From 66f39e3ee4fa087452f2e9e130b5ac9a89e320c1 Mon Sep 17 00:00:00 2001 From: Michael Ossmann Date: Sat, 15 Jun 2013 08:34:04 -0700 Subject: [PATCH] transmit power --- Jawbreaker.md | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/Jawbreaker.md b/Jawbreaker.md index 973f7f0..07c6a1c 100644 --- a/Jawbreaker.md +++ b/Jawbreaker.md @@ -23,4 +23,17 @@ If you want to restore the PCB antenna for some reason, you can install a 10 nF ## SMA, not RP-SMA -Some connectors that appear to be SMA are actually RP-SMA. If you connect an RP-SMA antenna to Jawbreaker, it will seem to connect snugly but won't function at all because neither the male nor female side has a center pin. RP-SMA connectors are most common on 2.4 GHz antennas and are popular on Wi-Fi equipment. \ No newline at end of file +Some connectors that appear to be SMA are actually RP-SMA. If you connect an RP-SMA antenna to Jawbreaker, it will seem to connect snugly but won't function at all because neither the male nor female side has a center pin. RP-SMA connectors are most common on 2.4 GHz antennas and are popular on Wi-Fi equipment. + +## Transmit Power + +The maximum TX power varies by operating frequency: +* 30 MHz to 100 MHz: 5 dBm to 15 dBm, increasing as frequency decreases +* 100 MHz to 2300 MHz: 0 dBm to 10 dBm, increasing as frequency decreases +* 2300 MHz to 2700 MHz: 10 dBm to 15 dBm +* 2700 MHz to 4000 MHz: -5 dBm to 5 dBm, increasing as frequency decreases +* 4000 MHz to 6000 MHz: -15 dBm to 0 dBm, increasing as frequency decreases + +Overall, the output power is enough to perform over-the-air experiments at close range or to drive an external amplifier. If you connect an external amplifier, you should also use an external bandpass filter for your operating frequency. + +Before you transmit, know your laws. Jawbreaker has not been tested for compliance with regulations governing transmission of radio signals. You are responsible for using your Jawbreaker legally. \ No newline at end of file