Cell Phone Tower Radiation Detector aims to empower people to measure the cumulative radiation levels in their immediate environment in order to take precautions to minimise their exposure to it.
One thing that is increasing rapidly in India, apart from the population, of course, is the use of cell phones. Today, almost every person has a cell phone, and currently there are nearly 900 million cell phone subscribersand 500,000 cell-phone towers across the country. So, our exposure to EMR (electromagnetic radiation) is also increasing at an alarming rate. The existing number of cell-phone towers might be astonishing, but the major cause for worry are those that are yet to come up—to meet India’s insatiable demand for communications.
Cell Phone Tower Radiation Detector has been designed to quickly detect radiation levels at a given spot, be it your home or office.
The cell tower radiation detector has a planar broadband elliptical monopole antenna. The antenna has been designed to cover the frequency range of 800 MHz to 4 GHz, which covers the CDMA, GSM 900, GSM 1800, 3G, 4G and Wi-Fi/WLAN/Bluetooth bands. The antenna is integrated with the rest of the circuit, which consists of a broadband impedance matching network, a voltage doubler circuit that uses Schottky diodes, and various threshold level testing circuits.
A telescopic extender (monopod) is supplied with this unit to avoid any discomfort in detecting radiation seepage from ceiling or vents located high on the walls. To detect radiation levels at hard-to-reach areas, the telescopic extender should be screwed to the 1/4-20 TPI socket (located at the bottom of the unit).
One needs to hold the device up vertically at the bottom and move around the room to detect the radiation seepage from the walls, ceilings, windows, doors and vents. The device can also be used to continuously monitor and detect radiation levels. The in-built broadband impedance matching network, the voltage doubler circuit that uses Schottky diodes, and the multiple threshold-level testing circuits, work in tandem to detect the radiation level, which is then output to the device’s LEDs as programmed.
The radiation levels are indicated by three LEDs—green, yellow and red. If only the green LED lights up, it indicates a safe level of radiation. If the yellow as well as the green LED light up, it indicates the ‘caution’ level of radiation and, simultaneously, the buzzer starts beeping intermittently. If all three LEDs light up, it implies a dangerous level of radiation and the buzzer will start beeping continuously.
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