Table 1.

FSK modulated wireless RF signal characteristics for telemetry frequency ‘0’ and ‘4’ measured through the PBS using custom made wireless receiver, when antenna was placed at 8 cm from the device.

Soak time (days)	Telemetry frequency	RF signal frequency (MHz)	RF signal strength (dBm)
t=0	‘0’	911.2	−57
	‘4’	912.5	−59
t=150	‘0’	910.6	−57
	‘4’	912.5	−57
t=211	‘0’	910.1	−55
	‘4’	911.9	−60
t=276	‘0’	910.1	−59
	‘4’	911.6	−60
t=368	‘0’	909.9	−57
	‘4’	911.5	−62