Feature: 1. Dual Frequency Band: Support 2400‑2500MHz, 4900‑5900MHz dual frequency band, professional antenna internal design, small and exquisite, easy to install. 2. Stable Signal: This built in antenna uses high quality PCB rigid board, the signal is better and more stable, wide range, durable, and can be used for a long time. 3. IPEX Interface: The internal antenna adopts the 1st generation IPEX interface, which has good oxidation resistance and can be plugged and used multiple times. 4. High Quality Wire: RG1.13 wire, soft and firm, resistant to folding and durable, high density weaved shielding layer oxygen free core, fast and stable transmission. 5. Widely Applicable: This antenna is suitable for data transmission equipment such as wireless monitoring WIFI, for ZIGBEE, BT modules, smart homes, etc. Specification: Item Type: Built In WiFi Antenna Material: PCB Rigid Board Model: NZ-2.4G, 5.8G-PCB-006 Purpose: Signal Stabilization and Gain Antenna Gain: 3dBi Antenna Frequency Band: 2400-2500MHz, 4900-5900MHz Antenna Interface: 1st Generation IPEX Cable Type: RG1.13 Cable Impedance: 50Ω SWR: ≤1.5 Polarization Method: Linear Polarization Scope of Application: Data Transmission Equipment Such as Wireless Monitoring WIFI, for ZIGBEE, BT Module, Smart Home, etc . Package List: 10 x Built in WiFi Antenna