (50Ω) Power & Control:? RS485 Aviation Connector Serial Port:? RS485
15	Operating Temperature?	-40 ℃ ~ 60 ℃
16	Ingress Protection?	Waterproof, IP68 rating
17	Overall Dimensions?	≤ 235 × 120 × 60 mm