Antenna connectors are broadly categorized into RF coaxial connectors (mainstream) and other specialized types, adapting to different frequency bands, power levels, and application scenarios. The key is the compatibility between the interface specifications and the device:

I. Mainstream RF Coaxial Connectors (Preferred for High-Frequency Applications)

1. SMA/SMA-JJ: Threaded locking, 50Ω impedance, suitable for high frequencies up to 2GHz, commonly found in routers and LoRa modules (such as Ebyte wireless modules). Waterproof versions (SMA-RP) are used in outdoor equipment.

2. BNC: Snap-fit type, 50/75Ω dual specifications. 50Ω is suitable for walkie-talkies, 75Ω for video surveillance. Low cost but weak shock resistance.

3. N-type: Threaded structure, 50Ω, supports 11GHz frequency band and high power, strong weather resistance, suitable for outdoor base stations and industrial gateways (such as LoRaWAN gateways).

4. TNC: An upgraded version of SMA, threaded locking + anti-rotation, suitable for vibration scenarios (vehicle-mounted, drones), with better high-frequency stability than SMA. 5. RP-SMA: Reversed polarity SMA, avoiding mis-insertion of ordinary SMA, commonly found in consumer-grade wireless devices (routers, network cards).

II. Other Dedicated Connectors

Ebyte MMCX/MCX: Miniature snap-fit connector, suitable for small devices (Bluetooth headsets, wearable sensors), low high-frequency loss but short mating life.

Ebyte F-type: Threaded, 75Ω, primarily for cable TV and satellite reception, stable low-frequency transmission.

Ebyte SMP: Push-in miniature connector, supports blind mating, suitable for high-density RF components (industrial IoT modules).

Selection Key Points

Ebyte Frequency Band Power: High frequency (>6GHz) choose N-type/SMP, high power (>50W) prioritize N-type;
Ebyte Scene Adaptability: Outdoor use choose N-type (waterproof), vibration environment choose TNC, miniature devices choose MMCX;
Ebyte Impedance Matching: RF equipment (communication modules) use 50Ω, video/cable TV use 75Ω, avoid signal reflection.