The G5 Air incorporates high-gain antennas (up to 10dBi*) designed to improve reception of weaker signals. Two TS-9 ports are provided for connecting optional external antennas, significantly enhancing signal quality in low-coverage areas. ~ Technical Specification Network : 5G：n1/2/3/5/7/8/18/20/26/28/38/40/41/48/66/71/75/76/77/78, 4G：B1/2/3/4/5/7/8/18/19/20/26/28/32/34/38/39/40/41/42/43/48/66/71 3G：B1/2/4/5/8 Wi-Fi/WLAN : 802.11b/g/n/a/ac/ax/be（Wi-Fi 7），2.4G 和 5G 雙頻 Connection Number :128 Interface : 1x GE: 10Base-T / 100Base-T / 1000Base-T 1x 2.5GE: 10Base-T / 100Base-T / 1000Base-T/2.5GE Base-T Size: 124 x 70x 185.54 (mm), Weight : about 566g ~ • Return and refund are not accept. • Free shipping to HK/Macau when spending over $500 onwards • China area shipping fee $130 + Local SF Express • Two business day shipping. Sent via SF express • Exchange of defective units purchased in 7 days ~ *Photo for reference only