SMA Male Right Angle 3dBi Gain Modem External Antenna (3G GSM GPRS NB-IOT Wireless Antenna) 150W These are Metal Film Resistor

These are Metal Film Resistor with a value of 750k ohm 1/4W and tolerance of ±1%

These are Carbon Film Resistor with a value of 680k ohm 1/2W and tolerance of ±5%

Coil end 1 and Coil end 2 are used to trigger ON/OFF the relay

Working Voltage 3V DC Working Current ‚¬°¤12mA Working Frequency 433MHz Transmit power ‚¬°¥10mW Transmission Speed 50-60kHz Frequency Windage ±0

SMA Male Right Angle 3dBi Gain Modem External Antenna (3G GSM GPRS NB-IOT Wireless Antenna) 150W These are Metal Film ResistorIt's a Rubber Duct GSM External Antenna with a height of 5 cm (2 inches). The antenna is relatively small and can be easily connected to the SMA connector. The antenna has a gain of 2 dBi. This GSM External Antenna is wire free, resulting in a durable and trouble free design. It can be used with the following frequencies: 800 900 1800 1900 2010 2025. It also works with 2G and 3G devices, such as GSM, CDMA, WCDMA, EVDO, and TD. Applications Wi Fi WLAN