Item name: 1.2G 1.6W transmitter module Model: SM1313T Power: 1.6W Frequency band: 1120-1360MHz Channel customer: 16<br><br>Channel frequency: A: 1120/1120/1160/1200/1240/1280/1320/1360 (MHz), B: 1120/1120/1160/1200/1258/1280/1320/1360 (MHz) Modulation type: FM Frequency control: PLL Frequency stability: ±100KHz (Typ.) Frequency precision: ±200KHz (Typ.) AN Ratio: -20±7dB S(Fo±3MHz: 70dBc Channel carrier error: 1dB Antenna port resistance: 50 ohms Input signal format: NTSC or PAL Video input level range: 1V±0.2Vp-p type Operating temperature: -10℃-+60℃ RF Output Characteristic: (25℃ There are heat dissipation measures) (Note: The ANT port must be connected to an antenna, and the 1.2G antenna must match and have good contact with the ANT port, otherwise it burn out the PA.) 1. Transmission power micro-power (Tx Power): -13 (Min.), -10dBm (Typ.), -8 (Max.). Test condition: 5V 25MA±30MA 2. Transmission power 25mW (Tx Power): 12 (Min.), 14dBr (Typ.), 17 (Max.). Test condition: 5V 610MA±30MA 3. Transmission power 200mW (Tx Power): 21 (Min.), 23dBm (Typ.), 26 (Max.). Test condition: 5V 640MA±30MA 4. Transmission power 1600mW (Tx Power): 31 (Min.), 32dBm (Typ.), 33 (Max.). Test condition: 5V 800MA±50MA Colour:As Shown Material:PC Size: 28x21x3mm<br><br>Package Contents: 1 x Module(Due to different product batches, the appearance , which does not affect the use)<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.